16Mo3
16Mo3 is a molybdenum-alloyed creep-resistant steel – the classic grade for boiler tubes, superheaters, live-steam and header tubes. Molybdenum improves high-temperature strength over unalloyed steel.
Application & properties
16Mo3 is a molybdenum-alloyed creep-resistant steel – the classic grade for boiler tubes, superheaters, live-steam and header tubes. Molybdenum improves high-temperature strength over unalloyed steel.
- Boiler tubes and superheater coils
- Live-steam lines and headers
- Heat exchangers, furnace and process tubes
- Oil & petrochemical industry
Chemical composition
Typical values in wt.-% per EN standard (heat analysis).
| Element | Content (%) |
|---|---|
| C | 0.12–0.20 |
| Si | ≤ 0.35 |
| Mn | 0.40–0.90 |
| P | ≤ 0.025 |
| S | ≤ 0.010 |
| Cr | ≤ 0.30 |
| Mo | 0.25–0.35 |
| Ni | ≤ 0.30 |
Mechanical properties
Typical values at room temperature per EN standard.
| Property | Value |
|---|---|
| Yield strength Rp0.2 (t ≤ 16 mm) | ≥ 275 MPa |
| Tensile strength Rm | 440–590 MPa |
| Elongation A | ≥ 24 % |
| Impact energy KV | ≥ 40 J |
Standards, equivalents & product forms
| Topic | Detail |
|---|---|
| Standards | EN 10216-2 (tubes), EN 10028-2 (plate) |
| ASME/ASTM equivalent | ~ ASTM A335 P1 · A182 F1 |
| Material no. | 1.5415 |
| Short name / aka | Molybdänstahl · Kesselrohr |
We supply 16Mo3 as pipes, flanges and fittings – seamless or welded, on request with an EN 10204 3.1 / 3.2 mill certificate.
Frequently asked questions about 16Mo3
Up to what temperature can 16Mo3 be used?
As a creep-resistant steel, 16Mo3 is suitable for continuous service up to approx. 530 °C.
What is 16Mo3 mainly used for?
Above all for boiler and superheater tubes, live-steam lines and headers in power and plant engineering.
What is the ASME equivalent of 16Mo3?
16Mo3 roughly corresponds to ASTM A335 P1 (tube) and A182 F1 (forgings).
Request 16Mo3?
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.