16Mo3
Data verified16Mo3 is a molybdenum-alloyed pressure-vessel steel to EN 10028-2, specified for boilers and hot vessels up to about 530 °C. The small Mo addition lifts creep and high-temperature strength well above carbon steel at modest cost.
Chemical composition
| Element | Content (%) |
|---|---|
| C | 0.12–0.20 |
| Si | ≤0.35 |
| Mn | 0.40–0.90 |
| P | ≤0.025 |
| S | ≤0.010 |
| Mo | 0.25–0.35 |
| Cr | ≤0.30 |
Weight percent, per the governing standard ranges. Actual values per heat are on the mill certificate.
Properties
| Yield strength | ≥275 MPa (≤16 mm) |
| Tensile strength | 440–590 MPa |
| Service temperature | to ~530 °C |
| Density | 7.85 g/cm³ |
Heat treatment
Supplied normalized (or normalized and tempered for thick plate).
Equivalent grades
| Standard | Designation |
|---|---|
| din | 1.5415 (16Mo3) |
| aisi | A204 (near, different Mo) |
Equivalents overlap in chemistry and use but are not always identical — see our equivalents guide before substituting in certified designs.
Applications & Processing
Applications: Boiler shells and drums, superheater headers, hot process vessels, power-plant piping plate.
Processing: Weldable with standard practice and Mo-bearing or matching filler for hot service; PWHT per code.
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Ask for a quotationVisit NasteelSource: EN 10028-2 published ranges · Last updated 2026-11-03. Data is indicative — verify critical values against the governing standard and mill certificate before use.