42CrMo4 low alloy structural steel
42CrMo4 high strength sheet metal is a high-strength alloy structural steel that belongs to the Cr-Mo series. 42CrMo4 high strength plate has high strength, high hardenability, high toughness, and good machinability and weldability. 42CrMo4 high tensile steel sheet Through the addition of alloy elements, 42CrMo4 high tensile alloy steel has excellent mechanical properties and heat treatment properties; in terms of heat treatment, 42CrMo4 high strength structural steel is usually quenched and tempered to obtain high strength and good toughness.
42CrMo4 alloy steel is widely used in engineering steel applications, such as: manufacturing various machinery, automobiles, mining parts, engine gears, supercharger drive gears, connecting rods, high-pressure pin bearing seats, power train application parts, cold forming fasteners Parts, shafts, gears, drill collars for oil exploration, etc.
42CrMo4 Hsla Steel Chemical Composition:
| C | Si | Mn | P | S | Cr | Mo |
| 0.38 - 0.45 | max 0.4 | 0.6 - 0.9 | max 0.025 | max 0.035 | 0.9 - 1.2 | 0.15 - 0.3 |
42CrMo4 Low Alloy Steel Mechanical Property:
| Nominal diameter (mm): | to 16 | 16 - 40 | 40 - 100 | 100 - 160 | 160 - 250 | 250 - 330 | 330 - 660 |
| Rm - Tensile strength (MPa) (+QT) | 1100-1300 | 1000-1200 | 900-1100 | 800-950 | 750-900 | 700 | 600 |
| Nominal thickness (mm): | 0.3 - 3 |
| Rm - Tensile strength (MPa) (+A) | 620 |
| Rm - Tensile strength (MPa) (+AC) | 630 |
| Nominal thickness (mm): | to 8 | 8 - 20 | 20 - 50 | 50 - 80 |
| Rm - Tensile strength (MPa) (+QT) | 1100 | 1000 | 900 | 800 |
| Rm - Tensile strength (MPa) (+C) | 720 |
| Rm - Tensile strength (MPa) (+LC) | 670 |
structural alloy steel plate
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