Fasteners are small yet important components that hold various structures together. Among the different materials used for fasteners, stainless steel is a popular choice because of its excellent corrosion resistance, durability, and strength. Stainless Steel 309 / 310 Fasteners are high-quality fasteners that offer excellent corrosion resistance, strength, and durability. Stainless Steel 309 is often used in high-temperature applications like furnace parts, heat exchangers, and kiln linings. Stainless Steel 310 is also used in high-temperature applications but has superior corrosion resistance.
Stainless Steel 309 Fasteners Features
Stainless Steel 309 is a high chromium and nickel austenitic stainless steel known for its excellent oxidation resistance. Stainless steel 309 is often used in high-temperature applications, such as furnace parts, heat exchangers, and kiln linings, because it can withstand temperatures up to 2,100°F. Its high chromium content provides excellent corrosion resistance, making it resistant to most oxidizing acids. Stainless Steel 309 fasteners offer high strength, excellent flexibility, and toughness, even at elevated temperatures.
Table Content
Stainless Steel 310 Fasteners Corrosion Resistance
Stainless Steel 310 is a high chromium and nickel austenitic stainless steel often used in high-temperature applications like Stainless Steel 309. It can withstand temperatures up to 2,100°F and has excellent oxidation resistance. Stainless Steel 310 has superior corrosion resistance and is resistant to most acids, especially at high temperatures. Stainless steel 310 fasteners are an excellent choice for high-temperature applications like heat exchangers, furnace parts, and kiln linings.
Stainless Steel 309 Fasteners Chemical Composition
Stainless Steel 309 has a chemical composition of 23% chromium, 14% nickel, 0.08% carbon, and 2% manganese. It also contains small amounts of sulfur, phosphorus, silicon, and nitrogen. The high amounts of chromium and nickel give stainless steel 309 excellent oxidation and corrosion resistance. The carbon content is kept low to prevent carbide precipitation when the material is exposed to high temperatures.
Stainless Steel 310 Fasteners Heat Treatment
Stainless Steel 310 is a heat-resistant alloy that requires proper heat treatment to optimize its properties. The alloy should be heated slowly to about 1,900°F to 2,100°F and soaked at that temperature. This process will dissolve any carbides in the material and improve its flexibility. The material is then cooled slowly to room temperature. It is essential to ensure that the cooling rate should not exceed 50°F per hour to avoid thermal stress cracking and distortion.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM F593, F594, A193, A194 / ASME SF593, F594, SA193, SA194 |
| Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Nuts Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Washers Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Machine Screws Size | M1.6 – M12 |
| Self Tapping Screw Size | No.2 – No. 14 |
| Length | 3 mm to 200 mm |
| Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Fasteners |
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| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production Process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Types | Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc. |
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Stainless Steel 310 Bolts
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202 Stainless Steel Nuts
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Stainless Steel 310 Washers
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310 Stainless Steel Screw
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310 Stainless Steel Stud Bolt
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202 SS U Bolts
- 309 Stainless Steel U Bolts
- SS 309 Dome Washer
- SS 309 Washers
- Stainless Steel 310 Nut Bolt
- ASME SF593 Stainless Steel 310 Fasteners
- 310 Stainless Steel Socket Set Screw
- SS 310 Anchor Fasteners
- SS 310 Eye Bolts
- Stainless Steel 309 Fasteners
- SS 310 Fasteners
- Stainless Steel 309 Carriage Bolts
- Stainless Steel 309 Washer
- Stainless Steel 309 Industrial Fasteners
- 309 Stainless Steel Fastener
- 310 Stainless Steel Fasteners
- 309 Stainless Steel Heavy Hex Bolts
- SS 310 Hex Head Bolt
- 310 Stainless Steel Square Nuts
- SS 310 Fasteners Price List
- Stainless Steel 309 Stud Bolts
- UNS S31000 Fasteners
- Stainless Steel 310 Structural Bolts
- UNS S30900 Fasteners
- UNS S31000 Fasteners
- Stainless Steel 310 Nyloc Nuts
- Stainless Steel 309 Spring Washer
- 309 Stainless Steel Bolts and Nuts
- SS 310 Self Tapping Screw
- Stainless Steel 309 Studs
- Stainless Steel 309 Flat Washers
- 310 Stainless Steel Coupling Nuts
- 310 Stainless Steel Ogee Washers
- SS 309 Acorn Nuts
- 310 Stainless Steel Heavy Hex Nuts
- Stainless Steel 309 Allen Cap Screw
- Thick Stainless Steel 310 Washers
- Stainless Steel 1.4828 Fastener
- 309 Self Locking Nuts
- 309 Stainless Steel Plain Washer
- 309 Stainless Steel Wing Nuts
- Stainless Steel 310 Threaded Rod
- Stainless Steel 1.4841 Fastener
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 309 | 1.4828 | S30900 | - | - | - | - | - |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | – | X15CrNi25-20 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
| SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 – 26.00 | 0.10 max | 19.00 – 21.00 | 54.7 min |
| SS 309 | 0.20 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 22.0 - 24.0 | - | 12.0 - 15.0 | Remainder |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
| - | - | 75 | 30 | 40 % |
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