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Product Overview
SS 310 / 310S studs are high-temperature austenitic stainless steel fasteners manufactured from UNS S31000 (310) or UNS S31008 (310S) bar stock, conforming to ASTM A276 or ASTM A479. These studs are engineered for exceptional oxidation resistance and mechanical strength at elevated temperatures up to 1100°C, making them ideal for furnace, heat exchanger, and petrochemical applications.
SS 310S is the low-carbon version of SS 310, offering improved weldability and reduced risk of sensitization during high-temperature service. Both grades provide superior resistance to sulfidation, carburization, and thermal cycling, outperforming standard 304/316 stainless steel in aggressive heat environments.
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Technical Data
Mechanical Properties & Torque Reference
Per DIN 976 (full thread) / DIN 975 (threaded rod) / ASME B16.5 (stud bolts for flanges). Custom cut lengths available in 5mm increments. Inch dimensions per ASME B18.31.2.
Material Chemistry
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Fastener Performance
| Standard | Covers | Thread |
|---|---|---|
| DIN 976 | Stud bolts, full thread | Metric |
| DIN 975 | Threaded rods, full thread | Metric |
| ASME B16.5 | Stud bolts for flanges | UNC |
| ASME B18.31.2 | Continuous thread studs | UNC/UNF |
| ISO 898-1 | Mechanical properties | Metric |
| Material Standard | Requirement |
|---|---|
| ASTM A276 | Bar/rod - UNS S31000/S31008 |
| ASTM A479 | Fastener mechanical |
| EN 10204 3.1 | Mill test certificate |
| EN 10204 3.2 | TPI-witnessed MTC |
Industry Applications
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