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ASTM F880 S30300 Bolts, ASTM F880M Socket Head Cap Bolts, SS S30323 Bolts, F880 Slotted Headless-Set Screws Manufacturer in Mumbai, India.
Standard Specification for Stainless Steel Socket, Square Head, and Slotted Headless-Set Screws
This specification covers chemical, mechanical requirements for austenitic grade stainless steel socket set screws (SSS) for imperial sizes between 0.060 through 0.500 inch in two alloy condition, AF and CW. ASTM F880M is a metric companion to this specification cover the same products in metric size from M1.6 to M12. These stainless steel socket set screws are intended for use in applications where general corrosion resistance is required. BoltPort manufactures Socket Set Screws as per ASTM F880 under grades 303, 304, 304L, 316 and 316L primarily. All products are duly tested for chemical, mechanical requirements, threads and dimensions and supplied with EN 10204 Type 3.1 Certification.
ASTM F880 Chemical Requirements
| Composition, & maximum except as shown | ||||||||||
| UNS Designation | Alloy | Carbon | Manganese | Phosphorus | Sulfur | Silicon | Chromium | Nickel | Copper | Molybdenum |
| Austenitic Alloys | ||||||||||
| S30300 | 303A | 0.15 | 2.00 | 0.2 | 0.15 min | 1 | 17.0 - 19.0 | 8.0 - 10.0 | -- | 0.60 maxA |
| S30323 | 303se | 0.15 | 2.00 | 0.2 | 0.06 | 1 | 17.0 - 19.0 | 8.0 - 10.0 | -- | Se 0.15 min |
| S30400 | 304 | 0.08 | 2.00 | 0.045 | 0.03 | 1 | 18.0 - 20.0 | 8.0 - 10.5 | 1.00 | -- |
| A30403 | 304L | 0.03 | 2.00 | 0.045 | 0.030 | 1 | 18.0 - 20.0 | 8.0 - 12.0 | 1.00 | -- |
| S30500 | 305 | 0.12 | 2.00 | 0.045 | 0.03 | 1 | 17.0 - 19.0 | 10.5 - 13.0 | 1.00 | -- |
| S38400 | 384 | 0.08 | 2.00 | 0.045 | 0.030 | 1 | 15.0 - 17.0 | 17.0 - 19.0 | -- | -- |
| S20300 | XM1A | 0.08 | 5.00 to 6.50 | 0.400 | 0.18 to 0.35 | 1 | 16.0 - 18.0 | 5.0 - 6.5 | 1.75 - 2.25 | 0.50 maxA |
| S30430 | 18-9LW | 0.10 | 2.00 | 0.045 | 0.030 | 1 | 17.0 - 19.0 | 8.0 - 10.0 | 3.0 - 4.0 | -- |
| S30433 | 302HQ | 0.03 | 2.00 | 0.045 | 0.030 | 1 | 17.0 - 19.0 | 8.0 - 10.0 | 3.0 - 4.0 | -- |
| S31600 | 316 | 0.08 | 2.00 | 0.045 | 0.030 | 1 | 16.0 - 18.0 | 10.0 - 14.0 | -- | 2.0 - 3.0 |
| S31603 | 316 L | 0.03 | 2.00 | 0.045 | 0.030 | 1 | 16.0 - 18.0 | 10.0 - 14.0 | -- | 2.0 - 3.0 |
ASTM F880 Torsional Strength Requirements
| Nominal Screw Size | Shortest Nominal Screw Lengths Subject to Torque | Test Torque, in-lb, min | ||||
| Cup and Flat Points, mm | Cone and Oval Points | Half Dog Points, mm | AF | CW | ||
| 0 | 0.060 | 0.109 | 0.125 | 0.109 | 0.3 | 0.6 |
| 1 | 0.073 | 0.125 | 0.141 | 0.125 | 0.7 | 1.2 |
| 2 | 0.086 | 0.125 | 0.141 | 0.141 | 0.7 | 1.2 |
| 3 | 0.099 | 0.141 | 0.156 | 0.156 | 1.6 | 3.3 |
| 4 | 0.112 | 0.141 | 0.172 | 0.156 | 1.6 | 3.3 |
| 5 | 0.125 | 0.188 | 0.188 | 0.172 | 3 | 5 |
| 6 | 0.138 | 0.172 | 0.203 | 0.188 | 3 | 5 |
| 8 | 0.164 | 0.188 | 0.219 | 0.203 | 9 | 16 |
| 10 | 0.190 | 0.188 | 0.25 | 0.234 | 16 | 26 |
| 1/4" | 0.250 | 0.250 | 0.312 | 0.297 | 40 | 67 |
| 5/16" | 0.312 | 0.312 | 0.391 | 0.359 | 79 | 135 |
| 3/8" | 0.375 | 0.375 | 0.438 | 0.438 | 135 | 237 |
| 7/16" | 0.437 | 0.438 | 0.547 | 0.484 | 220 | 378 |
| 1/2" | 0.5 | 0.5 | 0.609 | 0.547 | 358 | 600 |
ASTM F880 Bolts Manufacturer, ASME F880 Bolts Supplier in India- ASME, DIN, AS, BS
Torq Bolt is a leading manufacturer and exporter of ASTM F880 fastenrs in India. Our inventory includes astm f880 stainless steel screws in many grades including 12 point Bolts threaded rod/bar, studs, double end studs, tap end studs, studbolts are readily available in all standard sizes and schedules.
