Andre Stainless is a reliable manufacturer and supplier of Stainless Steel 201 Nuts based in Pulau Ujong, Singapore. They provide top-notch fastening solutions suitable for a variety of industrial and commercial uses. Renowned for their precision in manufacturing and consistent product quality, Andre Stainless offers durable, cost-effective, and corrosion-resistant 201-grade stainless steel nuts that comply with international standards. With a solid foothold in the Singapore market and a strong focus on customer satisfaction, they cater to industries like construction, automotive, infrastructure, and manufacturing, supplying both standard and custom-sized Stainless Steel 201 Nuts.
The Stainless Steel 201 Nuts produced by Andre Stainless are primarily made up of chromium (16–18%), nickel (3.5–5.5%), manganese, and nitrogen, featuring a lower nickel content to keep costs down. These nuts boast impressive mechanical strength, with a tensile strength of around 520 MPa and a yield strength of about 275 MPa. They also show moderate resistance to corrosion, particularly in low to mildly corrosive settings, while offering good formability and toughness.
| Specifications | ASTM A193 ASME SA193 / ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
| Standard | DIN, ASTM, BS and all International Standards |
| Bolts Size | 3 mm to 200 mm | Custom Sizes |
| Nut Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| 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 Ideal for general packaging purposes, these boards offer moderate corrosion resistance and durability. Available in sizes from M6 to M36, they are commonly used in automotive and construction kitchen machinery.
These Nuts are designed to connect the threaded rods together, providing a strong and durable connection. Available in sizes from M6 to M36, they are suitable for use in pipeline systems, machine assembly and construction projects.
Featuring a nylon insert for secure fastening, these nuts offer vibration resistance. Available in sizes from M6 to M24, they are perfect for vehicle, machinery and equipment applications, preventing slack in dynamic situations.
With integrated flanges for additional support, these nuts increase weight distribution and provide rigidity. Available in sizes from M6 to M24, they are ideal for heavy equipment and construction work.
Providing excellent strength for hard surfaces, these SS 210 Heavy Hex nuts are designed for high-stress environments. Available in sizes from M6 to M36, they are perfect for use in industrial machinery, boilers and heavy equipment.
Providing a large surface area for efficient torque application, this rectangular shape ensures a tight fit in tight spaces. Available in sizes from M6 to M24, they are ideal for industrial machinery and construction applications.
Andre Stainless stands out as a supplier of superior quality material subjected to rigorous test procedures for the performance of such material at its optimum level. Our hardness tests, spectrochemical analysis, PMI testing, micro and macro testing, flaring, pitting resistance, and IGC tests ensure that we have the highest quality materials for our customers. Along with this commitment to excellence, we provide our clients with all the essential documentation, such as commercial invoices, packaging lists with precise net and gross weights, box numbers, and labels. A legalized or attested Certificate of Origin, along with a Third-Party Inspection Certificate, ensures complete transparency and 100% client satisfaction in our nuts pricing.
You’ll find Stainless Steel 201 Nuts from Andre Stainless in a variety of applications where strength and affordability are essential. They’re commonly used in furniture manufacturing, railings, kitchen equipment, automotive assemblies, and general fastening needs in construction and light engineering. Their durability and wear resistance make them perfect for indoor and mildly corrosive environments. Plus, their excellent formability allows for mass production and use in non-critical structural applications, making them a practical and budget-friendly alternative to higher-grade stainless steel fasteners.







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