United States · ASTM
F568 Class 10.9
ASTM F568M:2007 — ASTM F568M
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| B | For martensite steel: B <= 0 | |||
| C | 0.25 | 0.55 | For martensite steel: 0 | |
| Mn | For martensite steel: Mn < 0 | |||
| P | 0.048 | |||
| S | 0.058 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| bolts, bolts, quenched and tempered, M5-M100 mm, screws | 940 | 1040 | 9 | 35 | ||
| bolts, bolts, quenched and tempered, M5-M100 mm, HR | Screw 33 39.00 | |||||
| bolts, bolts, quenched and tempered, M5-M100 mm, HV | Screw 327 382.00 |