Walid Stainless, based in Tunis, Tunisia, is a trusted manufacturer and supplier of premium stainless steel products. Among their offerings are Stainless Steel 409 Fasteners, engineered for applications requiring good corrosion resistance, durability, and moderate strength in automotive and industrial environments. These fasteners are ideal for exhaust systems, automotive assemblies, and industrial equipment exposed to mild corrosive conditions and moderate temperatures. Each fastener is manufactured with precision and undergoes strict quality control to ensure consistent performance. Clients rely on 409 Fasteners for secure, long-lasting, and reliable fastening solutions in demanding automotive and industrial projects.
Stainless Steel 409 Fasteners are made from a ferritic stainless steel alloy containing approximately 10.5–11.75% chromium and low carbon content. This composition provides good corrosion resistance, moderate strength, and excellent oxidation resistance at elevated temperatures. These fasteners typically exhibit tensile strength between 450–550 MPa and hardness around 150–200 HB. The ferritic structure ensures dimensional stability, mechanical durability, and resistance to scaling under thermal stress. 409 Fasteners are suitable for automotive, industrial, and mild-corrosion applications where moderate strength and long-term reliability are required.
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 409 Fasteners |
ASTM, ASME and API |
ASTM B 193 / ASME SB 193 |
M02 to M30 |
3 mm To 200 mm |
|
Element |
Content |
|---|---|
|
Carbon |
0.08 max |
|
Manganese |
1.00 max |
|
Phosphorus, max |
0.045 max |
|
Sulfur, max |
0.045 max |
|
Silicon |
1.00 max |
|
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 | – |
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These SS 409 Nuts offer excellent corrosion resistance and are typically used in automotive exhaust systems. They are available in sizes ranging from M6 to M30, with various dimensions to suit different applications.
SS 409 Stud Bolts offer excellent corrosion resistance and are designed for high-temperature environments. They are available sizes from M6 to M30 and lengths from 50mm to 300mm. Their versatility ensures reliable performance and durability for demanding industrial applications.
With corrosion resistance, these bolts are ideal for exhaust systems and other automotive applications. Sizes generally range from M6 to M30, with lengths varying from 20mm to 200mm, depending on the specific requirements.
Offering good resistance to corrosion, these rods are used in various construction and industrial applications. They come in diameters from M6 to M30 and lengths from 100mm to 1000mm, with custom lengths available.
These screws provide reliable corrosion resistance and are commonly used in automotive and industrial applications. Sizes range from M3 to M12, with lengths from 10mm to 100mm, designed to accommodate different fastening needs.
With excellent corrosion resistance, these washers distribute load and reduce stress on bolted connections. They are available in diameters from M6 to M30 and thicknesses tailored to specific applications.
Our strict quality control is guaranteed by quality control inspections taking place at each production stage. All led by our firm in-house. This commitment to excellence guarantees that each product meets precise specifications and industry standards. Furthermore, we are very proud of our fast logistics network, which allows us to deliver orders quickly to clients all over the world. Our focus on reliability and timeliness ensures customer satisfaction and reinforces our reputation as a trusted partner for stainless steel solutions.
Stainless Steel 409 Fasteners are widely used in industries requiring durable, corrosion-resistant, and moderately strong fastening solutions. They are ideal for automotive exhaust systems, heat shields, mufflers, industrial ducting, and machinery exposed to mild corrosive or thermal environments. The ferritic structure ensures long-term dimensional stability, resistance to oxidation, and dependable mechanical performance. Engineers and technicians rely on 409 Fasteners for secure, consistent, and long-lasting performance in automotive and industrial projects. Walid Stainless ensures that each fastener meets strict quality standards, providing dependable materials for projects requiring durability, moderate corrosion resistance, and cost-effective high-temperature performance.
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