JIS G3103 SB480 Boiler Pressure Vessel Steel
SB480 boiler quality plate has good welding performance and mechanical properties, suitable for buildings, bridges and other engineering structures that need to withstand high loads.
Performance characteristics of SB480 vessel plate
High strength: SB480 boiler plate has high yield strength and tensile strength, suitable for structures that withstand large loads.
Good weldability: SB480 pressure vessel steel can be welded by a variety of welding methods, and the performance after welding is stable.
Good formability: SB480 pressure vessel plate is easy to bend cold and hot, suitable for complex structural parts.
SB480 Pressure Vessel Steel Chemical Analysis
| Grade | C. % | Mn.% | S. | N | Cu | Nb | Ti. | Si. | P. | AL | Cr. | Mo. | Ni | Vi |
| SB 480 | 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 |
SB480 Boiler Steel Mechanical Properties
| Grade | Thickness mm | Yield strength Mpa(min) | Tensile Strength MPa | Elongation % (min) | Impact Energy (KVJ) (min) | ||
| -20° | 0° | +20 | |||||
| SB 480 |
≤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 | ||
