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Gayatri Tubes is the leading manufacturer and supplier of the very good quality of SS 310 / 310S fasteners. SS310 and SS310S fasteners are designed according to the national and international product quality standards. These are appreciated because of various properties found in it like high quality and durability. As these fasteners can be used in high-temperature services, the usability of it has got increased. The content of chromium in these fasteners is contributing resistant to heat. Furthermore, SS 310S fasteners or WNR 1.4845 is used wherein the temperature reaches to 1100 deg C.
We meet the different needs of the clients are manufacturing and offering these SS S31000, S31008 Bolts at various standards, lengths, specifications, and sizes. Also, these UNS S31000 and UNS S31008 SS fasteners are manufactured in customized specifications according to the specific wants of the clients.These SS 310 / 310S fasteners are offered to the clients at various specifications. Some types include SS 310 socket screws, SS 1.4845 machine screws, SS 310 bolts, SS 310 self-tapping screws, SS 310S hexagon nut, SS 310S foundation bolts. Also, more types of fasteners available are 33 10 threaded bolts, AISI 310S nuts, SS 310 mushroom head square neck bolts, ASTM SS 310 U bolts, etc.
These fasteners today found its usability in some industrial applications. It is like carburizing boxes, oil burner parts, furnace parts, welding filler wire & electrodes, heat treatment basket & jigs, etc. Grade 310 SS or UNS S31000 is combining very good welding ability and ductility. Grade 310S SS or UNS S31008 is used in the applications that is involving damp corrodents into the temperature that ranges lower. The low content of carbon in it reduces high-temperature strength. SS 310 / 310S fasteners are well tested for assuring its quality and strength. The tests done on it are like hardiness test, pitting resistance test, macro-micro test, flattening-flaring test, etc. The documents offered to the clients with the product are fumigation certification, QAP, packaging list, heat treatment chart, third party test report and so on. These fasteners are carefully packed into carton boxes or in wooden boxes or as per customer demands for damage free shipping.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 310 | 1.4841 | S31000 | SUS 310 | 310S24 | 20Ch25N20S2 | - | X15CrNi25-20 |
| SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | - | X8CrNi25-21 |
| 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 | 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 310S | 0.08 max | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 - 26.00 | 0.75 max | 19.00 - 21.00 | 53.095 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 % |
