This group of assortments includes sheets made of various grades of steel. They are used to produce bent profiles and ship hulls, welded pipes and metal structures, heat exchange and chemical equipment, bodies, cars, refrigerators and other products. The use of metal sheets will allow us to find the optimal solution to increase the CMM (metal utilization factor).
There are several types of hot rolled sheets. Thus, according to thickness, they are divided into thin-sheet (0.5...3.9 mm) and thick-sheet (4...160 mm) rolled products. According to the production method, sheets are either cold-rolled or hot-rolled. They are produced in rolls or sheets.
- Hot rolled metal sheets.
- Produced in accordance with GOST 14637-89.
- The assortment is recommended by GOST 19903-74.
- The chemical composition of the metal meets the requirements of GOST 380.
Thick steel (4…160 mm)
Hot-rolled sheets of ordinary quality are produced in rolls (thickness 4...12 mm) and in sheets (4...160 mm). All these products, depending on the condition of the metal, are divided into 6 categories: from 1 to 5 - hot-rolled, 6th - hardened.
- According to rolling accuracy, steel sheets are graded into rolled metal: increased (A) and normal (B) accuracy.
- According to flatness, the division is as follows: especially high (PO), high (PV), normal (PN).
- The nature of the edge divides the sheets as follows: with unedged (NO) and trimmed (O) edges.
Classification by brand
Depending on what the final product is planned, alloys are selected for the manufacture of HA sheets:
- 08ps, 08Yu – low-carbon;
- 09G2, 09G2S, 10HSND, 15HSND, 17GS, 17G1S – low-alloy;
- 10, 15, 20, 30, 40 – quality;
- St1, St2, St3, St4 – carbon;
- 30Х, 40Х, 30ХГСА, 15ХМ – alloyed.
Carbon grades are most often chosen for the production of hot rolled sheets. After producing layers from such steel, they can be used in construction, production of aircraft parts, and mechanical engineering. Other grades are used to create sheet metal used as blanks for other types of rolled metal and hardware.
Thin sheet steel (0.5…3.9 mm)
- Produced in accordance with GOST 16523-97
- The range meets GOST 19903-74
- Chemical composition of metal - GOST 380
Thin sheet steel is produced in sheets (with a trimmed edge) and in rolls (with an unedged or trimmed edge). Standardized characteristics divide it into 5 categories. into strength groups (according to minimum tensile strength (B)). For example, OK is steel of ordinary quality. The number behind the marker shows the value of the tensile strength limit. The surface quality of sheets divides them into the following categories:
- high finishing (III);
- ordinary (IV).
GOST 19903-2015: Hot-rolled sheet steel
Hot rolled sheet steel
Assortment
The standard requirement applies to hot-rolled steel sheets with a width of 500 mm or more, manufactured in sheets with a thickness of 0.5 to 160 mm (Table 1*) and coils with a thickness of 1.2 to 12 mm (Table 2*).
Sheet steel is divided into:
a) according to rolling accuracy:
- increased accuracy - A,
- normal accuracy -B;
b) by flatness:
- especially high flatness - software,
- high flatness - PV,
- improved flatness - PU,
- normal flatness - PN;
c) by the nature of the edge:
- with unedged edge - BUT,
- with cut edge - O;
d) by size:
- indicating the dimensions of thickness, width and length in accordance with the dimensions,
- with indication of thickness dimensions within the limits specified in table 1*, without indication of width and length dimensions - form II;
- indicating dimensions that are multiples of width and length, the dimensions specified in the order, within the limits established in table 1* - form III;
- indicating the measured dimensions, within the limits specified in table 1* - form IV.
By agreement between the consumer and the manufacturer, the width intervals may be less than specified.
Maximum deviations in the thickness of steel supplied in coils and sheets at any measurement point should not exceed the standards specified in tables 3* and 4*.
Maximum deviations in the width of steel with cut edge supplied in rolls should not exceed:
- + 5 mm - for widths from 500 to 1000 mm incl.;
- + 10 mm - with a width of St. 1000 mm.
Maximum deviations in the width of steel with cut edges supplied in sheets should not exceed the standards specified in Table 5.
Table 5
| Steel width mm | Maximum deviations of steel thickness, mm | ||||
| up to 3.9 | St. 3.6 to 12 | St. 12 to 60 | over 60 to 100 | sv100 to 160 | |
| Up to 800 | +6 | — | — | — | — |
| St. 800 | +10 | — | — | — | — |
| Up to 1500 | — | +10 | — | — | — |
| St. 1500 | — | +15 | — | — | — |
| All widths | — | — | +25 | +50 | +75 |
Maximum deviations in the width of sheet steel, rolled in sheets and supplied with uncut edges, should not exceed by more than 50 mm the maximum width specified in Table 5.
