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Gayatri Tubes is the reliable manufacturer and supplier of SS 310H fasteners to the national and international clients. These fasteners are designed according to the set industrial product quality standards (ASTM, ASME, JIS, etc). The product is offered to the clients is varying in terms of specifications, sizes, finishes, dimensions, lengths, and threads. Also, the customized fasteners are available to the clients to ensure that the specific application demands are fulfilled. These SS 310H fastenersare globally appreciated for their properties like high tensile strength, durability, rust resistance, hold high temperature, hold high pressure, non-corrosiveness, good formability, high mechanical stresses resistance, etc. SS UNS S31009 Fasteners are demanded by various applications like heat exchangers, chemical & fuel tankers, petrochemical plants, chemical plants, instrumentation tubes, food processing, and general engineering, etc.
SS 310H (nuts/bolts) are regarded as the standard marine grade SS but this is not warm seawater resistant. SS310H hex head bolts are having very good resistance to oxidation in intermittent service to 870 Deg C and 925 deg C at continuous services. The continuous use of SS 310H hex head nut in the temperature range of 425-860 deg C isn’t suggested as succeeding aqueous resistant to corrosion is important. SS 310H square bolts are exhibiting surface corrosion, wherein it is noticeable as brown staining. SS 310H Bolts with the high content of carbon are having application at the elevated temperature. Molybdenum provides SS 310H eye bolts with very well resistant to corrosion properties. Also, it is having pitting and crevice corrosion at chloride-containing atmosphere resistance ability. SS 310H U bolts are providing very good toughness even at several temperatures in filed like industrial, architecture and transportation. SS 310H T bolts are developed for offering a very good combination of properties like superior corrosion resistance temperature, high strength, and heat resistance.
Stainless Steel 310H Nuts are tested before shipped to the clients. The tests done on it is including PMI test, IGC tests, toughness test, flattening-flaring test, micro-macro test, mechanical-chemical tests and many more. The documents attached and offered are fumigation certificate, packaging list, heat treatment chart, QAP, MTC-EN 10204/3.1b, radiography test report, third party test report, etc.
| STANDARD | WERKSTOFF NR. | UNS |
| SS 310H | 1.4845 | S31009 |
| Specifications | ASTM F593, F1554 / ASME SF593, F594, F1554 |
| Standard | DIN, ASTM, BS and all International Standards |
| Nuts Size | M3 - M56 | 3/6" to 2" | Custom Sizes |
| Bolt / Screw 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 |
| Grade | C | Mn | Si | P | S | Cr | Ni | Fe |
| SS 310H | 0.04 - 0.10 | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 - 26.00 | 19.00 - 21.00 | 53.885 min |
| 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 % |
