Product Description:
ASTM A194 Grade 2H Tommy nut is designed to provide high-strength, reliable fastening solutions in various industrial applications, particularly in heavy-duty construction and infrastructure projects.
ASTM A194 2H: Forms
Guangyuan Manufacture | |
Imperial Nuts – Heavy and Normal Series – Including ANSI B18.2.2 | ✓ |
Metric Nuts – Regular and High types – Including DIN 934 H=D, ISO | ✓ |
ASTM A194: Threads
Guangyuan Manufacture | |
Metric Coarse | ✓ |
Metric Fine | ✓ |
Imperial UNC | ✓ |
Imperial 8UN | ✓ |
Imperial UNF | ✓ |
ASTM A194: Size
Metirc size available | M12-M120 |
Imperial sizes available | 1/2” - 4” |
ASTM A194 2H: Chemical Composition
Carbon | 0.40% | Min |
Manganese | 1.00% | Max |
Phosphorus | 0.040% | Max |
Sulfur | 0.05% | Max |
Silicon | 0.40% | Max |
Chromium | - | - |
Nickel | - | - |
Molybdenum | - | - |
Copper | - | - |
Niobium | - | - |
Titanium | - | - |
Vanadium | - | - |
Aluminium | - | - |
Nitrogen | - | - |
Mechanical Properties
Proof Load | Hardness | |
Up to 1-1/2” (M36) | ASTM A194 Tables 3&4 | 248 |
Over 1-1/2” (M36) | N/A | 248 |
Applications:
1. Designed for use in high-pressure and high-temperature environments such as in oil and gas, chemical processing, and power generation industries.
2. Suitable for heavy-duty bolting applications where reliability and strength are essential.
3. Often used in conjunction with ASTM A193 Grade B7 bolts for secure fastening in critical structural assemblies.
4. Ideal for flange connections in pipelines, pressure vessels, and other industrial equipment.
Packing and Shipping:
The transportation conditions for the products include the following three packaging options:
1. Customized cartons or other external packaging.
2. Cartons and wooden pallet packaging
3. Barrel and wooden pallet packaging.
These options can be chosen based on customer requirements and the characteristics of the products to ensure safe delivery to the destination during transportation.