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Rinku Fasteners, a reputable manufacturer and supplier located in Kolkata, India, proudly presents its top-quality ASTM A453 GR 660 Class C Nuts, specifically engineered for high-temperature and high-pressure settings. With an unwavering commitment to quality, durability, and precision, Rinku Fasteners employs cutting-edge manufacturing techniques and stringent testing protocols to produce these nuts. Renowned for their remarkable strength, corrosion resistance, and long-lasting reliability, these Class C nuts are perfect for critical industrial applications. Catering to industries like petrochemicals, power generation, aerospace, and refineries, Rinku Fasteners consistently provides fastening solutions that align with global performance standards and meet customer needs.
ASTM A453 GR 660 Class C Nuts are crafted from a robust nickel-chromium-molybdenum alloy, enhanced with titanium, which delivers outstanding strength and thermal stress resistance. These nuts boast excellent tensile and yield strength, along with remarkable creep resistance at high temperatures. Their corrosion resistance guarantees reliable performance in harsh environments, while their hardness and fatigue strength ensure dependable operation under varying loads. The alloy’s stability in extreme heat and pressure conditions makes Class C nuts an ideal choice for long-term use in demanding industrial applications.
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.
ASTM A453 GR 660 Class C Nuts find extensive use in industries that require high-strength fasteners capable of withstanding extreme temperatures. They are particularly suited for turbines, boilers, and pressure vessels in power plants, where thermal stability is crucial. The petrochemical sector depends on these nuts for reactors, heat exchangers, and high-pressure piping systems that encounter corrosive substances. Furthermore, the aerospace and refinery industries utilize Class C nuts for essential assemblies that demand durability and reliability.
At Rinku 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.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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