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Punit Fasteners, a prominent manufacturer and supplier located in Delhi, India, specializes in high-performance ASTM A453 GR 660 Class C stud bolts designed for tough high-temperature and high-pressure settings. Crafted from precipitation-hardened austenitic stainless steel, these stud bolts are celebrated for their exceptional strength, heat resistance, and long-lasting durability. Punit Fasteners adheres strictly to ASTM standards and employs advanced manufacturing techniques to ensure they deliver reliable, corrosion-resistant products. The company serves a variety of industries, including power generation, aerospace, petrochemicals, and energy, providing precision-engineered fastening solutions that are trusted in critical applications where safety and performance are paramount.
The ASTM A453 GR 660 Class C stud bolts are made from austenitic stainless steel, containing about 24–27% nickel, 13–17% chromium, 1–1.5% molybdenum, along with trace amounts of titanium and aluminum. These bolts undergo solution annealing and aging processes to boost their mechanical strength and thermal resistance. They boast a minimum tensile strength of 115 ksi (790 MPa) and a yield strength of 95 ksi (655 MPa). Renowned for their excellent resistance to stress rupture, oxidation, and creep, they maintain their performance even at temperatures reaching 704°C, making them perfect for high-stress thermal environments.
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Material
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Dimensions
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Standards
|
Size
|
Length
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ASTM A453 GR 660 CLASS C Stud Bolts |
ASME B18.2.1, B18.3 |
ASTM, ASME
|
M 02 to M 160 |
3 mm to 200 mm |
|
Element |
Content |
|---|---|
|
Carbon |
0.08 max |
|
Manganese |
2.00 max |
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Phosphorus, max |
0.040 max |
|
Sulfur, max |
0.030 max |
|
Silicon |
1.00 max |
|
Nickel |
24.0-27.0 |
|
Chromium |
13.5-16.0 |
|
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.
ASTM A453 GR 660 Class C stud bolts find extensive use in industries where high strength and resistance to elevated temperatures are crucial. In power plants, they play a vital role in securing components within turbines, boilers, and pressure vessels. In the aerospace sector, they are utilized in jet engines and structural assemblies that face intense heat and vibration. Petrochemical and refinery operations depend on them for high-pressure flanged joints, reactors, and heat exchangers. Their ability to withstand extreme thermal stress also makes them ideal for nuclear, marine, and industrial processing applications where secure and long-lasting fastening is essential.
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.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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