When it comes to industrial hardware, fasteners are an essential component. However, not all fasteners are created equal. Some are made of unique materials with different characteristics, including greater durability, corrosion resistance, and strength. One such material is Nitronic 50/XM-19 stainless steel, a high-performance alloy designed for harsh environments.
Nitronic 50 Fasteners
Nitronic 50 is a high-strength, austenitic stainless steel designed to withstand extreme conditions. Its unique properties make it ideal for use in aerospace, chemical processing, and marine engineering industries. Nitronic 50 Fasteners have excellent corrosion resistance, strength, and workability, making them ideal for use in harsh environments. They offer superior strength and toughness at cryogenic and elevated temperatures, making them suitable for extreme environments.
Table Content
Corrosion Resistance of XM-19 Fasteners
One of the essential features of Nitronic 50/XM-19 fasteners is their exceptional corrosion resistance. They exhibit excellent resistance to pitting, crevices, and general corrosion in harsh environments. They are highly resistant to stress corrosion cracking (SCC) in natural environments and corrosive solutions such as chlorides, nitrates, and sulfides. They also have excellent resistance to intergranular corrosion (IGC) due to their low carbon content and high nickel, chromium, and molybdenum levels.
Chemical Composition of Nitronic 50 Fasteners
Nitronic 50 has a unique chemical composition that gives it its unique properties. It is austenitic stainless steel that contains 20-23% chromium, 11-13% nickel, and 4-6% manganese. It also contains 1.5-3% molybdenum, 0.1-0.3% nitrogen, and small amounts of silicon, copper, phosphorus, and sulfur. Its low carbon content (less than 0.03%) gives it excellent resistance to intergranular corrosion and increases its toughness and flexibility.
Heat Treatment of XM-19 Fasteners
Nitronic 50/XM-19 fasteners are made using a variety of heat treatments. One common heat treatment is annealing, performed at temperatures of 1950-2150°F (1066-1177°C) and followed by rapid cooling. This process increases the alloy's ductility and toughness, making it more cracking-resistant. Nitronic 50/XM-19 can also be cold-worked to produce high-strength fasteners, further enhancing its strength, corrosion resistance, and durability.
Forging or Forming & Machining
Hole Drilling & Surface Treatment
Quality Control & Marking, Identification
Final Inspection and Packaging
| Standard | ASTM F593, F594, A193, A194 / ASME SF593, F594, SA193, SA194 |
| 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. |
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Nitronic 50 Bolts
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Nitronic 50 Nuts
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Nitronic 50 Washers
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Nitronic 50 Screw
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Nitronic 50 Stud Bolt
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Nitronic 50 U Bolts
- Nitronic Alloy 50 Eye Bolts
- Nitronic® Alloy 50 Heavy Hex Bolts
- Nitronic 1.3964 Fasteners
- Nitronic 50 Stainless Steel Washer
- Stainless Steel Nitronic 50 U Bolts
- Nitronic XM-19 Socket Set Screw
- Stainless Steel Nitronic 50 Square Nuts
- Nitronic 50 Nut Bolt
- Stainless Steel Nitronic 50 Carriage Bolts
- Nitronic 50 Washers
- Nitronic XM-19 Hex Head Bolt
- SS Nitronic 50 Anchor Fasteners
- Stainless Steel Nitronic 50 Double Ended Studs
- Nitronic 50 Dome Washer
- ASME SF593 Nitronic 50 Fasteners
- UNS S20910 Fasteners
- Nitronic 50 Industrial Fasteners
- Stainless Steel Nitronic 50 Allen Cap Screw
- Nitronic XM-19 Structural Bolts
- SS Nitronic 50 Plain Washer
- Nitronic 50 Allen Cap Screw
- Nitronic® Alloy 50 Self Locking Nuts
- Nitronic 50 Flat Washers
- Nitronic 50 Stainless Steel Heavy Hex Nuts
- Nitronic 50 Studs
- Nitronic XM-19 Coupling Nuts
- Nitronic 50 Ogee Washers
- Nitronic 50 Stainless Steel Spring Washer
- Nitronic 50 Threaded Rod
- Nitronic 50 Wing Nuts
- Nitronic Alloy 50 Thick Washers
- Nitronic XM-19 Self Tapping Screw
- Nitronic 50 Stainless Steel Acorn Nuts
- Nitronic 50 Stud Bolts
| STANDARD | WERKSTOFF NR. | UNS |
| Nitronic 50 | 1.3964 | S20910 |
| Weight% | C | P | Si | Ni | Nb (Cb) | N | Mn | S | Cr | Mo | V | Fe |
| Nitronic 50 | 0.06 max | 0.040 max | 1.00 | 11.5-13.5 | 0.10-0.30 | 0.20-0.40 | 4-6 | 0.030 max | 20.5-23.5 | 1.5-3.0 | 0.10-0.30 | Bal |
| Alloy | Condition | Tensile of Strength (ksi) | Yield Strength (ksi) | Elongation (%) |
Reduction of Area % | Hardness HRC |
| Nitronic 50 | Annealed AMS 5764 | 100 | 55 | 35 | 55 | >20 |
| Material is annealed at 1065°C to 1120°C (1950°F to 2050°F) | ||||||
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