Nakamura Stainless, a well-respected manufacturer and supplier based in Pulau Ujong, Singapore, proudly offers a top-notch selection of stainless steel fasteners that are built to last and perform exceptionally. Among these offerings, the Stainless Steel 201 Nuts stand out as reliable fastening solutions for a variety of industries. Crafted from SS 201, a low-nickel, high-manganese austenitic alloy, these nuts deliver impressive strength, hardness, and corrosion resistance without breaking the bank. With their solid toughness and wear resistance, they’re perfect for structural, mechanical, and decorative uses. Precision-engineered to meet international standards, SS 201 Nuts guarantee secure connections in construction, automotive, marine, and general engineering projects.
Stainless Steel 201 Nuts are made up of 16–18% chromium, 3.5–5.5% nickel, 5.5–7.5% manganese, along with trace amounts of nitrogen and carbon. This unique blend ensures they have moderate corrosion resistance, high strength, and excellent formability. On the mechanical side, SS 201 Nuts boast high tensile strength, good hardness, and wear resistance, making them ideal for tough environments. They maintain their toughness even in colder temperatures and provide solid fatigue strength. While they may not be as corrosion-resistant as SS 304 or SS 316, their affordability and durability make them a go-to choice for many structural and fastening needs.
| 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.
Nakamura 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.
Stainless steel 201 nuts are widely used in applications requiring moderate corrosion resistance and high durability. It is commonly used in the automotive industry for the protection of raw materials, in construction applications for joining metal parts, and in the manufacture of kitchen utensils and appliances in addition to being fit for use in the manufacture of locomotives, passenger cars and industrial machinery. Their combination of strength, affordability and low environmental resistance makes them a viable choice for a variety of industrial and commercial applications
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