Maximum deviations in the width of steel rolled on continuous mills and supplied with uncut edges must not exceed:
- + 20 mm - for widths up to 1000 mm;
- + 30 mm - for widths over 1000 mm.
Maximum deviations along the length of sheet-rolled steel should not exceed the standards specified in Table 6.
Table 6
| Steel length mm | Maximum deviations along the steel length, mm. | ||||
| up to 3.9 | St.3.9 to 16 | St. 16 to 60 | over 60 to 100 | over 100 to 160 | |
| Up to 15000 | + 10 | — | — | — | — |
| St. 1500 | + 15 | — | — | — | — |
| Until 2000 | — | + 10 | — | — | — |
| St. 2000 to 6000 | — | + 25 | — | — | — |
| St. 6000 | — | +35 | — | — | — |
| Up to 3000 | — | — | + 15 | — | — |
| St.3000 to 6000 | — | — | + 25 | — | — |
| St. 6000 | — | — | +40 | — | — |
| All lengths | — | — | — | + 50 | — |
| All lengths | — | — | — | — | + 75 |
Maximum deviations along the length of steel rolled on continuous mills and cut into sheets should not exceed the standards specified in Table 7.
Table 7
| Steel length mm | Maximum deviations along the length of steel with thickness, mm. | |
| up to 3.9 | St. 3.9 | |
| Up to 1500 | + 15 | — |
| St. 1500 | + 20 | — |
| Up to 3000 | — | Up to 3000 |
| St. 3000 | — | + 25 |
Deviation from flatness per 1 m length of steel supplied in sheets should not exceed the standards specified in Table 8.
Table 8
| Type of flatness | Deviation from flatness with steel thickness, mm | ||
| 0,5 — 1,4 | 1,5 — 3,9 | 4.0 and above | |
| Particularly high | 8 | 8 | 5 |
| High | 10 | 10 | 8 |
| Improved | 15 | 12 | 10 |
| Normal | 20 | 15 | 12 |
The crescent shape of steel supplied in coils should not exceed 10mm over a length of 3m.
Steel supplied in edge-cut sheets must be cut square. The oblique cut and crescent shape should not take the sheet beyond the nominal size.
When delivering steel in sheets and coils with uncut edges, tears and other defects (if any on the edges) should not exceed half of the maximum deviations in width and lead the sheets beyond the nominal width size specified in the order.
Steel supplied in coils must not have twisted or crumpled ends.
Curved edges at an angle of no more than 90 degrees are allowed in some places.
The telescopicity of steel supplied in coils should not exceed the standards specified in Table 9.
Table 9
| Steel thickness mm | Steel width mm | Roll telescopicity mm |
| Up to 2.5 | Up to 800 St. 800 | 50 100 |
| St. 2.5 | Up to 800 St. 800 | 35 70 |
The excess of one internal or external turn above the surface of the roll end is not telescopic.
A loose fit of the two outer turns of the roll is not a defective sign.
Steel thickness is measured:
a) on sheets - at a distance of at least 100 mm from the end and 40 mm from the edges;
b) on rolls - at a distance of at least 40 mm from the edges and 2 m from the end of the roll.
The width of steel supplied in coils is measured at a distance of at least 2 m from the end of the coil. Partial width ends should not exceed the width of the roll.
The deviation from the flatness of steel supplied in sheets is determined by the maximum deflection between the surface and a meter ruler applied to it in any direction.
Steel supplied in coils may consist of no more than two pieces (separate or welded together). The ratio of the lengths of the pieces in one roll should not be less than 1/5. The internal diameter of steel supplied in coils must be no less than 650 mm and no more than 1000 mm, and the weight of a sheet steel coil must not be more than 20 tons.
* - tables 1-4
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Low alloy hot rolled sheet
- Complies with GOST 19281-89.
- The chemical composition meets the same standard.
- Depending on the type of product, the edges, ends and surface of these sheets are manufactured in accordance with GOST 14637-89.
The thickness of such metal products ranges from 4...60 mm. For its manufacture, steel grades are used: 09G2S, I09G2, 09G2S-12, 17G1S, 17G1SU, 10HSND.
Low alloy steel sheets are used for welded, bolted and riveted connections. Moreover, they do not require additional heat treatment.
