
JIS G3101 SS400 seamless steel pipe is a Japanese steel mark and is actually a domestic Q235 steel. For foreign standards JIS G3101 SS400 seamless steel pipes are often categorized according to the tensile strength of structural steels, such as SS400 (Japan is so marked), which means 400 sigma B is the lowest grade of 1373 Mpa or b 400 MPa ultra high strength steel. SS400 seamless steel pipe, when the steel yield reaches a certain degree, due to the internal grain rearrangement, the deformation resistance increases again, and the deformation develops very fast, but only when the stress increases to the maximum stress. Since then, the ability of steel to resist deformation has been significantly reduced, and great plastic deformation has occurred at the weakest link. The section of the specimen has rapidly shrunk and necking occurs until the fracture ruptures. The maximum stress before the steel breaks is called strength limit or tensile strength. katalor is a professional distributor of Japanese JIS G3101 SS400 seamless steel tubes. We have first-class products and services for SS400 seamless steel tubes. In addition, we have experienced foreign trade business team and we strictly follow your requirements. If you have any questions, please feel free to contact us.