Executive standard: GB6479-2000, ASTMDINJIS
Grades and grades: 20#16Mn, 15CrMo,12CrMo, 12Cr2Mo, etc.
Structural seamless steel pipe GB/T8162-2008 is mainly used for general structure and mechanical processing. Its representative materials (grades): carbon steel 20 #, 45 steel; alloy steel Q345, 20Cr, 40Cr, 20CrMo, 30-35CrMo, 42CrMo and so on.
Structural stainless steel seamless pipe (GB/T14975-2002) is used throughout the chemical, petroleum, textile, medical, food, machinery and other industries, erosion-resistant piping and structural components and parts of the stainless steel made of hot-rolled (extrusion, expansion) and cold-drawn (rolled) seamless pipe.
Structural steel pipe is a kind of seamless steel pipe species which is classified due to its different uses. ☆ Calculation of structural steel pipe ☆
Calculation of structural steel pipe: (OD - wall thickness) * wall thickness * 0.02466 = weight of steel pipe per meter,