Astm F568 Grade 9.8 Fasteners Specification
Astm F568 Grade 9.8 Fasteners Properties
| Chemical Properties | ||
|---|---|---|
| C | P | S |
| 0.25-0.55 | 0.048 Max | 0.058 Max |
| Mechanical Properties | ||||
|---|---|---|---|---|
| Yeild strength | Tensile strength | Elongation | Reduction | Hardness |
| Mpa | Mpa | % | % | HRC |
| min | min | min | min | |
| 720 | 900 | 10 | 35 | 27-36 |
| Proof Load Values, kN | |||||||
|---|---|---|---|---|---|---|---|
| Nominal Product Diameter & Thread Pitch | |||||||
| M1.6 X 0.35 | M2 X 0.4 | M2.5 X 0.45 | M3 X 0.5 | M3.5 X 0.6 | M4 X 0.7 | M5 X 0.8 | |
| Method 1 | 0.83 | 1.35 | 2.2 | 3.27 | 4.41 | 5.71 | 9.23 |
| Method 2 | 0.91 | 1.49 | 2.44 | 3.62 | 4.88 | 6.32 | 10.2 |
| M6 X 1 | M8 X 1.25 | M10 X 1.5 | M12 X 1.75 | M14 X 2 | M16 X 2 | ||
| Method 1 | 31.1 | 23.8 | 37.7 | 54.8 | 74.8 | 102 | |
| Method 2 | 14.5 | 26.4 | 41.8 | 60.7 | 82.8 | 113 | |
| Heat Treatment | |||
|---|---|---|---|
| Quenched & Tempered @ 425°C | |||
| Equivalent Designation | ||
|---|---|---|
| UNS | ||
| EN number | ||
| EN Name | ||
| W.Nr. | ||
| SS | ||
| AFNOR | ||