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The Fasteners Mart, Mumbai, India, is a renowned name in the fastener industry, specializing in the manufacture and export of premium-grade industrial fasteners tailored for critical and high-performance environments. Known for quality assurance, timely delivery, and adherence to global standards, the company offers a wide range of products including ASTM A453 GR 660 Class C Stud Bolts. These high-temperature stud bolts are made from an austenitic iron-nickel-chromium alloy, designed in straight and threaded rod forms, offering excellent strength and stability in extreme operating conditions.
ASTM A453 GR 660 Class C Stud Bolts are primarily composed of Nickel (24–27%), Chromium (13–17%), with Iron, Manganese, Titanium, and trace amounts of Aluminum. These fasteners offer a tensile strength exceeding 895 MPa and yield strength above 585 MPa. They perform reliably at elevated temperatures up to 704°C, showing strong resistance to oxidation and stress rupture. The material has a density of about 7.9 g/cm³ and provides long-lasting durability and mechanical integrity under thermal and pressure stress, making them ideal for high-temperature industrial applications.
|
Material
|
Dimensions
|
Standards
|
Size
|
Length
|
|
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 |
|
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 are extensively used in thermal power plants, gas turbines, pressure vessels, boilers, and petrochemical installations. Their high strength and thermal stability make them suitable for high-pressure, high-temperature applications, especially in heat exchangers, exhaust systems, and reactor equipment. These stud bolts are preferred in the energy and chemical sectors where they secure flanged joints and structural components exposed to thermal cycling and corrosive environments. Their exceptional performance under harsh conditions ensures reliability and safety in critical operational assemblies.
The Fasteners Mart provides prompt and secure delivery of ASTM A453 GR 660 Class C Stud Bolts, packaged in weather-resistant materials such as polyethylene wraps, corrugated boxes, or wooden crates for export. Each package is carefully labeled with part numbers and specifications, ensuring easy identification and damage-free transit across local and international destinations.
The Fasteners Mart is a leading manufacturer and supplier of high-quality fasteners in Mumbai, India, with over 8 years of experience serving global industries.
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