Vinit Stainless is a leading manufacturer and supplier of high-performance Stainless Steel XM19 Nuts in Chennai, India. Supplementing our line of stud bolts, these nuts are carefully designed and manufactured from the cutting-edge XM19 alloy to deliver outstanding strength and matchless corrosion resistance. To offer secure and durable fastenings in the most challenging industrial uses, our XM19 nuts maintain the highest quality and dependability standards. We are committed to providing precision-engineered solutions that satisfy the stringent demands of a wide range of industries, ensuring the integrity and longevity of mission-critical assemblies.
Stainless Steel XM19 (or Nitronic 50 or UNS S20910) nuts owe their superior properties to a rigorously balanced composition. Major components are 20.5-23.5% Chromium, 11.5-13.5% Nickel, 4.0-6.0% Manganese, 1.5-3.0% Molybdenum, and an important addition of 0.20-0.40% Nitrogen. This combination produces excellent mechanical properties, such as a high tensile strength (usually in excess of 690 MPa or 100 ksi) and a considerable yield strength (in excess of 380 MPa or 55 ksi). XM19 nuts are also highly ductile, tough, and resistant to sensitization, retaining their strength even under harsh conditions.
Material | Specification | Standards | Size | Length |
Stainless Steel XM19 Nuts | ANSI ,DIN,ASME,ASTM | ASTM / ASME – A/ SA 320 | M4-M100(1/4-4 inch) | M02 to M33 |
| 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 | 1.5-3 | 11.5 13.5 | – |
| 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 |
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Stainless Steel XM19 nuts offer superior strength, corrosion resistance, and durability, ideal for harsh environments and high-stress applications. Their precision and reliability make them essential for demanding engineering and construction projects.
Stainless Steel XM19 Flex Lock Nuts feature a unique design that prevents loosening under vibration. They offer exceptional strength, corrosion resistance, and durability, making them perfect for high-stress applications.
Stainless Steel XM19 K Lock Nuts provide excellent resistance to loosening due to vibrations and dynamic loads. They combine high strength, corrosion resistance, and durability, ideal for demanding and critical applications.
SS XM19 High Nuts offer robust performance with superior corrosion resistance and strength. Their extended height enhances grip and stability in critical applications, making them ideal for demanding and high-stress environments.
XM19 SS Serrated Flange Nuts feature a serrated flange that grips surfaces firmly, preventing loosening under vibration. They provide exceptional strength, corrosion resistance, and stability, ideal for high-stress and dynamic applications
We uphold stringent quality standards for our Stainless Steel XM19 Nuts, subjecting them to rigorous testing. Our extensive tests encompass the Hardness Test, Chemical Analysis via Spector Analysis, PMI Testing, Flattening Test, Micro and Macro Tests, Pitting Resistance Test, Flaring Test, and Intergranular Corrosion (IGC) Test. Commercial invoice, packaging list, Certificate of Origin and Guarantee Letter accompany our nuts. For added assurance, we offer third-party inspection certificates, validating the excellence and suitability of our Stainless Steel XM19 Nuts across various applications and ensuring client satisfaction.
Stainless Steel XM19 Nuts are unbeatable in environments where ordinary fasteners would fail rapidly because of their remarkable strength, galling resistance, and superior resistance to corrosion. They are widely applied in marine hardware, shipbuilding, and offshore oil and gas sectors, successfully resisting saltwater and chloride-induced corrosion. In addition, they play a critical role in chemical processing plants, petrochemical plants, and nuclear power generation, where contact with hostile chemicals and high temperatures is not uncommon. Their non-magnetic features and strength retention at cryogenic temperatures make them particularly suitable for specialized applications in medical devices, aerospace, and the military.
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