ASTM A194 Grade 2H Heavy Hex Nuts
ASTM A194 Grade 2H is a material specification for quenched and tempered carbon steel nuts used in high-pressure and high-temperature service. These heavy hex nuts are specifically designed to pair with ASTM A193 Grade B7 bolts in pressure vessel, valve, and flange applications.
Send Inquiry
Product introduction
ASTM A194 Grade 2H is a material specification for quenched and tempered carbon steel nuts used in high-pressure and high-temperature service. These heavy hex nuts are specifically designed to pair with ASTM A193 Grade B7 bolts in pressure vessel, valve, and flange applications.
Common Specifications
| Materials | Carbon steel |
| Class | 2H |
| Range | 1/4" - 4" |
| Thread | Coarse , Fine, Extra Fine, Special-Fine |
| Surface | Plain, zinc plated, hot-dip galvanized, GEOMET, ZINC-NICKLE, DACROMATE etc. |
Key Features
- Quenched and tempered heat treatment
- Hardness range: 24-38 HRC
- Designed for high-temperature and high-pressure service
- Pairs with ASTM A193 Grade B7 bolts
Application industry
- Pressure vessels and boilers
- Valves, flanges, and fittings
- Petrochemical and refinery equipment
- Power generation facilities
data table
| Size | 1/4 | 5/16 | 3/8 | 7/16 | 1/2 | 9/16 | 5/8 | 3/4 | 7/8 | 1 | 1 1/8 | 1 1/4 | 1 3/8 | 1 1/2 | 1 5/8 | 1 3/4 | 1 7/8 | 2 | 2 1/4 | 2 1/2 | 2 3/4 | 3 | 3 1/4 | 3 1/2 | 3 3/4 | 4 |
| UNC | 20 | 18 | 16 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 7 | 6 | 6 | 6 | 5 | 6 | 4.5 | 4.5 | 4 | 4 | 4 | 4 | 4 | 4 | 4 |
| UNF | 28 | 24 | 24 | 20 | 20 | 18 | 18 | 16 | 14 | 12 | 12 | 12 | 12 | 12 | ||||||||||||
| s Min (inch) | 0.488 | 0.546 | 0.669 | 0.728 | 0.850 | 0.909 | 1.031 | 1.212 | 1.394 | 1.575 | 1.756 | 1.938 | 2.119 | 2.300 | 2.481 | 2.662 | 2.844 | 3.025 | 3.388 | 3.750 | 4.112 | 4.475 | 4.838 | 5.200 | 5.562 | 5.925 |
| s Max (inch) | 0.500 | 0.562 | 0.688 | 0.750 | 0.875 | 0.938 | 1.062 | 1.250 | 1.438 | 1.625 | 1.812 | 2.000 | 2.188 | 2.375 | 2.562 | 2.750 | 2.938 | 3.125 | 3.500 | 3.875 | 4.250 | 4.625 | 5.000 | 5.375 | 5.750 | 6.125 |
| e Min (inch) | 0.556 | 0.622 | 0.763 | 0.830 | 0.969 | 1.037 | 1.175 | 1.382 | 1.589 | 1.796 | 2.002 | 2.209 | 2.416 | 2.622 | 2.828 | 3.035 | 3.242 | 3.449 | 3.862 | 4.275 | 4.688 | 5.102 | 5.515 | 5.928 | 6.341 | 6.755 |
| e Max (inch) | 0.577 | 0.650 | 0.794 | 0.866 | 1.010 | 1.083 | 1.227 | 1.443 | 1.660 | 1.876 | 2.093 | 2.309 | 2.526 | 2.742 | 2.959 | 3.175 | 3.392 | 3.608 | 4.041 | 4.474 | 4.907 | 5.340 | 5.774 | 6.207 | 6.640 | 7.073 |
| m Min (inch) | 0.218 | 0.280 | 0.341 | 0.403 | 0.464 | 0.526 | 0.587 | 0.710 | 0.833 | 0.956 | 1.079 | 1.187 | 1.310 | 1.433 | 1.556 | 1.679 | 1.802 | 1.925 | 2.155 | 2.401 | 2.647 | 2.893 | 3.124 | 3.370 | 3.616 | 3.862 |
| m Max (inch) | 0.250 | 0.314 | 0.377 | 0.441 | 0.504 | 0.568 | 0.631 | 0.758 | 0.885 | 1.012 | 1.139 | 1.251 | 1.378 | 1.505 | 1.632 | 1.759 | 1.886 | 2.013 | 2.251 | 2.505 | 2.759 | 3.013 | 3.252 | 3.506 | 3.760 | 4.014 |
Hot Tags: astm a194 grade 2h heavy hex nuts, China astm a194 grade 2h heavy hex nuts manufacturers, suppliers, factory, ASME B18 2 2 Heavy Hex Nuts, ASTM A194 Grade 2H Heavy Hex Nuts, DIN 6915 Heavy Hex Nuts, heavy hex nuts, JIS B 1186 High Strength Hexagon Nuts
Previous:DIN 6915 Heavy Hex Nuts
You Might Also Like
Send Inquiry