1.4122 Stainless Steel
All You Need to Know About Martensitic, Corrosion Resistant Stainless Steel X39CrMo17-1, 1.4122 According to ISO 4957, EN 10088-3
What is 1.4122 Stainless Steel Grade
The 1.4122-grade stainless steel is ferromagnetic steel that has outstanding mechanical properties. It also has good corrosion resistance and can be compared to the 1.4016 stainless steel grade for the same.
The 1.4122-grade stainless steel has the following properties:
- Outstanding mechanical properties
- Good corrosion resistance
- Ferromagnetic
Why use 1.4122 Stainless Steel
The 1.4122- stainless steel grade is martensitic steel that can be hardened with heat treatment. Due to the high carbon content in the chemical composition, the 1.4122 stainless steel has good mechanical properties. The hardness of this steel grade can be above 50 HRC after heat treatment.
What is the chemical composition of 1.4122 stainless steel?
The chemical composition of 1.4122 stainless steel is:
| 1.4122 steel chemical element | % present |
| Carbon (C) | 0.33 to 0.45% |
| Manganese (Mn) | ≤ 1.50% |
| Silicon (Si) [Max] | 1.00% |
| Chromium (Cr) | 15.5 to 17.5% |
| Molybdenum (Mo) | 0.80 to 1.30% |
| Nickel (Ni) | ≤ 1.00% |
| Phosphorus (P) [Max] | 0.040% |
| Sulphur (S) [Max] | ≤ 0.030% |
How to work with 1.4122 steel
| 1.4122 steel hot work and heat treatment temperature | |||
| Hot Forming °C | Annealing °C | Quenching °C | Tempering °C |
| 1100 to 800 | 750 to 850 | 980 to 1060 | 650 to 750 |
| Slow cooling | Cooling with Furn., Air | Cooling with Oil | |
1.4122 stainless steel applications
The main areas of applications of 1.4122 stainless steel include:
- Pump shafts
- Cutting tools
- Building industry
- Automotive industry
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