Astm F568 Grade 4.8 Fasteners Specification
Astm F568 Grade 4.8 Fasteners Properties
| Chemical Properties | ||
|---|---|---|
| C | P | S |
| 0.55 Max | 0.048 Max | 0.058 Max |
| Mechanical Properties | ||||
|---|---|---|---|---|
| Yeild strength | Tensile strength | Elongation | Reduction | Hardness |
| Mpa | Mpa | % | % | HRB |
| min | min | min | min | |
| 340 | 420 | 14 | 35 | 71-95 |
| 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 | 0.39 | 0.64 | 1.05 | 1.56 | 2.1 | 2.72 | 4.4 |
| Method 2 | 0.43 | 0.7 | 1.15 | 1.71 | 2.31 | 2.99 | 4.83 |
| M6 X 1 | M8 X 1.25 | M10 X 1.5 | M12 X 1.75 | M14 X 2 | M16 X 2 | ||
| Method 1 | 6.23 | 11.3 | 18 | 26.1 | 35.7 | 48.7 | |
| Method 2 | 6.83 | 12.4 | 19.7 | 28.7 | 39.1 | 53.4 | |
| Heat Treatment | |||
|---|---|---|---|
| Quenched & tempered @ 380 C° | |||
| Equivalent Designation | ||
|---|---|---|
| UNS | ||
| EN number | ||
| EN Name | ||
| W.Nr. | ||
| SS | ||
| AFNOR | ||