Weston Stainless, Midland, UK, is a renowned supplier of quality stainless steel items with reliable solutions for industrial fastening requirements. One of its products, Stainless Steel 436 Nuts, is a ferritic stainless steel fastener characterized by high corrosion resistance, heat stability, and machinability. Produced using Grade 436 stainless steel, these nuts are in different forms, such as hex, square, and flange nuts, to provide a range of versatile applications. With higher chromium and molybdenum composition, Stainless Steel 436 Nuts have better resistance to oxidation, stress corrosion cracking, and wear, suitable for severe environment applications that need strength and long life.
Stainless Steel 436 Nuts contain iron, chromium (16.0-18.0%), molybdenum (0.75-1.25%), carbon (0.12% maximum), manganese (1.0% maximum), and silicon (1.0% maximum), enhancing corrosion and heat resistance. These nuts have a tensile strength of about 450 MPa, yield strength of 280 MPa, and elongation of about 22%. Having a density of 7.7 g/cm³ and a melting point of about 1480°C, they possess good thermal conductivity and moderate hardness in the range of 85-90 HRB. Due to their better mechanical properties, they are ideal for use in high–strength and durable applications.
| Property | 436 Data |
| Density, lb/in3 | 0.276 |
| Modulus of Elasticity, psi | 29.0 x 106 |
| Coefficient of Thermal Expansion, 68-212˚F, /˚F | 5.6 x 10-6 |
| Thermal Conductivity, Btu/ft hr ˚F | 13.0 |
| Specific Heat, Btu/lb ˚F | 0.11 |
| Electrical Resistivity, Microohm-in | 23.6 |
| Element | 436 |
| Carbon | 0.12 |
| Chromium | 16.0-18.0 |
| Molybdenum | 0.75-1.25 |
| Manganese | 1.00 |
| Silicon | 1.00 |
| Phosphorus | 0.040 |
| Sulfur | 0.030 |
| Property | 436 |
| Yield Strength, min. (ksi) | 40 |
| Tensile Strength, min. (ksi) | 65 |
| Elongation, min. (%) | 20 |
| Hardness, max. (Rb) | 90 |
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A corrosion-resistant product, Stainless Steel 436 nuts are available in sizes ranging from M6 to M64. They offer excellent resistance to corrosion and heat, making them suitable for automotive exhaust systems and chemical processing equipment.
A corrosion-resistant product, Stainless Steel 436 coupling nuts come in sizes from M6 to M36. They connect two male threads with robust performance in moderately corrosive and high-temperature environments, ideal for extended threaded connections.
A corrosion-resistant product, Stainless Steel 436 nylon insert nuts, or lock nuts, are available in sizes from M3 to M36. The nylon insert prevents loosening due to vibration, providing secure fastening in automotive and industrial applications.
A corrosion-resistant product, Stainless Steel 436 flange hex nuts feature an integrated flange and are available in sizes from M5 to M20. They distribute the load over a larger area, enhancing stability and durability in corrosive and high-temperature environments.
A corrosion-resistant product, Stainless Steel 436 heavy hex nuts are available in sizes from M10 to M48. Their thicker and larger design offers increased strength and stability, suitable for heavy-duty applications and high-temperature environments.
A corrosion-resistant product, Stainless Steel 436 square nuts provide a larger contact surface and come in sizes from M6 to M30. They are ideal for use in heavy clamping applications and environments where stability and corrosion resistance are critical.
Stainless Steel 436 Nuts find extensive application in automotive, construction, and manufacturing sectors because of their superior high-temperature and corrosion resistance. They are typically utilized in exhaust systems, heat exchangers, and furnace parts where thermal stability is important. They are also utilized in petrochemical facilities, food processing machinery, and marine applications because of their corrosion resistance to chlorides. Their higher strength and resistance to oxidation qualify them to fasten elements in heavy equipment, providing dependable long-term use in high-stress applications.
Stainless Steel 436 Nuts are delivered with necessary test certificates, such as material test reports (MTR), third-party inspection reports, and EN 10204 3.1 certification to adhere to industry standards. They are packaged safely with wooden crates, cartons, or plastic-wrapped bundles to avoid damage during shipping. On-time and secure delivery ensures that customers obtain their products in the best possible condition, with optional customized packaging arrangements to fulfill individual industry demands without compromising on product integrity and quality assurance.
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