Astm F436 Type 3 Washers Specification
Astm F436 Type 3 Washers Properties
| Chemical Properties | |||||
|---|---|---|---|---|---|
| P | S | Si | Cr | Ni | Cu |
| Max | Max | Max | |||
| 4.4999999999999998E-2 | 5.5E-2 | 0.13-0.37 | 0.42-0.68 | 0.22-0.48 | 0.22-0.48 |
| Mechanical Properties | |||
|---|---|---|---|
| Nominal Washer Size | Hardness (HRC) | ||
| Self Colour/Black | |||
| min | max | ||
| M16 to M36 inclusive | 38 | 45 | |
| Washer Dimensions | ||||||||
|---|---|---|---|---|---|---|---|---|
| Nominal Washer Size | M16 | M20 | M22 | M24 | M27 | M30 | M36 | |
| d1 | max | 18.3999 | 22.5 | 24.5 | 26.5 | 30.5 | 33.6 | 39.6 |
| min | 18 | 22 | 24 | 26 | 30 | 33 | 39 | |
| d2 | max | 34 | 42 | 44 | 50 | 56 | 60 | 72 |
| min | 32.4 | 40.4 | 42.4 | 48.4 | 54.1 | 58.1 | 71 | |
| h | max | 4.59996 | 4.59996 | 4.59996 | 4.59996 | 4.59996 | 4.59996 | 4.59996 |
| min | 3.1 | 3.1 | 3.4 | 3.4 | 3.4 | 3.4 | 3.4 | |
| Heat Treatment | ||||||
|---|---|---|---|---|---|---|
| HARDENED | ||||||