ASTM A563 Grade C3 Nuts Suppliers, Manufacturers
We Manufacture Hex Nuts as per ASTM A563 Grade C3. These Nuts are produced from Low Carbon Steel. We Stock & Supply these ASTM A563 Grade C3 nuts in Standard & Heavy Hex Form. We can supply these nuts various sizes.
A Nut Grades
| A | Low carbon steel, hex or heavy hex |
|---|---|
| B | Low carbon steel, hex or heavy hex |
| C | Carbon steel, quenched and tempered, heavy hex |
| D | Carbon steel, quenched and tempered, heavy hex |
| DH | Carbon steel, quenched and tempered, heavy hex |
| C3 | Weathering steel, quenched and tempered, heavy hex |
| DH3 | Weathering steel, quenched and tempered, heavy hex |
Markings & Grade Idenficiation for Astm A563 Grade C3 Nuts
| Grade Identification Marking | Specification | Material | Nominal Size, In. | Proof Load Stress, ksi | Hardness Rockwell | See Note | |
|---|---|---|---|---|---|---|---|
| Min | Max | ||||||
 |
ASTM A563 Grade C3 | Atmospheric Corrosion Resistant Steel, may be Quenched and Tempered | 1/4 - 4 | 144 | B78 | 38 | 4,6 |