JIS SG255 pressure vessel steel plate
Boiler Steel Plate Products Description
SG255 vessel steel plate maintains good toughness and strength in low temperature environment and can withstand large pressure and impact.
SG255 boiler steel has excellent low-temperature performance and mechanical properties, so it is widely used in the manufacture of pressure vessels in petroleum, chemical, natural gas and other fields.
In the petroleum field, SG255 boiler quality plate is used in the manufacture of liquefied petroleum gas (LPG) and liquefied natural gas (LNG) storage tanks and transport containers;
In the field of chemical industry, SG255 boiler steel plate is used in the manufacture of acetic acid, acetic anhydride and other organic reactors;
In the natural gas sector, SG255 boiler plate is used for the manufacture of gas pipelines and compressor units.
Pressure Vessel And Boiler Plate Products Details
SG255 Vessel Plate Chemical Composition & Mechanical Property:
| Grade | Chemical composition | ||||
| C max | Si max | Mn max | P max | S max | |
| SG255 | 0.20 | - | 0.30 | 0.040 | 0.040 |
| Grade | Yield point or proof stress N/mm2 (min) | Tensile strength N/mm2 min | Elongation % min | Tensile test piece | Bendability | ||
| Bending Angle | Inside radius | Test piece | |||||
| SG255 | 255 | 400 | 26 | NO.5 in rolling direction | 180° | Thickness x 1.0 Thickness x 1.5 | No.3 in rolling direction |
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