Structural quality hot rolled sheet
- Thick sheet steel (4…160 mm)
- Produced in accordance with GOST 1577-93.
- The chemical composition meets the requirements:
- GOST 1050-88 (high-quality carbon structural steel);
- GOST 4543-71 (alloyed structural);
- GOST 14959 (alloy and carbon spring).
By type of product, the assortment is divided into sheets with cut edges and rolls with cut and uncut edges.
Standardized characteristics divide this group of metal into 3 categories:
- - in chemistry composition (1);
- - by hardness and chemical composition (2);
- - on mechanical properties, hardness and chemical properties. composition (3).
The last category includes strips and rolled products thinner than 80 mm. Plate steel of this thickness is produced without heat treatment or with it (marked with the letter “T”). Depending on the annealing temperature, these sheets can be highly tempered, annealed and normalized.
Based on steel grade and thickness, this type of assortment is divided into:
- Sheets 4…160 mm thick. For their manufacture, high-quality carbon structural steel is used, grades St08(kp, ps), St15(kp, ps), St10(kp, ps), St20(kp, ps), St25, St35, St30, St40, St45.
- Thickness 4...80 are made from:
- high-quality carbon structural steel grades St60, St55 and St50;
- alloy and carbon spring steel 65, 70, 65G, 60G, 70G;
- structural alloy steel 15G, 20G, 40G, 50G, 30G, 10G2, 35G2, 30Х, 38ХА, 20Х, 40Х, 45Х.
Steel sheets (sheet steel)
Hot rolled sheet steel. GOST 19903-74
Hot-rolled steel sheets with a width of 500 mm or more, manufactured in sheets with a thickness of 0.40 to 160 mm and rolls with a thickness of 1.2 to 12 mm.
Sheet steel is divided into: a
in terms of rolling accuracy for thicknesses up to 12 mm:
- increased accuracy - A,
- normal accuracy - B;
by flatness:
- especially high flatness - software,
- high flatness - PV,
- improved flatness - PU,
- normal flatness - PN;
by the nature of the edge:
- with unedged edge - BUT,
- with cut edge - O;
by size:
Maximum deviations in the width of steel sheets with trimmed edges supplied in rolls must not exceed:
- +2 mm - with a width from 500 to 1000 mm;
- +5 mm - with a width of St. 1000 to 1600 mm;
- +7 mm - with a width of St. 1600 mm.
with cut edge supplied in sheets must not exceed:
- +6 mm - with a width of up to 800 mm;
- +10 mm - with a width of St. 800 mm.
with uncut edges should not exceed +20 mm.
Maximum deviations along the length of a steel sheet rolled sheet by sheet must not exceed:
- +10 mm - for sheet lengths up to 1500 mm;
- +15 mm - with a sheet length of St. 1500 mm.
on continuous mills and cut into sheets, should not exceed:
- +15 mm - for sheet lengths up to 1500 mm;
- +10 mm - at the consumer’s request;
- +20 mm - for sheet lengths over 1500 to 3000 mm;
- +25 mm - for sheet lengths over 3000 mm.
At the request of the consumer, steel sheets are manufactured with the following maximum deviations in length:
- +5 mm - for sheet lengths up to 1500 mm;
- +6 mm - with a sheet length of St. 1500 to 2000 mm;
- +10 mm - with a sheet length of St. 2000 to 3000 mm;
- +20 mm - with a sheet length of St. 3000 mm.
Rolled products supplied in steel sheets with cut edges must be cut at right angles. The oblique cut and crescent shape should not take the steel sheets beyond the nominal size.
