Mbemba Stainless, based in Kinshasa, Congo, is a trusted manufacturer and supplier of Stainless Steel XM19 Nuts, offering exceptional quality and precision for demanding industrial applications. These nuts are known for their superior corrosion resistance, excellent strength, and long-lasting durability. Mbemba Stainless ensures that every product meets global quality standards, making them ideal for harsh environments such as marine, oil, and chemical industries. With advanced manufacturing techniques and a strong focus on reliability, the company delivers fastening solutions that perform efficiently under extreme pressures and temperatures.
Stainless Steel XM19 Nuts are composed of nitrogen-enhanced austenitic stainless steel containing chromium, nickel, molybdenum, and nitrogen. This composition provides outstanding resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, they exhibit high tensile and yield strength while maintaining good ductility and toughness, even at elevated temperatures. The combination of these elements ensures durability, non-magnetic behavior, and superior mechanical stability under severe operating 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.
These nuts are widely used in chemical processing, marine engineering, pulp and paper industries, desalination plants, and offshore structures. Their ability to resist corrosion in saltwater and acidic environments makes them ideal for coastal and underwater applications. They are also used in pumps, valves, pressure vessels, and heat exchangers where strength and reliability are essential. Due to their high resistance to wear and galling, Stainless Steel XM19 Nuts ensure secure fastening and long service life in critical assemblies.
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