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15Mo3 steel application :
DIN17155 15MO3 steel is mainly used for boilers and pressure vessels with elevated temperatures.
DIN17155 15MO3 comparison of steel grades:
| 15Mo3 DIN 17155 Number:1.5415 |
comparison of steel grades | |
| EN 10028-2 | 16 Mo 3 | |
| NFA 36-205 | 15 D3 | |
| UNI 5869 | 15 Mo 3 | |
| BS 1501 | 1503 - 243 B | |
| UNE 36087 | 16 Mo 3 | |
| ASTM | A 204 Gr. B | |
| JIS G3115 | - | |
DIN17155 15Mo3 steel Chemical Composition:
| Grade | C | Mn | Smax | Cumax | Si | Pmax | Crmax | Nimax | Mo |
| 15Mo3 | 0.12- 0.2 | 0.40- 0.90 | 0.030 | 0.30 | 0.10-0.35 | 0.035 | 0.25 | 0.30 | 0.25- 0.35 |
DIN17155 15Mo3 steel Merchanical Propertites:
| Grade | Tensile Strength (Mpa) | Yield Strength (Mpa) min | Elongation in 100-150 mm(%) | Elongation in 16 mm(%) | Max Thickness (mm) |
| 15Mo3 | 450-600 | 270 | 20 | 24 | 250 |
DIN17155 15Mo3 alloy vessel steel plate application:
15Mo3 is used for low medium pressure boiler heating surface(Working pressure is generally not greater than 5.88 Mpa and working temperature is under 450 ℃); 15Mo3 is used for high pressure boiler(Working pressure is greater than 9.8 Mpa and working temperature is under 450-650 ℃)
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