After-sales Service: | Online Technical Support |
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Warranty: | 1 Year |
Type: | Plate/Round |
Standard: | ASTM, AISI, GB, JIS, DIN, BS |
Certification: | ISO, RoHS |
Surface Treatment: | Blackface |
Samples: |
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Customization: |
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Alloy Steel 4340 SNCM439 Hot Forged Black Surface 1.6511 Round
Steel Grade | C | Si | Mn | Cr | Ni | Mo | Cu | P | S |
4340 | 0.38~0.43 | 0.15~0.35 | 0.60~0.80 | 0.70~0.90 | 1.65~2.00 | 0.20~0.30 | ≤0.035 | ≤0.040 |
It has high strength, toughness, excellent hardenability and stability against overheating.
Application
Manufacturing important parts with high strength and good plasticity, and manufacturing important parts with special functional requirements after nitriding treatment, such as shafts, gears, fasteners, etc
FAQ
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