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Mira Fasteners is a reliable manufacturer and supplier of ASTM A453 Grade 660 Class C Fasteners, proudly based in Kuala Lumpur, Malaysia. They specialize in providing high-performance fastening solutions designed for extreme environments, catering to industries like power generation, petrochemical processing, and aerospace. These fasteners are crafted to endure high temperatures, mechanical stress, and long service conditions. With rigorous quality control measures in place, each fastener meets international standards, ensuring consistent performance and durability. Mira Fasteners has built a reputation for reliability, prompt delivery, and a customer-centric approach throughout Malaysia and the broader Southeast Asian region.
ASTM A453 Grade 660 Class C Fasteners are constructed from an austenitic stainless steel alloy that includes nickel (24–27%), chromium (13–17%), molybdenum (1.5–2.5%), along with trace elements to boost performance. Tailored for high-temperature bolting, these fasteners boast a minimum tensile strength of 895 MPa and a yield strength of 585 MPa. Class C fasteners undergo solution treatment and precipitation hardening, which grants them exceptional resistance to oxidation, creep, and stress rupture at temperatures reaching up to 704°C (1300°F). This class has slight variations in heat treatment and mechanical properties compared to others, making it ideal for applications that face prolonged exposure to heat and stress.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS C 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.
You’ll often find ASTM A453 Grade 660 Class C Fasteners in high-temperature, high-pressure settings like steam turbines, heat exchangers, boilers, and reactors. In the petrochemical sector, they’re utilized in furnace components, pressure systems, and thermal cycling equipment. Their outstanding mechanical stability and resistance to oxidation make them perfect for power plants and aerospace systems, where reliability under heat and mechanical loads is crucial. These fasteners help minimize maintenance cycles and extend the lifespan of complex assemblies, giving engineers and operators peace of mind.
Sheetal fasteners contain ASTM A 453 GR 660 Class C fasteners carefully installed to ensure authenticity during transportation and storage. Each binder is individually inspected and securely wrapped with protective coatings to prevent corrosion. They are then packed in sturdy labeled boxes designed to withstand rigorous handling and the environment. This careful packaging assures that our high quality fasteners reach you in optimal condition, ready for immediate use in demanding 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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