| Size | M2 to M100 |
|---|---|
| Type | Bolt, Nut, Screw, Washer, Rivet, Threaded Rod, Studs, Coated, Nails, Custom Fasteners |
| Standard | Din, Iso, Jis, Gb, Is, Bs, Astm |
| Length | 3-200mm |
| Material | Stainless Steel, Monel, Inconel, Incoloy, Hastelloy, Nickel, Silicon Bronze, Phosphor Bronze |
ASTM A453 Grade 660 Fastener Manufacturer in India
Neptune Alloys is the best ASTM A453 Grade 660 Fastener Manufacturer, offering high-temperature, high-strength fasteners engineered for performance in demanding environments. Made from austenitic stainless steel with elevated levels of nickel, chromium, and molybdenum, these fasteners are known for their creep resistance and excellent tensile properties. Manufactured in accordance with ASTM A453 and ASME SA453 specifications, Grade 660 fasteners are widely used in gas turbines, pressure vessels, heat exchangers, and nuclear power equipment.
Designed for critical B2B applications, our ASTM A453 Grade 660 Fasteners are available in Class A, B, C, and D conditions with options in bolts, nuts, studs, and washers. These fasteners are ideal for environments exposed to temperatures up to 704°C and provide long-term durability under cyclic loading. With ready stock, custom dimensions, and precision threading, our fasteners meet the logistical and structural demands of OEMs, energy projects, and engineering contractors worldwide.