Pressure vessel steel plate ASTM A537 class 1 is under ASTM A537 specification, the standard specification for pressure vessel plates, heat-treated, carbon-manganese-silicon steel used in the applications of fusion welded pressure vessels and structures. Typical applications of pressure vessel steel plate ASTM A537 class 1 is for moderate and lower-temperature service requiring excellent notch toughness as well as API 650 and API 620 storage tanks.
Pressure vessel steel plate ASTM A537 class 1 properties:
| Grade | Thickness | Yield strength | Tensile strength | Elongation |
| A537 class 1 | mm | Min Mpa | Mpa | Min % |
| under 65 | 345 | 485-620 | 22 | |
| 65-100 | 310 | 450-585 | - | |
| 100-150 | - | - | 18 |
Pressure vessel steel plate ASTM A537 class 1 is normalized steel which is heat treated and as a consequence displays greater yield and tensile strength than the more standard ASTM A516 grades. Pressure vessel steel plate ASTM A537 class 1 is ideal for use in pressurized service both in boilers and pressure vessels. BBN steel supplies pressure vessel steel plate ASTM A537 class 1 to the world's leading fabricators who in turn serve the Oil, Gas and Petrochemical industry.
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