Metals and alloys

The provisions of GOST 30242 provide for the division of all existing defects in welding production into six groups. First

Characteristics The presence of carbon in the composition provides good hardness (53–56 Hrc on the Rockwell scale). Chromium

Relatively recently, metal fittings were not just the most common - they were the only

Recently, in parallel with the decrease in the amount of gold mined, the jewelry market has not only

In the history of iron metallurgy there were three revolutionary upheavals that had a profound influence on the entire course of

Bronze powder, by definition, is a fine powder composition. The material is made from two alloys

List of Top Copper Producers 2022 Copper production in the top ten mining companies, by

We all know well from our school chemistry course that copper is red in color, and

The foundation is the foundation of a structure that supports the main load. For this reason it needs to be built

Specific volume is the volume per unit weight of a given substance. Dimension: m 3 / kg Reciprocal value