Harsh Metalloys, a well-respected manufacturer and supplier located in Mumbai, India, specializes in high-quality Stainless Steel 436 Fasteners designed for industrial applications that require heat resistance, formability, and excellent corrosion performance. Grade 436 is a ferritic stainless steel that’s stabilized with molybdenum and columbium (niobium), which boosts its resistance to oxidation, thermal fatigue, and corrosion. Our range of fasteners — including bolts, nuts, washers, screws, and studs — is crafted to meet international standards like ASTM, ASME, and DIN. These fasteners are perfect for automotive exhaust systems, heat exchangers, and other high-temperature industrial settings where dependable mechanical fastening is essential.
Stainless Steel 436 Fasteners are made up of about 16–18% Chromium, along with 0.75–1.25% Molybdenum and stabilization elements such as Niobium (Columbium). We keep the carbon content low to enhance weldability and corrosion resistance. These fasteners show moderate tensile strength (typically ranging from 415–550 MPa) and good ductility. SS 436 provides outstanding resistance to oxidation and corrosion in mildly acidic or chloride-rich environments, while also maintaining its mechanical integrity under high-temperature conditions. The addition of molybdenum improves pitting resistance, and niobium stabilization helps reduce intergranular corrosion, making them ideal for challenging automotive and industrial applications.
| 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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Stainless Steel 436 Nuts offer good corrosion resistance, particularly in mildly acidic environments. They come in various sizes, typically from M3 to M30, and can be used in temperatures up to 800°F (427°C). These nuts are designed for general assembly applications.
Stainless Steel 436 Stud Bolts provide moderate corrosion resistance and are ideal for high-temperature applications. They are available in sizes ranging from M6 to M36 and lengths from 50 mm to 500 mm. Their durability ensures reliability in various mechanical and structural applications.
These Bolts exhibit good resistance to oxidation and corrosion. They are available in sizes from M5 to M36 and lengths up to 200 mm. Suitable for indoor and outdoor environments, Stainless Steel 436 Bolts are used in various engineering and construction applications.
Offering decent corrosion resistance, Stainless Steel 436 threaded rods come in sizes from M6 to M30 with lengths varying from 100 mm to 1000 mm. They are commonly used in construction and machinery for fastening and support applications.
These screws are moderately resistant to corrosion and are used in environments where mild corrosion is a concern. They are available in sizes from M3 to M12 and lengths up to 100 mm. It is ideal for applications requiring robust mechanical fasteners.
Stainless Steel 436 washers provide moderate corrosion resistance and come in various sizes from M3 to M30. They are used to distribute loads and prevent damage to surfaces. Their durability makes them suitable for both industrial and commercial applications.
Our documentation validates the authenticity and quality of our products, ensuring peace of mind for our valued clients. For our Stainless Steel 436 Fasteners, we provide a range of test certificates, including MTC as per EN 10204/3.1b, PMI Test Certificate, 100% Radiography Test Report and Third-Party Inspection Certificate. These certifications demonstrate our dedication to product excellence and client satisfaction.
Stainless Steel 436 Fasteners are a popular choice for high-temperature and mildly corrosive environments, especially in the automotive sector. Their ability to withstand thermal cycling and oxidation makes them perfect for securing parts in exhaust systems, catalytic converters, mufflers, and engine components. But they don’t stop there; these fasteners are also used in heat exchangers, industrial ovens, food processing machinery, and architectural structures that face environmental challenges. Thanks to their excellent formability and weldability, they shine in fabrication-heavy projects. Plus, SS 436 fasteners offer a dependable and budget-friendly option compared to pricier stainless grades, all while delivering the mechanical strength and corrosion resistance needed in demanding applications.
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