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Note: All data for information purpose only. For more details on product standards or dimensions or enquiry, please feel free to contact us at info@thefastenershouse.com
This ASTM F594 specification covers the requirements for stainless steel nuts 0.25 to 1.50 in., inclusive, in nominal diameter in a number of alloys in common use and intended for service applications requiring general corrosion resistance. Seven groups of stainless steel alloys are covered, including ten austenitic, two ferritic, four martensitic, and one precipitation hardening.
| Alloy Group | Alloy Designation | Alloy Type |
|---|---|---|
| 1 | 303, 304, 304L, 305, 384, XM1, 18-9LW, 302HQ, 303Se | Austenitic |
| 2 | 316, 316L | Austenitic |
| 3 | 321, 347 | Austenitic |
| 4 | 430, 430F | Ferritic |
| 5 | 410, 416, 416Se | Martensitic |
| 6 | 431 | Martensitic |
| 7 | 630 (17-4) | Precipitation Hardening |
Suitable bolts, hex cap screws, and studs for use with nuts included in this specification are covered by Specification F593. Unless otherwise specified, all bolts, hex cap screws, and studs used with these nuts shall conform to the requirements of Specification ASTM F593 and shall be of the same alloy group.
| Element | Alloy Group 1, Type 304 | Alloy Group 2, Type 316 |
|---|---|---|
| Carbon | 0.08% | 0.08% |
| Manganese | 2.00% | 2.00% |
| Phosphorus | 0.045% | 0.045% |
| Sulfur | 0.030% | 0.030% |
| Silicon | 1.00% | 1.00% |
| Chromium | 18.0 to 20.0% | 16.0 to 18.0% |
| Nickel | 8.0 to 10.5% | 10.0 to 14.0% |
| Copper | 1.00% | |
| Molybdenum | 2.00 to 3.00% |
All-Pro Threaded manufactures ASTM F594 nuts in all diameters in house and can meet your specific delivery schedule domestically or internationally on the specialty nuts.
| Alloy Group | Condition | Marking | Diameter Range | Proof Stress, Hex Nuts, ksi | Proof Stress, Heavy Hex Nuts, ksi | Rockwell Hardness |
|---|---|---|---|---|---|---|
| 1 | AF | F594A | 1/4 to 1-1/2 | 70 | 76 | B85 max |
| A | F594B | 1/4 to 1-1/2 | 75 | 81 | B65 to 95 | |
| CW1 | F594C | 1/4 to 5/8 | 100 | 108 | B95 to C32 | |
| CW2 | F594D | 3/4 to 1-1/2 | 85 | 92 | B80 to C32 | |
| 2 | AF | F594E | 1/4 to 1-1/2 | 70 | 76 | B85 max |
| A | F594F | 1/4 to 1-1/2 | 75 | 81 | B65 to 95 | |
| CW1 | F594G | 1/4 to 5/8 | 100 | 108 | B95 to C32 | |
| CW2 | F594H | 3/4 to 1-1/2 | 85 | 92 | B80 to C32 |
ASTM F594 nuts are standardized fasteners made from various corrosion-resistant stainless steel alloys. These nuts are designed for use with ASTM F593 stainless steel bolts in corrosive environments where protection against rust and corrosion is necessary.
ASTM F594 Nuts find applications across a wide range of industries and scenarios where secure fastening with a low-profile head is required. Here are some common applications:
Machinery and Equipment Assembly: DIN 912 screws are extensively used in machinery and equipment assembly, including automotive, aerospace, and manufacturing sectors. They are ideal for securing components in tight spaces or where clearance is limited, such as engine compartments, gearboxes, and machinery frames.
Electronics and Electrical Equipment: These screws are employed in the assembly of electronic devices, appliances, and electrical equipment. They provide a secure and flush mounting solution for components likASTM F594 nuts have various applications across industries where corrosion resistance is paramount. Here are some common applications:
Marine Industry: ASTM F594 nuts are extensively used in marine environments due to their corrosion-resistant properties. They secure fittings, fasteners, and structural components on ships, boats, offshore platforms, and marine structures.
Chemical Processing Plants: In chemical processing facilities, where exposure to corrosive chemicals is prevalent, ASTM F594 nuts are utilized. They secure equipment, piping, and valves, ensuring reliable and corrosion-resistant connections.
Oil and Gas Industry: These nuts find application in the oil and gas sector, particularly in offshore drilling rigs and production platforms. They secure critical components in harsh environments, including wellheads, pipelines, and processing equipment.
Water Treatment Facilities: ASTM F594 nuts are used in water treatment plants to secure equipment and piping systems. Their corrosion-resistant properties make them suitable for use in contact with treated water and various chemicals used in water treatment processes.
Food Processing and Pharmaceutical Industries: In environments requiring hygienic conditions, such as food processing and pharmaceutical plants, ASTM F594 nuts are employed. They secure equipment and machinery where corrosion resistance and cleanliness are essential.
Construction and Infrastructure: These nuts find applications in construction and infrastructure projects exposed to corrosive elements. They are used in bridges, coastal structures, and industrial buildings where protection against corrosion is necessary for long-term durability.
Utilities and Renewable Energy: ASTM F594 nuts are used in utility infrastructure and renewable energy projects. They secure components in power generation facilities, transmission towers, and renewable energy installations exposed to environmental elements.
Overall, ASTM F594 nuts are crucial components in various industries where corrosion resistance, durability, and reliability are paramount for ensuring safety and longevity of installations and structures.
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Africa - Ghana, South Africa
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