Harsh Metalloys is a well-established manufacturer and supplier of Stainless Steel XM19 Bolts in Mumbai, India. Known for their superior strength, excellent corrosion resistance, and non-magnetic nature, XM19 bolts—also called Nitronic 50 bolts—are widely used in industries requiring high-performance fasteners. These bolts are ideal for marine, petrochemical, and pharmaceutical sectors due to their outstanding durability and reliability under harsh conditions. Harsh Metalloys ensures that every bolt meets international quality standards like ASTM, DIN, and ASME, offering customers precise dimensions, robust performance, and dependable service life across various critical applications.
Stainless Steel XM19 Bolts contain 20–23% chromium, 11–13% nickel, 4–6% manganese, 1.5–3% molybdenum, and 0.2–0.4% nitrogen. This advanced composition provides superior corrosion resistance, including resistance to pitting and stress corrosion cracking. The bolts exhibit tensile strengths over 100 ksi (690 MPa) and maintain excellent ductility and toughness even at elevated or cryogenic temperatures. Unlike other stainless steels, XM19 bolts remain non-magnetic after cold working and offer better mechanical performance than 316 or 317 grades, making them ideal for use in both structural and high-pressure applications.
Material | Specification | Standards | Size | Length |
Stainless Steel XM19 bolts | ANSI ,DIN,ASME,ASTM | ASTM / ASME – A/ SA 320 | M4-M100(1/4-4 inch) | M02 to M33 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| XM19 | 100 KSi | 55 KSi | 35% | 55% | 293 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
| XM19 | min. max. | – 0.06 | 4.0 6.0 | – 1.00 | – – | – – | 20.5 23.5 | – | 11.5 13.5 | – |
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XM19 eye bolts are designed to deliver exceptional strength and resist corrosion, making them perfect for lifting and rigging tasks in marine, offshore, and other harsh industrial settings.
With their smooth, tamper-resistant design, XM19 carriage bolts offer outstanding corrosion resistance, making them a great choice for structural, marine, and decorative projects that face tough conditions.
XM19 flange bolts come with a built-in washer that helps distribute loads more evenly, providing both strength and corrosion resistance in high-stress environments, whether industrial or marine.
For applications that demand high load capacity and top-notch corrosion resistance, XM19 heavy hex bolts are the go-to option, especially in offshore platforms, power plants, and chemical facilities.
Featuring flat, wide heads, XM19 elevator bolts ensure a secure fastening solution, offering both strength and corrosion resistance in conveyor systems and various industrial machinery.
Fully threaded for a secure fit in tapped holes, XM19 tap bolts provide excellent strength and corrosion resistance, making them ideal for demanding structural and mechanical applications.
Stainless Steel XM19 Bolts are used across a wide range of industries including marine engineering, chemical processing, power generation, pulp and paper, and wastewater treatment. Their corrosion-resistant properties make them especially suitable for saltwater applications, pump shafts, pressure vessels, and heat exchangers. These bolts are also favored in environments where non-magnetic fasteners are necessary, such as in sensitive electronic and medical equipment. Harsh Metalloys offers XM19 bolts in various sizes, threads, and custom finishes, ensuring reliable fastening solutions for both industrial maintenance and OEM manufacturing needs.
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