Steel number |
design pressure P/MPa |
Operating temperature t/℃ |
Shell thickness δ/mm |
Matters need attention |
Q235A·F | ≤0.6 | 0~350 | ≤12 | Must not be used for pressure vessels containing flammable and explosive media with medium, high or extremely hazardous media |
Q235A | ≤1.0 | 0~350 | ≤16 | Must not be used for pressure vessels containing liquefied petroleum gas, highly toxic or extremely hazardous media |
Q235B | ≤1.6 | 0~350 | ≤20 | Must not be used for pressure vessels containing highly toxic or extremely hazardous media |
Q235C | ≤2.5 | 0~350 | ≤32 |