Chemical properties of SB450 boiler quality steel
SB480 boiler steel plate is a high-performance steel plate for boilers and pressure vessels, with a wide range of applications and excellent performance characteristics.
SB480 boiler steel has high thermal stability and is easy to process such as cutting, bending, and welding. It is suitable for various high-temperature equipment.
SB480 pressure vessel quality steel chemical analysis
| Grade | C. % | Mn.% | S. | N | Cu | Nb | Ti. | Si. | P. | AL | Cr. | Mo. | Ni | Vi |
| SB480 | 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 | |||||
| SB480 |
≤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 | ||
