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Mira Fasteners is a trusted manufacturer and supplier of ASTM A453 Grade 660 Class D Fasteners, proudly located in Kuala Lumpur, Malaysia. With a solid reputation for providing high-strength and heat-resistant fastening solutions, Mira Fasteners caters to clients in vital industries like power generation, petrochemical, aerospace, and heavy engineering. These fasteners are designed to perform exceptionally well in high-temperature and high-pressure settings. Renowned for their precision, consistency, and adherence to international standards, Mira Fasteners guarantees that each ASTM A453 Gr 660 Class D product undergoes rigorous testing for durability, reliability, and mechanical excellence, making them a go-to choice for demanding industrial applications throughout Malaysia and Southeast Asia.
ASTM A453 Grade 660 Class D Fasteners are crafted from an austenitic stainless steel alloy, primarily made up of iron, nickel (24–27%), chromium (13–17%), and molybdenum (1.5–2.5%), along with trace elements for added stability. These fasteners boast impressive high-temperature strength and oxidation resistance. Their mechanical properties include a minimum tensile strength of 895 MPa, yield strength of 585 MPa, and significant elongation. They are specifically engineered for applications that require sustained strength at elevated temperatures, reaching up to 704°C (1300°F). Class D stands out from other classes due to its optimized heat treatment, which enhances stress rupture and creep resistance during long-term service.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS D 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 Grade 660 Class D Fasteners find extensive use in high-temperature and high-stress applications. In power plants, they are crucial for securing pressure vessels, steam turbines, and reactors, thanks to their ability to maintain integrity during thermal cycling. In the petrochemical sector, they are utilized in heat exchangers, flanges, and valves that face extreme heat and corrosive conditions. Their outstanding mechanical and thermal properties also make them ideal for aerospace engines, furnace components, and gas turbines.
At Mira Fasteners, we prioritize the safety and quality of our ASTM A 453 GR 660 Class D fasteners with careful packaging. Each binder is carefully inspected and individually wrapped to protect against corrosion. They are then placed in tightly labeled boxes with detailed product details and quantities. Our packaging materials ensure that fasteners are adequately protected during transit, and maintain their high strength and integrity for use in critical, high-temperature 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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