ASTM A 537 class 1 Steel plate Boiler Pressure Vessel
A 537 class 1 steel plate, ASTM A 537class 1 steel plate is a kind of material for boiler and pressure vesselsteel.ASTM A 537class 1 steel plate is characterized by a minimum yield strength of 280-355 MPa and by good weldability, so A 537 class 1 steel is mainly used for manufacturing boilers, pressure vessels and pipes transporting hot liquids. The following is ASTM A 537class 1 steel plate's Chemical composition and mechanical properties.
A 537 class 1 steel Chemical analysis
| Grade | C. % | Mn.% | S. | N | Cu | Nb | Ti. | Si. | P. | AL | Cr. | Mo. | Ni | Vi |
| A 537class 1 | 0.10-0.22 | 0.10-1.70 | 0.015 | 0.012 | 0.30 | 0.020 | 0.03 | 0.60 | 0.025 | 0.020 | 0.30 | 0.08 | 0.30 | 0.02 |
A 537 class 1 steel Mechanical properties
| Grade | Type | Thickness mm | Yield strength Mpa(min) | Tensile Strength MPa | Elongation % (min) | Impact Energy (KVJ) (min) | ||
| -20° | 0° | +20 | ||||||
| A 537class 1 | Normalized | ≤16 16 > to≤40 40 > to≤60 60 > to≤100 100 > to≤150 150 > to≤250 | 355 | 510-650 | 20 | 27 | 34 | 40 |
| 345 | 510-650 | 20 | 27 | 34 | 40 | |||
| 335 | 460-580 | 20 | 27 | 34 | 40 | |||
| 315 | 490-630 | 20 | 27 | 34 | 40 | |||
| 295 | 480-630 | 20 | 27 | 34 | 40 | |||
| 280 | 470-630 | 20 | 27 | 34 | 40 | |||
A 537 CL1 is mainly used in petroleum, chemical, power plants, boilers, etc., for the production of reactors, heat exchangers, separators, tank, oil tank, gas crown, nuclear reactor pressure vessel, boiler feed, liquefied petroleum gas bottles , station pressure water pipes, turbine and other equipment and components volute.
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