Harsh Metalloys is a well-known manufacturer and supplier of Stainless Steel 201 Fasteners, located in Mumbai, India. SS 201 is an austenitic stainless steel that combines chromium, nickel, and manganese, offering a cost-effective alternative to the more traditional 300-series stainless steels. These fasteners are known for their good strength, formability, and decent corrosion resistance, making them perfect for a variety of light to medium-duty fastening tasks. Harsh Metalloys provides SS 201 fasteners in different forms, including bolts, nuts, screws, studs, and washers, all adhering to international standards like ASTM, DIN, and ISO. They’re great for use in construction, automotive, and general industrial applications.
Stainless Steel 201 Fasteners are made up of about 16–18% chromium, 3.5–5.5% nickel, and 5.5–7.5% manganese, along with trace amounts of carbon, silicon, nitrogen, and phosphorus. These fasteners boast a tensile strength ranging from 515–750 MPa, a yield strength of around 275 MPa, and an elongation of 35–40%. While SS 201 fasteners are non-magnetic when annealed, they can become magnetic after cold working. They also offer good toughness at lower temperatures and moderate resistance to corrosion and oxidation, making them suitable for indoor use and mildly corrosive environments.
| Element | 201 |
| Carbon | 0.15 |
| Chromium | 16.0-18.0 |
| Nickel | 3.5-5.5 |
| Manganese | 5.50-7.50 |
| Silicon | 1.00 |
| Nitrogen | 0.25 |
| Phosphorus | 0.060 |
| Sulfur | 0.030 |
| Property | 201 |
| Yield Strength, min. (ksi) | 45 |
| Tensile Strength, min. (ksi) | 95 |
| Elongation, min. (%) | 40 |
| Hardness, max. (Rb) | 100 |
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Stainless Steel 201 Nuts offer moderate corrosion resistance and are ideal for applications where mild corrosion is expected. They come in various sizes, typically from M2 to M30, and are used to secure bolts and screws in assemblies.
These stud bolts provide good strength and moderate corrosion resistance, making them suitable for use in less aggressive environments. They are available in lengths ranging from 10 mm to 200 mm and diameters from M6 to M30. They are also used in bolted joints.
Stainless Steel 201 Bolts exhibit moderate resistance to corrosion, making them suitable for indoor and mild outdoor applications. They come in sizes ranging from M4 to M24 and lengths from 10 mm to 150 mm, which is ideal for various fastening needs.
Offering moderate corrosion resistance, Stainless Steel 201 threaded rods are used in various industrial and construction applications. They are available in diameters from M6 to M30 and lengths from 100 mm to 1000 mm, suitable for threaded connections.
Stainless Steel 201 screws provide moderate corrosion resistance and are used in applications where some exposure to moisture is expected. They come in sizes ranging from M2 to M20 and lengths from 5 mm to 100 mm, suitable for various fastening needs.
These washers offer moderate corrosion resistance and are used to distribute the load of a bolt or nut. They come in sizes from M4 to M30 and various thicknesses, used to prevent damage to the surface being fastened and ensure a secure fit.
Stainless Steel 201 Fasteners are a popular choice for a variety of applications, including automotive body parts, furniture, construction fittings, household appliances, and architectural projects. Their affordability and strong mechanical properties make them perfect for use in doors, windows, cladding systems, storage solutions, and light structural assemblies. You’ll also find them in railway coaches, kitchen equipment, electrical panels, and industrial fabrication where moderate corrosion resistance is sufficient. These fasteners shine in non-marine environments and indoor settings where you need a good balance of appearance, strength, and durability without the higher price tag of premium stainless steel. SS 201 fasteners offer a great mix of cost-effectiveness and reliability for all your general fastening needs.
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