Weight per square meter of steel sheet ( GOST 19903-74 and 19904-90 )
| Sheet thickness S, mm | Weight of 1m2 sheet, kg |
| 0,5 | 3,925 |
| 0,6 | 4,710 |
| 0,7 | 5,495 |
| 0,8 | 6,280 |
| 0,9 | 7,065 |
| 1,0 | 7,850 |
| 1,2 | 9,420 |
| 1,4 | 10,990 |
| 1,5 | 11,775 |
| 1,7 | 13,345 |
| 1,8 | 14,130 |
| 1,9 | 14,915 |
| 2,0 | 15,700 |
| 2,5 | 19,625 |
| 3,0 | 23,550 |
| 3,5 | 27,475 |
| 3,5 | 27,475 |
| 5,0 | 39,250 |
| 6,0 | 47,100 |
| 7,0 | 54,950 |
| 8,0 | 62,800 |
| 9,0 | 70,650 |
| 10,0 | 78,500 |
| 12,0 | 94,200 |
| 14,0 | 109,900 |
| 16,0 | 125,600 |
| 18,0 | 141,300 |
| 20,0 | 157,000 |
| 22,0 | 172,700 |
| 25,0 | 196,250 |
| 30,0 | 235,500 |
| 35,0 | 274,750 |
| 40,0 | 314,000 |
| 45,0 | 353,250 |
| 50,0 | 392,500 |
| 55,0 | 431,750 |
| 60,0 | 471,000 |
| 65,0 | 510,250 |
| 70,0 | 549,500 |
| 75,0 | 588,750 |
| 80,0 | 628,000 |
| 90,0 | 706,500 |
| 100,0 | 785,000 |
| 110,0 | 863,500 |
| 120,0 | 942,000 |
| 130,0 | 1020,500 |
| 140,0 | 1099,000 |
| 150,0 | 1177,500 |
| 160,0 | 1256,000 |
| 170,0 | 1334,500 |
| 180,0 | 1413,000 |
| 190,0 | 1491,500 |
| 200,0 | 1570,000 |
Rolled thick sheets of carbon steel of ordinary quality. GOST 14637
Rolled products are produced in the form of sheets and rolls from steel sheet GOST 14637 grades St0, St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St3Gps, St3Gsp, St4ps, St4sp, St5ps, St5sp, St5Gps in accordance with GOST 380.
Depending on the standardized characteristics, steel sheets are divided into categories: 1, 2, 3, 4, 5, 6. To designate a category, a category number is added to the brand designation, for example: St3ps1, St4sp3.
Steel sheets are made in thickness: 4-160 mm - sheets; 4-12 mm - rolls.
| Category | steel grade |
| 1 | St0, St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St5ps, St5sp, St5Gps |
| 2 | St2kp, St2ps, St2sp, St3kp, St3ps, St3sp, St3ps, St3sp, St5Gps |
| 3 | St3kp, St3ps, St3sp, St3Gps, St3Gsp, St4ps, St4sp |
| 4 | St3ps, St3sp, St3Gps, St3Gsp |
| 5 | St3ps, St3sp, St3Gps, St3Gsp |
| 6 | St3ps, St3sp, St3Gps, St3Gsp |
Sheet steel of categories 1 - 5 is produced in a hot-rolled state, category 6 - in a hardened state. To ensure the required properties of rolled products of all categories, heat treatment can be used. It is allowed to produce steel sheets of categories 1 - 5 in a state strengthened by rolling heating or after controlled rolling.
Rolled thin sheets of carbon steel of high quality and ordinary quality for general purposes. GOST 16523
Thin-sheet hot-rolled and cold-rolled carbon steel of high-quality and ordinary quality for general purpose, manufactured with a width of 500 mm or more, thickness up to 3.9 mm inclusive.
Sheet steel is divided into:
- by production method: hot rolled, cold rolled;
- by type of product: sheets, rolls;
- according to the minimum value of tensile strength (B) for strength groups: K260V, K270V, OK300V, K310V, K330V, K350V, OK360V, OK370V (for the production of welded cylinders for liquefied hydrocarbon gases at pressures up to 1.6 MPa), K390V, OK400V, K490V ;
- according to standardized characteristics into categories: 1, 2, 3, 4, 5, 6;
- according to the quality of surface finishing into groups: o cold-rolled steel sheet: especially high finishing - I (at the request of the consumer), high finishing - II, high finishing - III (IlIa, III6); hot-rolled steel sheet: advanced finishing - III, regular finishing - IV;
- according to the ability to draw (cold-rolled steel sheet up to 2 mm thick, strength groups: K260V, K270V, K310V, K330V, K350V): deep - G, normal - N.
In terms of assortment, the steel sheet must meet the requirements of GOST 19903 (hot rolled), GOST 19904 (cold rolled).
