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Description: Pressure Vessel Plate of ASTM A537 is heat-treated carbon-manganese-silicon steel plates intended for fusion welded pressure vessels and structures. Plates are available in 3 class： Class1， Class2， Class3. The maximum thickness of plates is 4 in. [100mm] ...
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Pressure Vessel Plate of ASTM A537 is heat-treated carbon-manganese-silicon steel plates intended for fusion welded pressure vessels and structures. Plates are available in 3 class： Class1， Class2， Class3. The maximum thickness of plates is 4 in. [100mm] for Class 1 and 6 in. [150mm] for Class 2 & Class3.
Class 1 plates shall be normalized.
Class 2 & Class 3 plates shall be quenched and tempered. The temperature for Class 2 plates shall not be less than 1100°F[595°] and not less than 1150° F[620°] for class 3 plates.
ASTM A537 steel chemical components:
| standard | thickness | C | Si | Mn | P | S | Cu | Ni | Cr | Mo |
|---|---|---|---|---|---|---|---|---|---|---|
| mm | ||||||||||
| ASTM A537 | ≤40mm | 0.24 | 0.15-0.50 | 0.70-1.35 | 0.035 | 0.035 | 0.35 | 0.35 | 0.25 | 0.08 |
| ＞40mm | 1.00-1.60 |
ASTM A537 steel mechanical property:
| ASTM A537 | thickness | Yield strength | Tensile strength | Elongation minimum | |||||
|---|---|---|---|---|---|---|---|---|---|
| mm | Mpa | Mpa | % | ||||||
| Class 1 | ≤65 | 345 | 485-620 | 22 | |||||
| 65-100 | 310 | 450-585 | - | ||||||
| 100-150 | - | - | 18 | ||||||
| Class 2 | ≤65 | 415 | 550-690 | 22 | |||||
| 65-100 | 380 | 515-655 | 20 | ||||||
| 100-150 | 315 | 485-620 | - | ||||||
| Class 3 | ≤65 | 380 | 550-690 | 22 | |||||
| 65-100 | 345 | 515-655 | 20 | ||||||
| 100-150 | 275 | 485-620 | - | ||||||
ASTM A537 steel equivalent to
| ASTM/ASME | GB6654 | G3115 | DIN7155 |
|---|---|---|---|
| A537 | 16MnR | SPV36 | 19Mn5 |
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