China Black Finished ASTM A194 2h Hex Heavy Nut, Find details about China Nut, Hex Nut from Black Finished ASTM A194 2h Hex Heavy Nut
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 |