基本信息
物流方式:快递
商品介绍
Structural seamless steel pipe GB/T8162-2018 is mainly used for general structure and mechanical processing. Its representative material (grade) : carbon steel 20#, 45 steel; Alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo, etc.