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1. SPV355 vessel plate is a Japanese standard medium temperature pressure vessel steel. The technical standard is JIS G3115, which is widely used in petroleum, chemical, power station, boiler and other industries.
2. Chemical composition of SPV355 vessel plate:
| Grade | C | Si | Mn | P | S |
| SPV235 | Thickness≤100mm, ≤0.18; Thickness>100mm, ≤0.20 |
≤0.35 | ≤1.40 | ≤0.030 | ≤0.030 |
| SPV315 | ≤0.18 | ≤0.55 | ≤1.60 | ≤0.030 | ≤0.030 |
| SPV355 | ≤0.20 | ≤0.55 | ≤1.60 | ≤0.030 | ≤0.030 |
| SPV410 | ≤0.18 | ≤0.75 | ≤1.60 | ≤0.030 | ≤0.030 |
| SPV450 | ≤0.18 | ≤0.75 | ≤1.60 | ≤0.030 | ≤0.030 |
| SPV490 | ≤0.18 | ≤0.75 | ≤1.60 | ≤0.030 | ≤0.030 |
3. Mechanical properties of SPV355 steel plate:
| Thickness | Delivery state | Tensile strength | Elongation | Impact temperature | AKV(J) | Bending diameter | Bending angle |
| 6-100 | Normalizing | 355 | 14 | 0 | 47 | 1.5a | 180 |
| 18 | |||||||
| 100-150 | 315 | 21 |
4. Practical application of SPV355 pressure vessel steel plate:
SPV355 vessel plate is used to make equipment and components such as reactors, heat exchangers, separators, spherical tanks, oil and gas tanks, liquefied gas tanks, nuclear reactor pressure shells, boiler drums, liquefied petroleum gas cylinders, high-pressure water pipes of hydropower stations, and turbine volutes.
