1.7225 Alloy Special Steel
Everything You Need to Know About 42CrMo4, 708M40, 709M40, 42CD4, 4140H, 4140, 40ChML, 1.7225 Alloy Steel EN 1003-3 2006
1.7225 Alloy Steel Description
1.7225 alloy steel is classified as structural steel. The 42CrMo4 alloy steel is strong and hardenable and is used for heavily loaded medium. The 40 ChML steel is used for large parts with strength requirements exceeding the capabilities of several other steel grades. The 1.7225 alloy steel is a good alternative to chrome-nickel and chrome-nickel-molybdenum steels that are expensive.
1.7225 Alloy Steel Applications
The 1.7225 alloy steel has a good set of properties that makes it a suitable material to create various products and parts. It can be used in various applications. This includes:
- Axles
- Chain wheels
- Motor cylinders
- Connecting rods
- Chain wheels
- Motor cylinders
- Multi-spline shafts
- Ball pins
- Crankshafts
- Shafts
1.7225 Alloy Steel Chemical Composition
The chemical composition of 1.7225 alloy steel is:
| 1.7225 steel chemical element | % present |
|---|---|
| Carbon (C) | 0.38 to 0.45% |
| Manganese (Mn) | 0.60 to 0.90% |
| Silicon (Si) [Max] | 0.40% |
| Chromium (Cr) [Max] | 0.90 1.20% |
| Phosphorus (P) [Max] | 0.025% |
| Sulphur (S) [Max] | 0.035% |
| Molybdenum (Mo) | 0.15 to 0.30% |
1.7225 Alloy Steel Heat Treatment
| 1.7225 steel hot work and heat treatment temperature | |
|---|---|
| Tempering °C | Quenching °C |
| 540 to 680 | 820 to 800 |
| Oil or polymer | |
1.7225 Alloy Steel Properties
Here are the properties of 1.7225 alloy steel:
- Can be annealed
- Welding not recommended
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