Hot Rolled 6mm Pressure Vessel Boiler Steel Plate For Chemical Industry
Hot Rolled 6mm Boiler Alloy Steel Sheet Plate Boiler Pressure Vessel High Strength
Widely used in petroleum, chemical industry, power station, boiler and other industries. It is used in making reactors, heat exchangers, separators, spherical tanks, gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders, high pressure water pipes of hydropower stations, turbine shells and other equipment and components.
Product Information of Boiler Alloy Steel Sheet Plate
Continuous casting slab or primary rolling slab is used as raw material, which is heated by stepping furnace, descaled by high pressure water and then enters roughing mill. Roughing material goes through cutting head, tail and then into finishing mill for computer controlled rolling. After the final rolling, it goes through laminar cooling (computer controlled cooling rate) and coiler coil to become straight hair coil.The head and tail of straight hair roll often show the shape of tongue and fish tail, thickness, width accuracy is poor, the edge often exists wave shape, folded edge, tower shape and other defects.Its coil weight is heavy, steel coil inner diameter is 760mm.
Chemical Composition of Boiler Alloy Steel Sheet Plate
| Grades | C max | Mn max | S max |
P max |
Si | Cr | Cu | Mo |
| A204 Gr A | 0.18 | 0.90 | 0.035 | 0.035 | 0.15-0.40 | - | - | - |
| A204 Gr B | 0.20 | 0.90 | 0.035 | 0.035 | 0.15-0.40 | - | - | - |
| A204 Gr C | 0.23 | 0.90 | 0.035 | 0.035 | 0.15-0.40 | - | - | - |
Mechanical Properties of Boiler Alloy Steel Sheet Plate
| Grade | Tensile Strength (Mpa) |
Yield Strength (Mpa) |
Elongation In 100-150 mm (%) |
Elongation In 16 mm (%) |
| A204 | 440-590 | 220-275 | 19 |
24 |
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