GB/T 8162 10# seamless steel pipe use: low strength, high toughness parts, such as body, storage, deep stamping apparatus, pipe, gasket, etc., can be used for cold rolling, cold stamping, cold heading, cold rolling, hot rolling, etc. Also can be used as low core strength and carbon-nitrogen impermeable parts of the Carburizing parts.
The chemical compositions of GB/T 8162 10# seamless steel pipe are: carbon C: 0.07-0.14, Si: 0.17-0.37, manganese Mn: 0.35-0.65, sulfur S is less than 0.04, phosphorus P is less than 0.035, chromium Cr is also less than 0.15 and nickel Ni is less than 0.25, copper Cu is about 0.25.
The mechanical properties of GB/T 8162 10# seamless steel pipe are as follows: 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 is less that 156 HB.The specimen size: sample size is 25 mm.
GB/T 8162 10# seamless steel pipe heat treatment specification: normalizing 910 ℃, air-cooled. Metallographic structure: ferrite and pearlite.
GB/T 8162 10# seamless steel pipe transport conditions: transportation without heat treatment or heat treatment (annealing, normalizing or high temperature tempering). Delivery requirements for heat treatment shall be specified in the contract and unspecified requirements shall be delivered without heat treatment.
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