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AISI 4140 Alloy Steel Plate
AISI 4140 is a chromium-molybdenum alloy steel known for its high strength, toughness, and good hardenability. It offers higher strength and heat treatment capabilities compared to AISI 4130 but has lower weldability. Commonly used in aerospace, automotive, and heavy machinery applications after quenching and tempering.
ASTM: A29 4140JIS: SCM440DIN: 42CrMo4 / 1.7225GB: 42CrMoBS: EN19
MaterialASTM A29 / GB/T 3077 / JIS G4105 / DIN 17200 / BS 970
Thickness3-4500 mm
Width10-1000 mm
LengthCustomized / 6000-12000 mm
MOQ1 Ton
Lead Time30-45 days
PortShanghai / Tianjin / Qingdao
Response within 24 hours
In Stock — Ready to Ship
| Material Grade | ASTM A29 / GB/T 3077 / JIS G4105 / DIN 17200 / BS 970 | Standard | ASTM A29 / GB/T 3077 / JIS G4105 / DIN 17200 / BS 970 |
| Thickness Range | 3-4500 mm | Width Range | 10-1000 mm |
| Length Range | Customized / 6000-12000 mm | MOQ | 1 Ton |
| Lead Time | 30-45 days | Port of Shipment | Shanghai / Tianjin / Qingdao |
| C | 0.38-0.43 | Si | 0.15-0.35 |
| Mn | 0.75-1.00 | P | ≤0.035 |
| S | ≤0.040 | Cr | 0.80-1.10 |
| Mo | 0.15-0.25 | Tensile Strength | ≥655 MPa |
| Yield Strength | ≥415 MPa | Hardness (HB) | ≤217 HB |
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