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**[ASTM A453 Grade 660B Fasteners]()** Ramu Fasteners is a well-respected **manufacturer and supplier based in Hyderabad** that specializes in high-quality ASTM A453 GR 660 Class C Stud Bolts, designed for tough industrial settings. With a strong background in precision fastener production and rigorous quality checks, Ramu Fasteners provides stud bolts that comply with international standards for strength and performance. Catering to industries like petrochemical, power generation, oil & gas, and heavy engineering, the company guarantees consistency, durability, and reliability in every product. Renowned for their technical support, competitive pricing, and prompt delivery, Ramu Fasteners is a trusted ally for essential bolting solutions in high-temperature applications.
ASTM A453 GR 660 Class C Stud Bolts are crafted from **UNS S66286 precipitation-hardening stainless steel (Alloy A286)**, which boasts a rich blend of nickel, chromium, molybdenum, and titanium for outstanding corrosion resistance and strength at elevated temperatures. The alloy is subjected to oil quenching and double age hardening to achieve impressive mechanical properties. Class C fasteners showcase a **minimum tensile strength of about 895 MPa (130 ksi)** and a **yield strength of roughly 585 MPa (85 ksi)**, along with good elongation and reduction of area, making them perfect for high-stress applications. ([Astma453Grade660][1])
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Material
|
Dimensions
|
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 |
|
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 A 453 GR 660 C Class C stud bolts are used in high-pressure, high-temperature environments such as power plants, chemical processing, and petrochemical industries Flanges, molds for steam turbines, reactors, and pressure vessels due to their high temperature resistance and strength , and are ideal for securing equipment These bolts are also used under high pressure where reliability and performance are critical, such as in the aerospace and marine industries where they the long-term strength ensures long-term operational safety.
Ramu 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.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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