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Mira Fasteners is a well-respected manufacturer and supplier of ASTM A453 Grade 660 Class C Stud Bolts, proudly located in Kuala Lumpur, Malaysia. These high-performance fasteners are designed for critical applications that demand exceptional strength and reliability, especially at elevated temperatures. You’ll find these stud bolts commonly used in power plants, refineries, and high-temperature process systems. Mira Fasteners ensures that their products meet strict international standards, and with their precise manufacturing processes, rigorous quality checks, and dependable delivery, they’ve built a solid reputation among clients across Malaysia and Southeast Asia who are looking for reliable bolting solutions in challenging environments.
The ASTM A453 Grade 660 Class C Stud Bolts are crafted from precipitation-hardened austenitic stainless steel, which includes nickel (24–27%), chromium (13–17%), molybdenum (1.5–2.5%), and iron. These fasteners undergo solution treatment and age hardening to achieve a minimum tensile strength of 895 MPa and a yield strength of 585 MPa. Class C bolts offer enhanced mechanical properties and oxidation resistance, making them ideal for continuous use at temperatures reaching up to 704°C (1300°F). The stud bolt design features threads on both ends, ensuring secure, high-load connections, particularly in flanged assemblies and pressure-retaining joints.
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Material
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Dimensions
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Standards
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Size
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Length
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ASTM A453 GR 660 CLASS C Stud Bolts |
ASME B18.2.1, B18.3 |
ASTM, ASME
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M 02 to M 160 |
3 mm to 200 mm |
|
Element |
Content |
|---|---|
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Carbon |
0.08 max |
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Manganese |
2.00 max |
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Phosphorus, max |
0.040 max |
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Sulfur, max |
0.030 max |
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Silicon |
1.00 max |
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Nickel |
24.0-27.0 |
|
Chromium |
13.5-16.0 |
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Molybdenum |
1.00-1.50 |
|
Tungsten |
– |
|
Titanium |
1.9-2.35 |
|
Aluminum |
0.35 max |
|
Vanadium |
0.10-0.50 |
|
Boron |
0.001-0.010 |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 895 min |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 585 min |
| Elongation in 4D (El) | 15 |
| Reduction | 18 |
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 ASTM A453 Grade 660 Class C Stud Bolts widely utilized in scenarios involving thermal cycling, high pressure, and elevated temperatures. They play a crucial role in steam turbines, heat exchangers, boilers, and reactor systems within the power and petrochemical sectors. Their outstanding resistance to creep, stress rupture, and oxidation guarantees long-term stability and minimizes maintenance needs in harsh conditions. These fasteners are also perfect for aerospace and industrial equipment that requires consistent mechanical strength and integrity under extreme operating conditions, making them a trustworthy choice for high-temperature bolting needs.
Sheetal fasteners Contain ASTM A 453 GR 660 Class C stud bolts that are carefully installed to ensure safe and secure shipment. Each bolt is individually inspected for quality and then placed in attractive, corrosion-resistant crates or boxes. Our packaging includes protective padding and cushioning materials to prevent damage during transit. For bulk orders we offer customized packaging solutions to meet specific requirements. Our goal is to provide these high-performance fasteners in the best possible condition, ready for immediate use in demanding applications.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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