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Mazin Fasteners is a leading manufacturer and supplier of ASTM A 453 GR 660 Class D bolts in Muscat, OMAN. Our bolts are designed for high strength and exceptional resistance to extreme heat and corrosion. Ideal for critical applications in the aerospace, electrical and petrochemical industries, reliable performance and durability under harsh conditions are ensured Because of our commitment to quality and accuracy , we offer bolts that meet the strictest industry standards for the most demanding environments.
Mazin Fasteners, located in Muscat, Oman, is a reputable manufacturer and supplier of top-notch ASTM A453 GR 660 Class D Bolts. These bolts are celebrated for their remarkable strength, hardness, and durability, making them perfect for high-temperature and high-pressure industrial settings. At Mazin Fasteners, every ASTM A453 GR 660 Class D Bolt is crafted to meet international standards, ensuring secure and dependable fastening solutions that can handle extreme mechanical stress and thermal conditions. With a focus on precision engineering and rigorous quality control, these bolts deliver long-lasting performance, making them essential for critical assemblies where safety, structural integrity, and reliability are paramount.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS D 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.
Manufactured from high-strength alloy steel, ASTM A453 GR 660 Class D Bolts are quenched and tempered to achieve outstanding tensile and yield strength. They excel in resisting creep, fatigue, and mechanical deformation, even under heavy loads and elevated temperatures. These impressive mechanical properties guarantee that the bolts maintain their shape, resist loosening, and provide secure fastening in demanding industrial environments, making them ideal for crucial applications in power generation, chemical processing, and high-temperature machinery.
You’ll find ASTM A453 GR 660 Class D Bolts commonly used in power plants, steam turbines, boilers, chemical processing units, and other high-temperature, high-pressure industrial equipment. They are perfect for securing pressure vessels, flanges, pipelines, and heavy machinery that face extreme stress and thermal conditions. With their blend of mechanical strength, hardness, and durability, these bolts ensure secure, long-lasting fastening, minimize maintenance needs, and boost the safety, reliability, and longevity of critical assemblies in challenging industrial environments.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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