Basic knowledge of GBT 8162 10# seamless steel pipe

Chemical composition of GBT 8162 10# seamless steel pipe: carbon C:0.07~0.14, Silicon Si:0.17 ~ 0.37, manganese Mn:0.35 ~ 0.65, sulfur S: less than 0.04, phosphorus P: less than 0.035, chromium Cr: less than 0.15, nickel Ni: less than 0.25, copper Cu: less than 0.25.

Mechanical properties of GBT 8162 10# seamless steel pipe: tensile strength sigma B (MPa): > 410 (42), yield strength sigma S (MPa): > 245 (25), elongation delta 5 (%): > 25, section shrinkage ratio (%): > 5, hardness: non heat treatment, less than 1 56HB, specimen size: specimen size 25mm.

GBT 8162 10# seamless steel pipe heat treatment specification: normalizing, 910 C, air cooling. Metallographic organization: ferrite and pearlite.

GBT 8162 10# seamless steel pipe delivery condition: delivery without heat treatment or with heat treatment (annealing, normalizing or high-temperature tempering). Requirements for heat treatment delivery shall be specified in the contract, and those not specified shall be delivered without heat treatment.

GBT 8162 10# seamless steel pipe use: manufacturing parts with low force and high toughness, such as car body, storage, deep stamping utensils, pipe, gasket and so on, can be used as cold rolling, cold stamping, cold heading, cold bending, hot rolling, etc., and can also be used as carburizing parts with low core strength and carbon nitrogen co impermeable part