GB/T 8162 40Cr seamless steel pipes are widely used for manufacturing structural parts and mechanical parts, such as oil drill pipe, automobile transmission shaft, bicycle frame and steel scaffolding used in building construction.
Grade | C | Si | Mn | Cr | Mo | Ni | W | B | Al | Ti | V |
40Cr | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | 0.80-1.10 |
Grade | Tensile Strength(MPa) | Yield Strength(MPa) | Elongation in 2 in.(50mm) |
40Cr | 980 min | 785 min | 9% min |
UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.
OD: 10.3mm-965.2mm
Wall thickness 1.0mm-120mm
Length: 5-12m
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