Steel grades used and chemical composition requirements
| Strength group | Steel grades | Mass fraction of elements and maximum deviations, % |
| K260V K270V K310V K330V K350V K390V K490V | 08kp 08ps, 08, 10kp, 10ps, 10 15kp, 15ps 15, 20kp 20ps, 20 25,30 35, 40, 45, 50 | According to GOST 1050 For rolled steel grades 08kp and 08ps, the lower limit of the mass fraction of carbon and silicon is not limited |
| OK300V OK360V OK370V OK400V | St1, St2 (all degrees of deoxidation) St3 (all degrees of deoxidation) St3ps, St3sp St4 (all degrees of deoxidation) St5ps, St5sp | According to GOST 380, the mass fraction of chromium, nickel and copper is standardized at the request of the consumer. The lower limit of the mass fraction of carbon is not limited. For rolled steel with grade numbers 3, 4, 5 (all degrees of deoxidation), a reduction in the mass fraction of manganese by 0.10% is allowed. When deoxidizing semi-quiet steel with aluminum, titanium or other deoxidizing agents that do not contain silicon, as well as several deoxidizing agents (ferrosilicon and aluminum, ferrosilicon and titanium, etc.), the mass fraction of silicon in the steel is allowed less than 0.05%. In this case, the mass fraction of aluminum is allowed up to 0.07%. Deoxidation with titanium, aluminum and other deoxidizing agents that do not contain silicon is indicated in the quality document |
Rolled thin sheets of high strength steel. GOST 17066
Thin-sheet hot-rolled and cold-rolled products with a thickness of 0.5 to 3.9 mm, a width of at least 500 mm from high-strength steel, manufactured in sheets and rolls.
Steel sheets are produced in strength classes 295, 315, 345, 355, 390. In shape, size and maximum deviations, hot-rolled steel sheets must comply with the requirements of GOST 19903 , cold-rolled steel sheets - GOST 19904.
The degree of accuracy of the steel sheet in size, flatness, and curvature within the limits provided for in the product range standards is indicated by the consumer in the order. If there are no requirements in the order, the manufacturing accuracy is determined by the manufacturer.
Examples of symbols:
Hot-rolled thin-sheet products, increased rolling accuracy (A), normal flatness (PN), with cut edge (O), size 3x1000x2000 mm according to GOST 19903-74 , strength class 315, made of steel grade 12GS: A - PN - O - 3x1000x2000 GOST 19903 - 74 Sheet: 315 - 12GS - GOST 17066-94
Hot rolled rolled products, normal rolling accuracy (B), with cut edge (O), size 2x1000 mm according to GOST 19903 -74, strength class 345:B - O - 2x1000 GOST 19903 -74 Roll: 345 - GOST 17066-94
Steel grades included in strength groups
| Strength group | Steel grades |
| 295 | 09G2, 09G2D |
| 315 | 14G2, 12GS, 16GS |
| 345 | 09G2S, 09G2SD, 10G2S1, 10G2S1D, 15HSND, 10KHNDP |
| 350 | 17GS, 15GF |
| 390 | 10HSND |
Rolled products for bridge construction
Rolled thick sheets for the manufacture of bridge structures are produced from steel grades 10ХСНД and 15ХСНД in accordance with GOST 6713-91 and TU 14-1-5120-92.
| steel grade | Mass fraction of elements, % | |||||||
| C | Si | Mn | Cr | Cu | Ni | P(max) | S(max) | |
| 15HSND | 0,12-0,18 | 0,40-0,70 | 0,40-0,70 | 0,60-0,90 | 0,30-0,60 | 0,20-0,40 | 0,035 | 0,035 |
| 10HSND | up to 0.12 | 0,80-1,10 | 0,50-0,80 | 0,60-0,90 | 0,50-0,80 | 0,40-0,60 | 0,035 | 0,035 |
Steel sheets for bridge construction, supplied according to TU 14-1-5120-92, are divided into:
- by thickness: VT - high, AT - increased;
- by flatness: PO - especially high, PV - high;
- in width: AS - increased, BS - normal;
- according to sickle shape: SP - reduced, CH - normal;
- according to the location of the tolerance field: double-sided with a variable lower limit deviation, numerically exceeding the upper limit deviation, double-sided with a constant lower limit deviation equal to minus 0.3 mm, symmetrical.
Rolled products from low-alloy steel grades 17GS, 17G1S
The steel sheet is used for the manufacture of electric-welded straight-seam gas pipes.
| steel grade | Mass fraction of elements, % | |||||||
| C | Si | Mn | Cr(max) | Cu (max) | Ni (max) | P(max) | S(max) | |
| 17GS | 0,15-0,20 | 0,4-0,6 | 1,0-1,4 | 0,3 | 0,3 | 0,3 | 0,035 | 0,035 |
| 17G1S | 0,15-0,20 | 0,4-0,6 | 1,15-1,55 | 0,3 | 0,3 | 0,3 | 0,035 | 0,035 |
| 17G1S-U | 0,15-0,20 | 0,4-0,6 | 1,15-1,55 | 0,3 | 0,1 | 0,07 | 0,02 | 0,025 |
Rolled products from low-alloy steel grade 22ГУ
With low carbon content, designed for the production of straight-seam electric-welded casing pipes.
