Because the a204 grade b boiler steel plate works under medium temperature and high pressure, in addition to high pressure, a204 grade b boiler steel plate is also subjected to impact, fatigue load and corrosion of water and gas. The performance requirements of a204 grade b boiler steel plate are mainly good welding and cold bending performance, certain high temperature strength. And alkali corrosion resistance, oxidation resistance, etc. a204 grade b boiler steel plate is generally operated under medium and high temperature and high pressure. In addition to high temperature and pressure, they are also subjected to impact fatigue load and water and gas corrosion. The working conditions are poor, so the a204 grade b boiler steel plate must have good physical properties and mechanical properties. Processability to ensure the safety of equipment.
The a204 grade b boiler steel plate chemical composition
|
Grade |
C |
Mn |
P |
S |
Si |
Mo |
|
a204 grade b |
0.20-0.27 |
0.90-0.98 |
≤0.035 |
≤0.035 |
0.13-0.45 |
0.41-0.64 |
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