JIS G3115 SPV450 steel plate should be normalized when rolled.JIS G3115 SPV450 steel plate equivalent material: ASTM A533 Type A Cl.1, A533 Type B Cl.1, A533 Type C Cl.1.JIS G3115 specifies hot rolled steel plate with better weldability for pressure vessels.
JIS G3115 SPV450 steel plate is mainly used for pressure vessels in medium temperature condition.JIS G3115 SPV450 steel plate is widely used in petroleum, chemical, power station, boiler and other industries, used to manufacture reactors, heat exchangers, separators, spherical tanks, liquefied gas, nuclear reactors and other pressure vessels.
JIS G3115 SPV450 steel plate chemical composition and mechanical property:
| C% | SI% | Mn% | P% | S% | ||
| 0.2 | 0.8 | 1.7 | 0.02 | 0.01 | ||
| ≤0.18 | ≤0.75 | ≤0.16 | ≤0.030 | ≤0.030 | ||
| Yield Strength, for product in mm, Mpa, min | Tensile Strength, Mpa | Elongation, %, min | ||||
| 6<T≤50 | 50<T≤100 | 100<T≤200 | ≤16 | 16<T≤40 | >40 | |
| 450 | 430 | 410 | 570-700 | 19 | 26 | 20 |
