Metals and alloys

Copper belongs to the group of non-ferrous metals most widely used in industry. Serial number of copper

Composition and structure of aluminum Aluminum is the most common metal in the earth's crust. His

Casting is a product obtained by pouring a liquid alloy into casting molds, in which, after

Reinforcement of slabs, bottoms and other similar structures begins with chalk markings based on the position

GOST 3262 75 applies to galvanized and non-galvanized welded steel pipes without threads and

Metals are most widely represented in the bowels of the earth. All of them, except mercury, are solids,

Steel products used to create building structures experience significant stresses during operation.

1.Carbon steel bolts, screws, socket head screws and studs. For bolts, screws

Hardening defects Hardening defects include: cracks, leads or warping, decarburization. The main cause of cracks

In private houses there are always several utility or technical rooms, where the interior requirements