Caliper Overseas is a reliable Super Duplex Steel S32750 Fasteners manufacturer and supplier in India providing high-quality custom-made products to suit strict industrial requirements. Super Duplex Steel S32750 fasteners, or UNS S32750, or ASTM A182 F53 are produced using a high-strength alloy with exceptional corrosion resistance particularly in severe conditions. These fasteners are produced in numerous types including bolts, nuts, screws, washers, and studs. Made of materials such as SAF 2507 (1.4410), they are available in a variety of sizes and lengths, with bright or buffed finishes. They are best used in applications that demand superior strength and durability.
These fasteners meet to specifications like ASTM A182, ASME SA182, DIN, and BS and provide a consistent performance. Their composition is a balanced blend of austenitic and ferritic structures which provides it with superior mechanical strength and crevice and pitting corrosion resistance. With solid packaging and exacting manufacturing we provide secure delivery and lasting performance. Contact us today for dependable fastening solutions.
Table Of Content
About Super Duplex Steel S32750 Fasteners
Super Duplex Steel S32750 Fasteners Specification
Equivalent Grades Of Super Duplex Steel S32750 Fasteners
Chemical Composition Of Super Duplex Steel S32750 Fasteners
Super Duplex Steel S32750 Fasteners Mechanical Properties
Stock Availability of Super Duplex Steel S32750 Fasteners
Super Duplex Steel S32750 Fasteners Ready Stock
Super Duplex Steel S32750 Fasteners Applications and Uses
Supply & Export Destinations of Super Duplex Steel S32750 Fasteners

| Standard | ASTM A479 / ASME SA479 |
| Bolt / Screw Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Nuts 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 |
| Threads | UNF, BSW, BSF, METRIC, UNC, or as required |
| Fasteners |
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| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Test Certificate | as per EN 10204 / 3.1 Manufacturer Test Certificate |
| Additional Certifications | PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Production Process | M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC |
| Types | Bolts, Nuts, Stud Bolts, Washers, Threaded Rod, Anchor Fasteners, Eye Bolt, Stud, Cotter Pin, Socket Screw, Fine Fasteners & Spares, Foundation Fasteners, Hexagon Castle Nuts, Hexagon Domed Cap Bolts, Hexagon Thin Nuts etc. |
| STANDARD | WERKSTOFF NR. | UNS |
| Super Duplex S32750 | 1.4462 | S32750 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| S32750 | 0.030 max | 2.00 max | 1.00 max | 0.030 max | 0.020 max | 22.0 – 23.0 | 3.0 – 3.5 | 4.50 – 6.50 | 0.14 – 0.20 | 63.72 min |
| Grades | Density (g/cm 3) | Density (lb/in 3) | Melting Point (°C) | Melting Point (°F) |
| S32750 | 7.805 | 0.285 | 1420 – 1465 | 2588 – 2669 |
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