Metals

What is martensitic stainless steel?  The stainless steel is characterized by stainless steel and corrosion resistance. The mass fraction of chromium is more than 10.5 %. The matrix is martensitic structure and magnetic. The stainless steel whose mechanical properties can ...

What is 40CrNiMoA? 40CrNiMoA round steel, 40CrNiMoA sintered steel, 40CrNiMoA steel, alloy structural steel referred to as sintered steel, 40CrNiMoA is one of the sintered steel, also known as alloy steel, it is based on high-quality carbon structural steel, appropriate addition ...

Study on toughness and fracture cause of steel material There are thousands of varieties of steel material used in various industries. Each steel has a different trade name depending on its properties, chemical composition or alloy type and content. While ...

What is carburizing? Carburizing is a kind of surface heat treatment technology, which points to the heat treatment method of quenching after carburizing atoms on the surface of steel parts. Through the infiltration of carbon, the wear resistance, durability, toughness and other properties ...

Reasonable selection, proper storage and correct use of manufacturing materials are the prerequisite and basis for ensuring the quality of pressure vessels. This article makes some meaningful discussions on the material quality management issues in pressure vessel manufacturing, hoping to ...

What is Q235? Q235 steel is a kind of carbon structural steel. It is equivalent to A3 and C3 steel in the old standard gb700-79, and the Russian toct brand is used. Q in the steel grade represents the yield ...

In the early nuclear power plants, the pipes were mainly made of 304SS and 316SS austenitic stainless steel, and stress corrosion cracking (SCC) often occurred in the cold working area of steel pipes. Transgranular stress corrosion (TGSCC) of welded core shroud ...

Corrosion fatigue is one of the potential failure modes of nuclear power materials in service. The results show that the fatigue life of materials in high temperature and high pressure water environment is significantly decreased in light water reactor (LWR). ...

Effect of titanium on Microstructure and heat treatment of steel ① Titanium has strong affinity with nitrogen, oxygen and carbon. It is a good deoxidizer and an effective element for fixing nitrogen and carbon. ② Titanium and carbon compounds (TIC) ...

China’s iron ore prices scaled a fresh record on Monday as concerns over supply intensified, with stocks of the steelmaking ingredient at the country’s ports shrinking and investors worried about another Brazil mine dam at risk of collapsing. The most-traded ...