Calibrated rolled structural steel with high machinability by cutting GOST 1414-75
Steel U12, U12A - decoding of steel grade, GOST, material characteristics Steel grade - U12,
What real and fake gold hallmarks look like
How to determine the authenticity of gold using iodine, vinegar, ammonia, water
With the advent of new technologies and cheaper materials, it has become increasingly difficult to produce fake jewelry from “gold.”
Product made from tombak
Jewelry alloys: cupronickel, nickel silver, alpaca, Tibetan silver, tombac, brass
What is brass? The main components of brass alloy are copper and zinc. The proportional components of these
Details about what needs to be checked on a bench vise
On the market of specialized tools nowadays there are both cast iron bench vices and
Map of copper deposits in the world
Copper mining technologies and its place in modern industry
Deposits on the world map The largest ore reserves are located in Chile - 34% of
alloy containing copper and tin
What is bronze: types of alloy, composition and properties
Bronze is an alloy of copper with tin, aluminum, lead, silicon and beryllium. Part
Material processing
Differences between copper and brass and bronze, their characteristics
Copper and bronze, also known as "red metals", look similar at first glance, but
The main types of heat treatment of steel: annealing, hardening, tempering and normalization
Heat treatment of metals is a process that allows metal in a solid state to be treated by exposure to
Silver Density
Table of silver density depending on the sample + how to determine the alloy by density
Silver is the most common precious metal. It has a white color and quite high ductility,
Characteristics of welding gaiters and protective equipment for welders
Carrying out any welding work involves the use of special clothing by the performers that is resistant to flame, high
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