| steel grade | Mass fraction of elements, % | |||||||||
| C | Si | Mn | Cr(max) | Al | Ti (max) | N(max) | Ca (max) | P(max) | S(max) | |
| 22GYU | 0,15-0,22 | 0,15-0,30 | 1,20-1,40 | 0,4 | 0,02-0,05 | 0,03 | 0,012 | 0,02 | 0,02 | 0,01 |
Rolled sheet metal for boilers and pressure vessels
Rolled sheets of carbon and low-alloy steel are produced with a thickness of 8 to 40 mm, in hot-rolled and heat-treated condition.
The steel sheet is suitable for welding and is intended for the manufacture of parts and components of boilers and vessels operating under pressure at room, elevated and reduced temperatures in accordance with GOST 5520-79.
The purpose and conditions of use of steel sheets intended for boiler inspection facilities are regulated by the rules established by the bodies of the Gosgortekhnadzor of Russia.
| steel grade | Mass fraction of elements, % | ||||
| C | Si | Mn | P(max) | S(max) | |
| 20K | 0,16-0,24 | 0,15-0,30 | 0,35-0,65 | 0,04 | 0,04 |
| 09G2S | no more than 0.12 | 0,5-0,8 | 1,3-1,7 | 0,035 | 0,04 |
Cold rolled sheets GOST 19904-90
This standard applies to cold-rolled sheets with a width of 500 mm or more, manufactured in sheets with a thickness of 0.35 to 5.00 mm, and rolls with a thickness of 0.35 to 3.50 mm.
Steel sheet is divided into:
According to manufacturing accuracy:
by thickness:
- VT - high,
- AT - increased,
- VT-normal;
in width:
- VSH - high,
- AS - increased,
- BS-normal (rolled sheets);
by lenght:
- (rolled sheets, except rolled sheets) VD-high,
- BP - increased,
- BD - normal;
by flatness (rolled sheets):
- PO - especially high,
- PV - high,
- PU - improved,
- PN - normal;
by the nature of the edge:
- O - edged,
- BUT - unedged.
Cold-rolled thin sheets of low-carbon high-quality steel for cold stamping. GOST 9045
Thin-sheet cold-rolled products from low-carbon high-quality steel with a thickness of 0.5 - 3 mm, produced in sheets and rolls, are intended for cold stamping.
Steel sheet is divided into:
drawing ability into four categories:
- VOSV is a very complex hood;
- OSV is a particularly complex hood;
- SV - complex hood;
- VG - very deep drawing;
according to the quality of surface finishing into three groups:
- especially high finish - I;
- high finish - II;
- advanced finishing - III;
according to surface condition:
- glossy - ch;
- matte - m;
- advanced finishing - III;
according to rolling accuracy:
- increased accuracy - P;
- usual accuracy - O.
An example of a symbol: a sheet of steel 08Yu, 1.0 mm thick, 1000 mm wide, 2000 mm long, increased precision, especially high surface finish, matte surface, especially complex drawing:
Sheet II - 1.0x1000x2000 GOST 19904-74 1 - m - OSV - 08YU GOST 9045-80
Thick sheet steel is corrosion-resistant, heat-resistant and heat-resistant. GOST 7350
Thick-plate, hot-rolled and cold-rolled corrosion-resistant, heat-resistant and heat-resistant stainless steel , manufactured in sheets. Hot-rolled plate steel is made with a thickness of 4 to 50 mm, cold-rolled steel with a thickness of 4 to 5 mm.
