About A2o performance

About company

ss400 is a marking method of Japanese steel material, and it is a judgment standard, which is equivalent to domestic Q235 steel (also known as A3 steel). Foreign standard structural steels are often classified according to their tensile strength, such as SS400 (as marked in Japan), where 400 means that the minimum value of σb is 400MPa. Ultra-high-strength steel refers to steel with σb≥1373 Mpa.