XM-27
XM-27 The first steel developed for high-strength ferritic stainless steel , performance class 447J1. Low brittle transition temperature, resistant to halide ion stress corrosion It is destructive, its corrosion resistance is equivalent to that of pure nickel, and it has good toughness, processability and weldability.
Content
Chemical composition of XM-27(%)
| Element | Minimun % | Maximum % |
|---|---|---|
| C | - | 0.01 |
| Si | - | 0.4 |
| Mn | - | 0.4 |
| P | - | 0.02 |
| S | - | 0.02 |
| Cu | - | 0.2 |
| Ni | - | 0.5 |
| Cr | 25 | 27.5 |
| N | - | 0.015 |
| Mo | 0.75 | 1.5 |
| Nb | 0.05 | 0.2 |
Applications of XM-27
- Chemical industry (CH3COOH, lactic acid, organic acid, caustic soda concentration engineering) complete sets of equipment;
- Food industry;
- Petroleum industry, electric power industry;
- Water treatment and other heat exchangers, pressure vessels, tanks and other equipment, etc.;
