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GET PRICE ASTM A542 pressure vessel steel plate include five types and code named "A", "B", "C", "D", "E".ASTM A542 pressure vessel steel plate is a kind of Mo-V alloy steel plates material and it usually used for fabric high temperature pressure vessels.
ASTM A542 pressure vessel steel plate Chemical Composition:
| Element | Project | Composition % | ||||
| Type A | Type B | Type C | Type D | Type E | ||
| C | Heat analysis | ≤0.15 | 0.11-0.15 | 0.10-0.15 | 0.11-0.15 | 0.10-0.15 |
| Product analysis | ≤0.18A | 0.09-0.18 | 0.08-0.18 | 0.09-0.18 | 0.08-0.18 | |
| Mn | Heat analysis | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 | 0.30-0.60 |
| Product analysis | 0.25-0.66 | 0.25-0.66 | 0.25-0.66 | 0.25-0.66 | 0.25-0.66 | |
| P | ≤ | 0.025B | 0.015B | 0.025B | … | 0.025 |
| Heat analysis | … | … | … | 0.015 | … | |
| Product analysis | … | … | … | 0.020 | … | |
| S | ≤ | 0.025B | 0.015B | 0.025B | … | 0.010 |
| Heat analysis | … | … | … | 0.010 | … | |
| Product analysis | … | … | … | 0.015 | … | |
| Si | ≤ | 0.50B | 0.50B | 0.13B | … | 0.15 |
| Heat analysis | … | … | … | 0.10 | … | |
| Product analysis | … | … | … | 0.13 | … | |
| Cr | Heat analysis | 2.00-2.50 | 2.00-2.50 | 2.75-3.25 | 2.00-2.50 | 2.75-3.25 |
| Product analysis | 1.88-2.62 | 1.88-2.62 | 2.63-3.37 | 1.88-2.62 | 2.63-3.37 | |
| Mo | Heat analysis | 0.90-1.10 | 0.90-1.10 | 0.90-1.10 | 0.90-1.10 | 0.90-1.10 |
| Product analysis | 0.85-1.15 | 0.85-1.15 | 0.85-1.15 | 0.85-1.15 | 0.85-1.15 | |
| Cu | Heat analysis | ≤0.40 | ≤0.25 | ≤0.25 | ≤0.20 | ≤0.25 |
| Product analysis | ≤0.43 | ≤0.28 | ≤0.28 | ≤0.23 | ≤0.28 | |
| Ni | Heat analysis | ≤0.40 | ≤0.25 | ≤0.25 | ≤0.25 | ≤0.25 |
| Product analysis | ≤0.43 | ≤0.28 | ≤0.28 | ≤0.28 | ≤0.28 | |
| V | Heat analysis | ≤0.03 | ≤0.02 | 0.20-0.30 | 0.25-0.35 | 0.20-0.30 |
| Product analysis | ≤0.04 | ≤0.03 | 0.18-0.33 | 0.23-0.37 | 0.18-0.33 | |
| Ti | Heat analysis | … | … | 0.015-0.035 | ≤0.030 | … |
| Product analysis | … | … | 0.005-0.045 | ≤0.035 | … | |
| B | Heat analysis | … | … | 0.001-0.003 | ≤0.0020 | … |
| Product analysis | … | … | NAC | NAC | … | |
| Nb | Heat analysis | … | … | … | ≤0.07 | 0.015-0.070 |
| Product analysis | … | … | … | ≤0.08 | 0.010-0.075 | |
| CaD | Heat analysis | … | … | … | ≤0.015 | 0.0005-0.015 |
| Product analysis | … | … | … | ≤0.020 | NAC | |
ASTM A542 pressure vessel steel plate Mechanical Property:
|
| Class1 | Class2 | Class3 | Class4 | Class5 |
| Tensile strength Mpa | 105-125（725-860） | 115-135（795-930） | 95-115（655-795） | 85-110（585-760） | 85-110（585-760） |
| Yield strength min Mpa） | 85（585） | 100（690） | 75（515） | 55（380） | 60（415） |
| 2in（50mm）Elongation %，A | 14 | 13 | 20 | 20 | 18 |
Delivery condition of ASTM A542 pressure vessel steel plate: AR, CR, NR, TMCP, N, T, N+T, Q+T.
ASTM A542 pressure vessel steel plate Dimension (T*W*L) mm: 6-150*1600-4100*L.
ASTM A542 Grade A Class 1 pressure vessel steel plate needs to do the (Quenching + Tempering) heat-treatment to meet the property requirement in the standard ASTM A-542.
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