Home > Stud Bolts > Stainless Steel 409 Stud Bolts
Weston Stainless in Midland, UK, is a renowned producer and distributor of premium stainless steel materials, which offer sustainable and long-lasting solutions to several industries. Among its wide variety, Stainless Steel 409 Stud Bolts are highly acclaimed for their superior strength, resistance to high temperatures, and affordability. These stud bolts, which come in fully threaded, double-end, and tap-end forms, are constructed from Grade 409 stainless steel, a ferritic alloy with additional chromium for greater corrosion resistance. Their high mechanical properties and resistance to oxidation position them as the best choice for applications such as those in the automotive, construction, and industrial equipment sectors that need strong and long-lasting fasteners.
Stainless Steel 409 Stud Bolts consist of iron (balance), 10.5-11.75% chromium, up to 0.08% carbon, and trace amounts of manganese, silicon, and phosphorus. They provide a tensile strength of about 65 ksi (450 MPa), a yield strength of 30 ksi (205 MPa), and hardness of up to 200 HB. Their physical characteristics are a density of 7.75 g/cm³, thermal conductivity of 24.9 W/m·K, and melting point of approximately 1450°C. These characteristics make them have good oxidation resistance, weldability, and high durability, which makes them ideal for high-temperature applications.
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 |
|
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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Designed for robust performance in high-temperature and corrosive environments. Their flange design ensures secure, stable connections, making them ideal for automotive and industrial uses.
Engineered for durability and strength in high-temperature applications. Their tap end design provides secure threading and reliable performance in demanding automotive and industrial settings.
Feature threaded ends for versatile applications, offering exceptional strength and corrosion resistance. Ideal for high-temperature environments, they ensure reliable, durable performance in automotive and industrial settings.
Stainless Steel 409 Stud Bolts find extensive application in the automotive, power generation, construction, and exhaust industries because of their high strength and thermal resistance. They are frequently used in exhaust manifolds, catalytic converters, fasteners for industrial machinery, and structural components. Due to their moderate corrosion resistance, they are best suited for fastening in heat exchanger applications, ducting systems, and heat– and mild–corrosive-exposed pressure vessels. Their high durability and weldability guarantee long-term functioning in high-stress applications where strength is essential and reliability is paramount.
Weston Stainless exports Stainless Steel 409 Stud Bolts with test certificates, such as mill test reports (MTR), third-party inspection reports, and compliance certifications. The bolts are carefully packaged in wooden crates, cartons, or protective wraps to avoid damage during shipping. The company delivers the products safely and reliably globally through air, sea, or land transportation, upholding product integrity and customer satisfaction through effective and secure logistics services.
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