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AISI 4140 is a popular direct hardening Cr-Mo alloy steel plate with excellent strength and toughness. It offers greater heat treatment capabilities and wear resistance compared to lower carbon grades like AISI 4130. Widely used in automotive and machinery industries for critical components.
| Material Grade | ASTM A29 / DIN 17200 / BS 970 / JIS G4105 / GB/T 3077 | Standard | ASTM A29 / DIN 17200 / BS 970 / JIS G4105 / GB/T 3077 |
| Thickness Range | 10mm - 100mm | Width Range | 100mm - 3000mm |
| Length Range | As per requirement | MOQ | 1 Ton |
| Lead Time | 7-15 days | Port of Shipment | Shanghai / Tianjin |
| C | 0.38-0.43 | Si | 0.15-0.35 |
| Mn | 0.75-1.00 | P | ≤0.035 |
| S | ≤0.035 | Cr | 0.80-1.10 |
| Mo | 0.15-0.25 | Tensile Strength | ≥655 MPa |
| Yield Strength | ≥415 MPa | Hardness (Brinell) | 197 HB |
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