Submerged arc welding method for high strength Cr-Mo steel A submerged arc welding method for a high strength (2.25%-3%)Cr-3%Mo-V steel, to obtain a weld metal excellent in strength at room temperature and high temperature, toughness, and creep strength, after SR, temper brittleness resistanc...
The structural dimension of arc thread is different from that of traditional triangular thread, so the force situation in rolling process is also quite different.At present, there are few theoretical studies on the rolling forming of arc threads in China, so the production depends on the ...