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Murad Fasteners, a reputable manufacturer and supplier based in Doha, Qatar, specializes in high-quality Stainless Steel 409 Stud Bolts. These bolts are crafted for applications that demand excellent oxidation resistance, durability, and cost-effectiveness. With a focus on precision machining and rigorous quality control, Murad Fasteners guarantees accurate threading, consistent dimensions, and dependable mechanical strength. These stud bolts meet international standards, making them perfect for moderately corrosive and high-temperature settings. Industries such as automotive, oil and gas, power generation, and industrial fabrication rely on Murad Fasteners for secure fastening solutions that promise long-term reliability even under mechanical stress.
The Stainless Steel 409 Stud Bolts are made from a ferritic stainless steel alloy that contains about 10.5–11.75% chromium and has low carbon content. This unique composition provides solid resistance to oxidation and scaling at high temperatures while still offering moderate corrosion resistance. In terms of mechanical properties, these bolts exhibit moderate tensile and yield strength, good ductility, excellent formability, and resistance to stress corrosion cracking. They maintain their dimensional stability and mechanical integrity even under thermal cycling and continuous operational loads.
|
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 | – |
|
Material |
Specification |
Standards |
Size |
Length |
|
Stainless Steel 409 Stud Bolt
|
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.
You’ll find Stainless Steel 409 Stud Bolts commonly used in automotive exhaust systems, heat exchangers, boilers, and various industrial machinery that face elevated temperatures. They are particularly valuable in power plants, refineries, and fabrication projects where oxidation resistance and cost efficiency are crucial. These bolts are ideal for flanged joints, structural assemblies, and mechanical fastening applications, ensuring secure installation, durability, and reliable long-term performance in moderately corrosive and high-temperature industrial environments.
We prioritize quality and rigorously test all our products before shipping. These include hardness testing, chemical analysis (spectroanalysis), PMI testing, micro-macro testing, pitting resistance testing, fire testing, and intergranular corrosion testing. We provide complete documentation, such as commercial invoices with HS codes, packaging lists with loads, labels and numbers, and departure certificates. In addition, we provide third-party review certifications to ensure 100% customer satisfaction.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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