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 Special Steel 4340 SNCM439 Hot Forged Turned Surface Round Bar 1.6511
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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