10CrMo9-10
10CrMo9-10 (2.25 % Cr – 1 % Mo) is a high-temperature chromium-molybdenum steel for power plants, refineries and petrochemicals at high temperatures.
Application & properties
10CrMo9-10 (2.25 % Cr – 1 % Mo) is a high-temperature chromium-molybdenum steel for power plants, refineries and petrochemicals at high temperatures.
- Superheater and steam lines in power plants
- Refinery and petrochemical plants
- High-temperature pressure vessels
Chemical composition
Typical values in wt.-% per EN standard (heat analysis).
| Element | Content (%) |
|---|---|
| C | 0.08–0.14 |
| Si | ≤ 0.50 |
| Mn | 0.40–0.80 |
| P | ≤ 0.020 |
| S | ≤ 0.010 |
| Cr | 2.00–2.50 |
| Mo | 0.90–1.10 |
Mechanical properties
Typical values at room temperature per EN standard.
| Property | Value |
|---|---|
| Yield strength Rp0.2 (t ≤ 16 mm) | ≥ 280 MPa |
| Tensile strength Rm | 480–630 MPa |
| Elongation A | ≥ 20 % |
| Impact energy KV | ≥ 40 J |
Standards, equivalents & product forms
| Topic | Detail |
|---|---|
| Standards | EN 10216-2, EN 10028-2 |
| ASME/ASTM equivalent | = ASTM A335 P22 · A182 F22 |
| Material no. | 1.7380 |
| Short name / aka | 2¼Cr-1Mo · A335 P22 |
We supply 10CrMo9-10 as pipes, flanges and fittings – seamless or welded, on request with an EN 10204 3.1 / 3.2 mill certificate.
Frequently asked questions about 10CrMo9-10
What does 10CrMo9-10 mean?
A creep-resistant steel with approx. 2.25 % chromium and 1 % molybdenum – internationally known as ASTM A335 P22.
Up to what temperature can 10CrMo9-10 be used?
In continuous service up to approx. 600 °C.
Request 10CrMo9-10?
Grade, standard, size, pressure rating and quantity are enough – on request with an EN 10204 3.1 / 3.2 mill certificate. Your quote usually the same day.
All data are typical values per the relevant EN standards for first orientation – without warranty. The applicable standard and the mill certificate of the delivery are decisive.