15Mo3 and 16Mo3 both belong to boiler and container steel
1, 15Mo3 steel implementation of the German standard DIN17155 standard, 16Mo3 steel plate implementation of the European standard EN10028 standard. 15Mo3 alloy plate is generally used for low and medium pressure boiler (working pressure is generally not greater than 5.88Mpa, operating temperature below 450 ℃) of the heated surface tubes; used for high-pressure boilers (working pressure is generally more than 9.8Mpa, the operating temperature is 450 ℃ 450 ℃) of the heated surface tubes, economiser, superheater, reheater ~ 650 ℃) of the heated surface tubes, economiser, superheater, reheater.
| component | C | Si | Mn | P | S | Mo |
|---|---|---|---|---|---|---|
| Min | 0.12 | 0.1 | 0.4 | - | - | 0.25 |
| Max | 0.2 | 0.35 | 0.8 | 0.035 | 0.035 | 0.35 |
2, 16Mo3 steel is a foreign grade steel, used to make boilers or pressure vessels.
| component | C | Si | Mn | P | S | Cr | Ni | Cu | Mo | N |
|---|---|---|---|---|---|---|---|---|---|---|
| Min | 0.12 | - | 0.4 | - | - | - | - | - | 0.25 | - |
| Max | 0.2 | 0.35 | 0.9 | 0.025 | 0.01 | 0.3 | 0.3 | 0.3 | 0.35 | 0.012 |