Steel sheets are produced in the following grades: 20Х13, 09Х16Н4Б, 12Х13, 14Х17Н2, 08Х13, 12Х17, 08Х17Т, 15Х25Т, 07Х16Н6, 09Х17Н7У, 08Х22Н6Т, 12Х21Н5Т, 08Х21Н6М2Т, 20Х23Н13, 08Х18Г8Н2Т, 15Х18Н12С4ТУ, 10Х14Г14Н4Т, l2X17G9AN4, 08Х17Н13М2Т, 10Х17Н13М2Т, 10Х17H13М3Т, 08Х17Н15М3Т, 12Х18Н9, 17Х18Н9, 12Х18Н9Т, 04Х18Н10, 08Х18Н10, 08Х18Н10Т, 12Х18Н10Т, 08Х18Н12Т, 12Х18Н12Т, 08Х18Н12Б, 03Х21Н21М4ГБ, 03Х22Н 6M2, 03Х23Н6, 20Х23Н18, 12Х25Н16G7AR, 06ХН28МДТ, 03ХН28МДТ, 15Х5М
Thick-sheet corrosion-resistant, heat-resistant and heat-resistant steel is divided into:
According to the condition of the material and the quality of the surface into groups:
- cold-rolled hard-worked - H1,
- cold-rolled semi-hardened - PN1,
- cold rolled, heat treated,
- etched or after bright annealing - M2a, M3a, M4a, M5a,
- cold-rolled heat-treated - M5v,
- hot rolled, heat treated,
- etched or after bright annealing - M2b, M3b, M4b, M5b,
- hot-rolled, heat-treated, unetched - M5g,
- hot rolled without heat treatment and unetched - 5d;
According to rolling accuracy:
- increased accuracy - A,
- o normal accuracy - B;
By type of edges:
- edged - Oh,
- unedged - BUT;
According to the non-flatness of sheets with a temporary resistance of 690 N/sq.mm or less by:
- especially high flatness - PO;
- high flatness - PV,
- improved flatness - PU,
- normal flatness - PN.
It is allowed to produce steel sheets with a rolling accuracy higher than specified in the order.
Thin sheet steel is corrosion-resistant, heat-resistant and heat-resistant. GOST 5582
Thin-sheet, hot-rolled and cold-rolled corrosion-resistant, heat-resistant and heat-resistant stainless steel , manufactured in sheets. Hot-rolled thin-sheet steel is made with a thickness from 1.5 to 3.9 mm, cold-rolled from 0.7 to 3.9 mm.
The sheet is produced in the following grades: 11Х11Н2В2МФ, 16Х11Н2В2МФ, 20Х13, 30Х13, 40Х13, 09Х16Н4Б, 12Х13, 14Х17Н2, 08Х13, 12Х17, 08Х17Т, 08Х18Тч, 08Х18Т1, 1 5Х25Т, 15Х28, 20Х13Н4Г9, 09Х15Н8У, 07Х16Н6, 08Х17Н5М3, 20Х20Н14С2, 08Х22Н6Т, 12Х21Н5Т, 08Х21Н6М2Т , 20Х23Н13, 15Х18Н12С4ТУ, 10Х11Н20Т2Р, 10Х13Г18Д, 10Х14Г14Н4Т, 10Х14AG15, 12Х17Г9АN4, 03Х17Н14М3, 10Х17Н13М2Т, 10Х17Н13М3Т, 0 8Х17Н15М3Т, 12Х18Н9, 17Х18Н9, 08Х18Н10, 08Х18Н10Т, 12Х18Н10Т, 12Х18Н10Э, 03Х18Н11, 03Х18Н12-VI, 08Х18Н12Т, 08Х18Н12Б, 03Х21Н21 M4GB, 20Х23Н18, 20Х25Н20С2 , 12Х25Н16Г7AR, 06ХН28МТ, 06ХН28МДТ
Thin-sheet corrosion-resistant, heat-resistant and heat-resistant steel is divided into:
According to the condition of the material and the quality of the surface into groups:
- cold-rolled hard-worked - H1,
- cold-rolled semi-hardened - PN1,
- cold rolled, heat treated (soft),
- etched or after bright annealing - M2a, M3a, M4a,
- cold-rolled, heat-treated (soft) - M4v,
- hot-rolled, heat-treated (soft),
- etched or after bright annealing - M2b, M3b, M4b,
- hot-rolled, heat-treated (soft) - M4g;
According to rolling accuracy:
- increased accuracy - A,
- normal accuracy - B;
By type of edges:
- edged - Oh,
- unedged - BUT;
According to the non-flatness of sheets with a temporary resistance of 690 N/sq.mm or less by:
- especially high flatness - PO;
- high flatness - PV,
- improved flatness - PU,
- normal flatness - PN.
Hot-rolled two-layer corrosion-resistant sheet steel. GOST 10885
Hot-rolled two-layer corrosion-resistant sheets with a main layer of carbon or low-alloy steel and a cladding layer of corrosion-resistant steels and alloys, nickel and monel metal.
