Strength, elongation & hardness
Mechanical
reference.
| Grade | UTS minimum ksi (MPa) | YS minimum ksi (MPa) | Elongation % | Hardness |
|---|---|---|---|---|
| B5 | 100 (690) | 80 (550) | 16 | 14-20 HRC |
| B6 | 110 (760) | 85 (585) | 15 | 18-25 HRC |
| B7 | 125 (860) | 105 (720) | 16 | 23-32 HRC |
| B7M | 125 (860) | 105 (720) | 16 | 14-21 HRC |
| B16 | 125 (860) | 105 (725) | 16 | 23-32 HRC |
| B8 / Class 1 | 75 (515) | 30 (205) | 30 | 18 HRC max |
| B8M / Class 1 | 75 (515) | 30 (205) | 30 | 18 HRC max |
| B8M / Class 2 | 75 (515) | 30 (205) | 30 | 35 HRC max |
| B8T / Class 2 | 125 (860) | 100 (690) | 12 | 35 HRC max |
Specification controls
The approved order and applicable standard control grade, dimensions, heat treatment, testing, marking, traceability and inspection documentation.
Reference extract from the supplied catalogue. Verify the applicable standard and approved specification.
Next step
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