3/8 1/2 ASTM A193 A194 Hex Metal Thin Nut B7 B8 GR 8 8M ASME B16.5 Hexagon Metal Nut
| Attribute | Value |
|---|---|
| Usage | Fastening |
| Style | Hexagon Metal Nuts |
| Size | Various sizes available |
| Head Style | Hexagon Metal thin Nuts |
| Strength | High |
| Finish | Plain |
| Manufacturer | JIA SHAN Hardward Company |
| Length | As customisation |
| Package | Small Packing+Carton Packing+Pallet |
| Standard | DIN |
| Package Quantity | 100 pieces |
| Shape | Self Tapping Screws |
| Measurement System | INCH, Metric |
| Port | Shenzhen |
| Quality | Inspection before shipment |
| Color | As customisation |
| Material | Stainless steel SUS304, 304L, 316L, 316, 316Ti, 410, 420, 317, 309, 305, 314, 321, 301, 202, 201, 310S, 309S, 2205 2507 904L, 2507, 904L, Inconel718,GH4169, GH3625, GH5188, C276 |
Hexagonal nuts are used in conjunction with screws and bolts to connect and fasten machine parts. The most widely used type is the 1-type six nuts, with C nuts used for applications where surface roughness and precision requirements are not critical. A and B nuts are used for more polished surfaces and higher precision requirements.
Type 2 hexagonal nuts are thicker and often used for applications requiring frequent assembly and disassembly. Thin hexagonal nuts are used where space is limited on the connected machine parts.
Hexagonal nuts are categorized by nominal thickness into Type I, Type II, and thin types. The design of hexagonal nuts provides excellent torque transmission capacity and can withstand large axial and radial loads.
- Construction: Used in steel structures, frames, and bridges to ensure stability and safety
- Mechanical Engineering: Fixes parts in automobiles, ships, aviation, and machine tools
- Electronics: Special hexagonal bolts ensure tightness and stability of components
- Home Maintenance: Used in furniture assembly and bicycle repairs
The 3/8 and 1/2-inch ASTM A193 A194 heavy-duty hex nuts are made from high-strength alloy steels (B7 and B8) offering exceptional tensile strength and fatigue resistance. These materials perform well under extreme pressures and high temperatures, making them ideal for oil/gas industries and high-performance engineering.
- High Strength: Withstands heavy loads and high-pressure environments
- Temperature Resistance: Maintains integrity under intense heat
- Corrosion Resistance: Excellent oxidation resistance, especially in B8 stainless steel
- Reliability: Meets ASTM A193 and A194 standards for demanding applications
Commonly used in power plants, refineries, petrochemical industries, and natural gas infrastructure. B7 steel is ideal for high-pressure, high-temperature environments, while B8 stainless steel is preferred where corrosion resistance is crucial.
| No. | C% | Cr% | Ni% | Mo% |
|---|---|---|---|---|
| 304 | 0.07 | 17.5-19.5 | 8.0-10.5 | / |
| 316 | 0.08 | 16.0-18.0 | 10.0-14.0 | 2.00-3.00 |
| 301 | 0.15 | 16.0-18.1 | 6-8 | / |
| 310 | 0.08 | 24-26 | 19-22 | / |
| 304L | 0.03 | 18-20 | 8-12 | / |
| 316L | 0.03 | 16-18 | 10-14 | 2-3 |
| 321 | 0.08 | 17-19 | 9-12 | / |
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