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Puri Fasteners, based in Chennai, is a respected manufacturer and supplier known for delivering durable and high-performance Stainless Steel 409 Nuts. The company focuses on providing reliable fastening solutions designed to perform well in demanding industrial conditions. Their SS 409 Nuts are produced using advanced manufacturing techniques and quality raw materials to ensure excellent heat resistance, strength, and long service life. With a commitment to precision, customer satisfaction, and consistent product quality, Puri Fasteners continues to support various industries with fastening products that offer dependable performance, cost-effectiveness, and reliability in both standard and high-temperature environments.
Stainless Steel 409 Nuts are made from a ferritic stainless-steel grade containing chromium, low carbon, and small titanium additions for stability. This composition gives them moderate corrosion resistance, good strength, and excellent heat resistance. These nuts offer reliable mechanical performance, enhanced oxidation resistance, and the ability to withstand elevated temperatures without losing structural integrity. While less corrosion-resistant than austenitic grades, SS 409 provides solid durability, weldability, and cost efficiency. These mechanical properties make them suitable for applications requiring strength, thermal stability, and dependable performance in mildly corrosive environments.
|
Element |
Content |
|---|---|
|
Carbon |
0.08 maximum |
|
Manganese |
1.00 maximum |
|
Phosphorus, maximum |
0.045 maximum |
|
Sulfur, maximum |
0.045 maximum |
|
Silicon |
1.00 maximum |
|
Nickel |
0.5 |
|
Chromium |
11.75 |
|
Molybdenum |
– |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 450 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 240 |
| Elongation in 4D (El) | 25% min |
| Reduction | – |
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 409 Nut |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
To satisfy our clients needs by providing high quality products at competitive price as per the schedule and to maintain long term relationship with our clients.
Stainless Steel 409 Nuts are commonly used in industries that require fasteners capable of handling heat, stress, and moderate corrosion. They are widely applied in automotive exhaust systems, mufflers, catalytic converters, and other high-temperature engine components. These nuts are also used in heat-exchangers, furnaces, industrial ovens, and equipment operating under fluctuating temperatures. Beyond heat-intensive uses, they are suitable for agricultural machinery, construction equipment, and general industrial applications where a balance of strength and affordability is essential. Their durability and thermal resistance make SS 409 Nuts a practical and dependable choice for everyday and heavy-duty fastening needs.
We prioritize quality assurance with the utmost dedication. Our rigorous testing program includes hardness, chemical analysis, levelling, and micro-macro testing. We also analyze pitting Resistance to ensure the reliability of our products. This commitment to professionalism is supported by necessary documentation, such as marketing invoices, packaging documents, certificates of origin, vouchers and more. We provide third-party inspection certificates to further confirm the quality of our products. Trust us to deliver the best products backed by advanced quality assurance methods.
Puri Fasteners is a leading manufacturer and supplier of high-quality fasteners in Chennai, India, with over 8 years of experience serving global industries.
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