Steel sheet is divided into:
According to the thickness of the corrosion-resistant layer:
- normal
- increased - K
According to the continuity of adhesion of layers, classes 1 - 4. Double-layer steel sheets are made from combinations of steel grades of the main and cladding layers, indicated in the table with the “+” sign.
| VSt3sp | 10 | 20K | 09G2 | 16GS | 09G2S | 10HSND | 10ХГСН1Д | 12MH | 12ХМ | 10Х2М1 | |
| 08Х13 | + | — | + | + | + | + | — | — | + | + | — |
| 08Х17Т | + | — | + | — | — | — | — | — | — | — | — |
| 115Х25Т | + | — | + | — | — | — | — | — | — | — | — |
| 08Х18Н10Т | _ | — | + | — | + | + | + | — | + | + | + |
| 12Х18Н10Т | + | — | + | + | + | + | + | + | + | + | — |
| 10Х17Н13М2Т | + | — | + | — | + | + | — | — | — | — | — |
| 10Х17Н13М3Т | + | — | + | — | + | + | — | — | — | — | — |
| 08Х17Н15М3Т | + | — | + | — | + | — | — | — | — | — | — |
| 08Х22Н6Т | + | — | + | — | — | — | — | — | — | — | — |
| 06ХН28МДТ | + | — | + | — | + | — | — | — | — | — | — |
| ХН65МВ | — | — | — | — | + | — | — | — | — | — | — |
| N70MFV-VI | — | — | — | — | + | — | — | — | — | — | — |
| NMZHMts 28-2.5-1.5 | + | — | — | — | — | — | — | — | — | — | — |
| Nickel NP-2 | + | + | — | — | — | — | — | — | — | — | — |
Example: Sheet 8x1500x6000 GOST 10885 (VSt3sp2+12X18N10T)-K
Galvanized thin sheet steel (GOST 14918-80)
This standard applies to sheet and coil cold-rolled steel, hot-dip galvanized in continuous galvanizing units, intended for cold profiling, for painting, production of stamped parts, utensils, containers and other metal products.
The technical level indicators established by this standard meet the requirements of the highest and first quality categories.
Subdivided:
Assigned to groups:
- for cold stamping - ХШ,
- for cold profiling - HP,
- for painting (trained) - PC,
- general purpose - OH;
According to the ability to draw (steel group XSh) into categories:
- normal hood - N,
- deep drawing - G,
- very deep drawing - VG;
According to the uniformity of the thickness of the zinc coating:
- with normal thickness variation - HP,
- with reduced thickness variation - UR.
By agreement between the consumer and the manufacturer, galvanized steel can be produced:
- with crystallization pattern - KR,
- without a crystallization pattern - MT.
Depending on the thickness of the coating, galvanized steel sheet is divided into 3 classes:
| Thickness class | Weight of 1m2 coating layer applied on both sides, g | Coating thickness, microns |
| P (increased) | over 570 to 855 inclusive | over 40 to 60 inclusive |
| 1 | over 258 to 570 inclusive | over 18 to 40 incl. |
| 2 | from 142.5 to 258 inclusive | from 10 to 18 inclusive. |
Galvanized steel sheet is made with a width from 710 to 1800 mm inclusive, a thickness from 0.5 to 2.5 mm inclusive from carbon cold-rolled steel coils. For galvanizing, zinc grades Ts0 and Ts1 are used with the addition of aluminum, lead and other metals to the bath. Alloying with lead through the introduction of zinc grade Ts2 is allowed. To protect the surface from corrosion, preservation is carried out: passivation, oiling or passivation and oiling. At the request of the consumer, galvanized steel sheets are not preserved.
Example of a symbol: galvanized coiled steel 1.2 thick, 1000 mm wide, increased rolling accuracy A, with cut edge O, grade 08kp, very deep drawing VG, without crystallization pattern MT, with reduced thickness variation UR, second class coating according to GOST 14918 -80:
OTs A - O - 1.2x1000 GOST 19904-74 08kp VG - MT - UR - 2 GOST 14918-80
Thin sheet steel (up to 3.9 mm)
- Produced in accordance with GOST 1577-93.
- The assortment is determined by GOST 19903-74.
- Chem. the composition complies with GOST 1050-88.
Based on the quality of finishing, such rolled metal is divided into the following groups: advanced (III) and regular (IV) finishing.
Strength groups are determined by the minimum value of tensile strength (B). For example, marking K260V means: a sheet is made of high-quality steel (K), the lower limit of tensile strength of which is 260. Thin-sheet sheets are produced from the following steel grades: 08 (kp, ps), 10 (kp, ps), St20 (kp, ps ), St25, 15(kp, ps), St30, St45, St35, St40. The sheets are heat treated and manufactured with unetched or etched surfaces. The edge can be either edged (in sheets), or unedged or edged (in rolls).
