| Grade |
Tensile Strength(N/mm²) |
Yield Strength(N/mm²) |
Elongation(%) |
Gauge(Length) |
| B500BWR |
1.08 * |
500 |
14 |
5 d |
| B500B-R |
Yield strength |
500 |
14 |
5 d |
| B400B-R |
- |
400 |
14 |
5 d |
Tensile strength ratio relative to yield strength
| Grade |
Tensile Strength(N/mm²) |
Yield Strength(N/mm²) |
Elongation(%) |
Gauge(Length) |
| RB500W |
1.08 * |
500 |
14 |
5 d |
| RB500 |
Yield strength |
500 |
14 |
5 d |
| RB400 |
- |
400 |
14 |
5 d |
Tensile strength ratio relative to yield strength
| Grade |
Tensile Strength(N/mm²) |
Yield Strength(N/mm²) |
Elongation(%) |
Gauge(Length) |
| 250 |
300 |
250 |
22 |
5 d |
| 460 |
500 |
460 |
12 |
5 d |
| Grade |
Tensile Strength(N/mm²) |
Yield Strength(N/mm²) |
Elongation(%) |
Gauge(Length) |
| Grade 40 |
420 |
280 |
12 |
203 mm |
| Grade 60 |
620 |
420 |
9 |
203 mm |
| Grade |
Tensile Strength(N/mm²) |
Yield Strength(N/mm²) |
Elongation(%) |
Gauge(Length) |
| Grade 60 |
550 |
420 (min) 540 (max) |
14 for size 10:19 12 for size 22:36 |
203.2 mm |
At least 1.25× yield strength tensile requirement