Gun barrel
- Product Description
- Device Parameters
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- Commodity name: Gun barrel
- Commodity ID: 1123540449957138432
Chemical Composition (m%)
Grade C Yes Mn Cr Mo P S Ni 30CrNiMo8 0.37–0.45 ≤0.40 0.30-0.60 1.80-2.20 0.30-0.50 ≤0.01 ≤0.01 1.80-2.20 Mechanical Property
Grade Tensile Strength Yield Strength Elongation A(%) Reduction Area Z(%) Charpy V-notch impact energy A k (J) at 20℃ Hardness HRC 30CrNiMo8 120-140 kg/mm² 105 kg/mm² ≥9 ≥40 ≥38 37-41
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