Seamless steel pipe occupies an important position in the national economy. Maybe friends don’t understand it very well, but it has been widely used in petroleum and chemical industries, bringing great convenience to people’s lives. . Seamless steel pipes are also divided into many categories, a

10# seamless steel pipe mechanical properties:Tensile strength σb (MPa): ≥410 (42) Yield strength σs (MPa): ≥245 (25) elongation δ5 (%): ≥25 shrinkage rate ψ (%): ≥5, hardness: unheated ,≤156HB, sample size: sample size 25mm　　10# Seamless steel pipe instructions　　 Used in various fields such as auto