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The Fasteners Mart, Mumbai, India, is a renowned supplier of high-performance industrial fasteners offering a wide array of products that are engineered to handle the most challenging applications. As a qualified manufacturer and exporter of precision fasteners, the company is celebrated for its dedication to providing high-quality, long-lasting components. Among its high-end products are ASTM A453 GR 660 Class B Fasteners, which are made of a nickel, chromium, and iron alloy to resist high temperatures and pressures in power generation, petrochemical, and aerospace industries.
ASTM A453 GR 660 Class B Fasteners consist of a high-strength Nickel (24–27%), Chromium (13–17%), Iron alloy with traces of Manganese, Titanium, and Aluminum. These fasteners have higher tensile strength of more than 895 MPa and yield strength of 585 MPa, with a maximum temperature resistance of 704°C (1300°F). Their high creep and oxidation resistance qualify them for severe thermal environments. The density of the material is around 7.9 g/cm³, providing superior stability and strength under high-pressure and high-temperature conditions such as turbines and boilers.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS B Fasteners | 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 B Fasteners find extensive application in high-temperature and pressure-resistant industries such as power plants, nuclear reactors, and petrochemical plants. They are perfect for steam turbines, gas turbines, pressure vessels, and heat exchangers, where strength and thermal stability are essential. They are also extensively utilized in exhaust systems and boiler systems, ensuring solid connections for flanged joints and high-stress components under mechanical and thermal stress. Their high performance keeps them safe and efficient in rigorous applications.
The Fasteners Mart promises timely delivery of ASTM A453 GR 660 Class B Fasteners, packaged safely in moisture-proof wrapping, heavy-duty cartons, or wooden crates to protect them during transit. The package is tagged and documented for easy identification and tracking. The firm guarantees international compliance, with safe and damage-free delivery to customers worldwide.
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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