After-sales Service: | Online Technical Support |
---|---|
Warranty: | 1 Year |
Type: | Plate/Round |
Standard: | ASTM, AISI, GB, JIS, DIN, BS |
Certification: | ISO, RoHS |
Surface Treatment: | Black/Milled |
Samples: |
---|
Customization: |
---|
Suppliers with verified business licenses
Alloy Steel Flat 4340 Milled Surface 1.6511 Forged SNCM439
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
Suppliers with verified business licenses