1.6959 Alloyed Carbon Steel
Everything You Need to Know About 38ChN3MFA, 1.6959 Alloyed Carbon Steel PD 970:2005
1.6959 Alloyed Carbon Steel Description
1.6959 alloyed carbon steel is a type of steel that will operate under load in a specific temperature range – – 40 to 420 °C. The 38ChN3MFA steel belongs to a special type of weldability group known as the NAKS MO3 and is hardly weldable steel. To weld this steel, preheating is a must and welding should be followed by stress relieving.
1.6959 Alloyed Carbon Steel Applications
The 1.6959 alloyed carbon 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:
- Heavy-duty fastenings
- Studs
- Aircraft industry
- Energy industry
1.6959 Alloyed Carbon Steel Chemical Composition
The chemical composition of 1.6959 alloyed carbon steel is:
| 1.6959 steel chemical element | % present |
|---|---|
| Carbon (C) | 0.30 to 0.40% |
| Manganese (Mn) | 0.40 to 0.70% |
| Silicon (Si) [Max] | 0.15 to 0.35% |
| Phosphorus (P) [Max] | 0.015% |
| Sulphur (S) [Max] | 0.015% |
| Chromium (Cr) | 1.00 to 1.40% |
| Nickel (Ni) | 2.50 to 3.50% |
| Molybdenum (Mo) | 0.35 to 0.60% |
| Vanadium (V) | 0.08 to 0.20% |
1.6959 Alloy Steel Heat Treatment
| 1.6959 steel hot work and heat treatment temperature | ||||
|---|---|---|---|---|
| Hot Forming °C | Tempering °C | Nitriding °C | Soft Annealing °C | Quenching °C |
| 1100 to 900 | 450 to 650 | 500 to 530 | 750 | 850 |
| Air | Polymer or Oil | |||
1.6959 Alloy Steel Properties
Here are the properties of 1.6959 alloy steel:
- Hardly weldable
- Load resistant
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