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16Mo3 Steel for is used for boilers and pressure vessels with elevated temperatures according to EN 10028–2 (2003). It is equivalent to 15Mo3 (DIN 17155 – Germany), 15D3 (NFA 36–205 – France), BS1501–243b (BS1501 – UK) and ASTM 204 Gr.B.
Oakley Steel stocks 16Mo3 – ASTM 204 B – in lengths of 4000mm, 6000mm, 8000mm and 12000mm. Widths are either 2000mm or 3000mm and thicknesses are from 2mm to 250mm.
Mechanical Properties:
| 16Mo3 | |
| Tensile Strength (MPa) | 440 – 590 |
| Yield Strength (MPa) | 220 – 275 |
| Elongation in 100 – 150mm (%) | 19 |
| Elongation in 16mm (%) | 24 |
| Max Thickness (mm) | 250 |
Chemical Properties:
| Composition (%) | |
| Carbon (C) (Max) | 0.12 – 0.2 |
| Manganese (Mn) | 0.4 – 0.9 |
| Silicon (Si) | 0.35 |
| Phosphorous (P) | 0.025 |
| Sulphur (S) | 0.01 |
| Chromium (Cr) | 0.3 |
| Molybdenum | 0.25 – 0.35 |
| Nickel (Ni) | 0.3 |
| Copper (Cu) | 0.3 |
| Nitrogen (N) | 0.0120 |
