SCM440 Steel Plate
Product Overview
SCM440 is a versatile Chromium-Molybdenum alloy steel known for its excellent strength-to-weight ratio and impact resistance. As a specialized supplier, we ensure our SCM440 plates meet rigorous quality standards, providing a uniform internal structure and high surface finish suitable for complex machining.
1)SCM440 Steel plate Chemical Composition
C | Si | Mn | P | S | Cr | Cu | Mo |
0.38-0.45 | 0.17-0.37 | 0.50-0.80 | ≤0.03 | ≤0.03 | 0.90-1.20 | ≤0.03 | 0.15-0.25 |
2)SCM440 Steel plate Comparable Steel grade:
4140(USA AISI) --- 1.7225(Germany DIN)--- SCM440(Japan,JIS)--- 42CrMo(China GB)
3)SCM440 Steel plate Delivery Condition:
Hot rolled or forging,Black Surface
Pre-hardened(hardness 28-35HRC)
Annealed(hardness≤229HB )
Mechanical Properties (Typical QT Condition)
4)SCM440 steel plate Size Specification
| Thickness range(mm) | Width range(mm) | Length range(mm) |
| Rolled big plate | 13-200 | 2000-2300 | 3000-5800 |
| Rolled Flat bar | 13-200 | 205-1500 | 2000-2300 |
| Forged Block | 205-800 | 610-1600 | 2500-5800 |
5) SCM440 Steel plate Material character:
(1)With excellent machinability properlies
(2)good toughness properties
(3)good wear resistance
(4)Uniform hardness
6).SCM440 Steel plate Application:
Automotive & Engineering: Connecting rods, crankshafts, and heavy-duty axles.
Tool & Die: High-strength mold bases, ejector pins, and structural components for plastic molds.
Energy Sector: Fasteners and drill pipe joints for the oil and gas industry.
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