deformed steel bar
HRB500, high yield strength, low carbon, use to build big building.
| standard | chemical character,100% | σs(orσp0.2) | σb | δ5 | Diameter | bending test diameter | |||||
| MPA | MPa | % | |||||||||
| C | Si | Mn | P | S | Ceq | over | mm | ||||
| HRB335 | 0.25 | 0.8 | 1.6 | 0.045 | 0.045 | 0.52 | 335 | 490 | 16 | 6-25 | 3a |
| 28-50 | 4a | ||||||||||
| HRB400 | 0.25 | 0.8 | 1.6 | 0.045 | 0.045 | 0.54 | 400 | 570 | 14 | 6-25 | 4a |
| 28-50 | 5a | ||||||||||
| HRB500 | 0.25 | 0.8 | 1.6 | 0.045 | 0.045 | 0.55 | 500 | 630 | 12 | 6-25 | 6a |
| 28-50 | 7a | ||||||||||
deformed steel bar
