Related Specifications
Surface Treatments
Certifications
- ISO 9001 - 2015 Certified
- PED 2014/68/EC
- NACE MR0175/ISO 15156-2
- NORSOK M-650
- DFAR
- MERKBLATT AD 2000 W2/W7/W10
ASTM F436/F436M Type 3 Circular Washer
ASTM F436/F436M Type 3 circular washers are hardened weathering steel washers designed for structural applications requiring improved corrosion resistance. These round washers distribute load evenly and protect surfaces while maintaining the integrity of bolted connections in outdoor and heavy-duty environments. They are commonly used in infrastructure and exposed steel structures.
ASTM F436 Hardened Circular(Inch Washers) Dimensions
| Nominal WasherD Size Inch | Clipped Circular | |||
|---|---|---|---|---|
| Inside Diameter (I.D)Inch | Outside Diameter (O.D.) Inch | |||
| min | max | min | max | |
| 1/4 | 0.281 | 0.313 | 0.593 | 0.657 |
| 5/16 | 0.344 | 0.376 | 0.656 | 0.720 |
| 3/8 | 0.406 | 0.438 | 0.781 | 0.845 |
| 7/16 | 0.469 | 0.501 | 0.890 | 0.954 |
| 1/2 | 0.531 | 0.563 | 1.031 | 1.095 |
| 9/16 | 0.625 | 0.657 | 1.156 | 1.220 |
| 5/8 | 0.688 | 0.720 | 1.281 | 1.345 |
| 3/4 | 0.813 | 0.845 | 1.436 | 1.500 |
| 7/8 | 0.938 | 0.970 | 1.718 | 1.782 |
| 1 | 1.063 | 1.126 | 1.937 | 2.063 |
| 11/8 | 1.188 | 1.251 | 2.187 | 2.313 |
| 11/4 | 1.375 | 1.438 | 2.437 | 2.563 |
| 13/8 | 1.500 | 1.563 | 2.687 | 2.813 |
| 11/2 | 1.625 | 1.688 | 2.937 | 3.063 |
| 13/4 | 1.875 | 1.938 | 3.312 | 3.438 |
| 2 | 2.125 | 2.188 | 3.687 | 3.813 |
| 21/4 | 2.375 | 2.438 | 3.937 | 4.063 |
| 21/2 | 2.625 | 2.688 | 4.437 | 4.563 |
| 23/4 | 2.875 | 2.938 | 4.937 | 5.063 |
| 3 | 3.125 | 3.188 | 5.437 | 5.563 |
| 31/4 | 3.375 | 3.500 | 5.875 | 6.125 |
| 31/2 | 3.625 | 3.750 | 6.375 | 6.625 |
| 33/4 | 3.875 | 4.000 | 6.875 | 7.125 |
| 4 | 4.125 | 4.250 | 7.375 | 7.625 |
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ASTM F436 Related Products
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