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Mazin Fasteners, based in Muscat, Oman, stands out as a top-notch manufacturer and supplier of high-quality industrial fasteners, including bolts, nuts, studs, and threaded rods. One of their standout products, the ASTM A453 GR 660 Class C Nuts, is celebrated for its remarkable strength, durability, and ability to withstand high-temperature and high-pressure conditions. Crafted to meet rigorous ASTM standards, these nuts guarantee precise threading, consistent quality, and dependable performance. Catering to sectors like power generation, oil and gas, petrochemical, and construction, Mazin Fasteners delivers premium fastening solutions that prioritize operational safety, structural integrity, and long-lasting reliability throughout Oman and its neighboring regions.
Typically made from alloy steel with a carefully controlled chemical composition, ASTM A453 GR 660 Class C Nuts are designed to boost high-temperature strength, toughness, and corrosion resistance. They boast excellent tensile and yield strength, outstanding fatigue resistance, and maintain dimensional stability even in extreme conditions. These nuts are specifically engineered for demanding applications, ensuring secure fastening and structural integrity in high-pressure and elevated temperature settings. The precision manufacturing process guarantees uniformity, reliability, and long-term performance in critical industrial assemblies.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS C Nuts | 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 find ASTM A453 GR 660 Class C Nuts commonly used in power plants, boilers, pressure vessels, petrochemical facilities, and high-temperature piping systems. They’re perfect for securing bolts, flanges, valves, and heavy machinery where high strength, heat resistance, and durability are essential. By offering safe and reliable fastening solutions, these nuts help minimize maintenance needs while boosting structural and operational integrity. Mazin Fasteners proudly supplies precision-engineered ASTM A453 GR 660 Class C Nuts across Oman, supporting industries that require high-performance and trustworthy fastening solutions for challenging environments.
At Mazin Fasteners, ASTM A 453 GR 660 Class C Nuts are meticulously packaged to ensure their integrity and quality upon delivery. Each batch of nuts is securely packed in durable, protective materials to prevent damage during transit. Our packaging process includes clear labeling for easy identification and compliance with industry standards. We take pride in our commitment to delivering these critical components in perfect condition, ready for use in demanding applications across various industries.
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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