China ASTM A194 2h 2hm Carbon Steel Heavy Hex Nut with Black Oxide, Find details about China Nut, Hex Nut from ASTM A194 2h 2hm Carbon Steel Heavy Hex Nut with Black Oxide
Element | 2, 2H, and 2HM |
Carbon | 0.40% min |
Manganese | 1.00% max |
Phosphorus, max | 0.04% |
Sulfur, max | 0.05% |
Silicon | 0.40% max |
Nominal Size, in. | Proof Load, lbf | ||
Stress Area in.2 | Grade 2HM, Heavy Hex | Grade 2H, Heavy Hex | |
1/2" | 0.1419 | 21,800 | 24, 830 |
5/8" | 0.226 | 33,900 | 39, 550 |
3/4" | 0.334 | 50,100 | 58, 450 |
7/8'' | 0.462 | 69,300 | 80, 850 |
1 | 0.606 | 90,900 | 106,000 |
Grade | Completed Nuts | Sample Nut After Heat Treat | |||
Brinell Hardness | Rockwell Hardness, C Scale | Rockwell Hardness, B Scale | Brinell Hardness, min | Rockwell B Scale, Min | |
2H through 1½ " | 248 to 327 | 24 to 35 | - | 179 | 89 |
2H over 1½ " | 212 to 327 | 35 max | 95 min | 147 | 79 |