ISO 898-1
2021-10-20
Standar for Bolt | Grade | Bolt Size | Tension Stength | Yield Strength | Proof Load Stress | Enlogation | Hardness | Head Marking |
mm | Mpa | Mpa | Mpa | % | ||||
| 4.6 |
| 400min | 240min | 225 | 22 | B67-95 |
|
ISO 898-1 2009(DIN931/933) | 4.8 |
| 420min | 340min | 310 | - | B71-95 |
|
5.6 |
| 500min | 300min | 280 | 20 | B79-95 |
| |
5.8 |
| 520min | 420min | 380 | - | B 82-95 |
| |
6.8 |
| 600min | 480min | 440 | - | B 89-99.5 |
| |
8.8 | ≤16 | 800min | 640min | 580 | 12 | C22-32 |
| |
>16 | 830min | 660min | 600 | 12 | C23-34 | |||
10.9 |
| 1000min | 940min | 830 | 9 | C32-39 |
| |
12.9 |
| 1200min | 1100min | 970 | 8 | C39-44 |
|
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