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Rinku Fasteners, a reputable manufacturer and supplier located in Kolkata, India, proudly presents its high-performance ASTM A453 GR 660 Class D Bolts, crafted for exceptional strength and reliability. These bolts are specifically designed for critical applications where extreme temperatures, high pressure, and corrosive environments demand top-notch fastening solutions. With a commitment to precision and adherence to global quality standards, they offer remarkable mechanical stability and long-lasting durability. Rinku Fasteners guarantees consistent product integrity, making these bolts perfect for refineries, power plants, petrochemical facilities, and other high-temperature industrial operations that require trustworthy, high-strength bolting components.
ASTM A453 GR 660 Class D Bolts are made from austenitic stainless alloys that include nickel, chromium, titanium, and molybdenum, providing outstanding resistance to high temperatures and corrosion. They boast impressive tensile strength, stress-rupture resistance, and long-term stability even at elevated temperatures of up to 700°C. These bolts also demonstrate excellent ductility, hardness, and fatigue resistance, ensuring reliable performance in high-pressure systems. Their strong composition and mechanical properties make them ideal for challenging environments that demand strength, reliability, and resistance to thermal stress.
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.
ASTM A453 GR 660 Class D Bolts find extensive use in industries that operate under extreme heat and pressure. They are commonly utilized in power generation plants, turbines, boilers, heat exchangers, and pressure vessels. In the petrochemical and refinery sectors, these bolts play a crucial role in securing flanges, valves, reactors, and furnace components that are exposed to high temperatures. Their exceptional stress-rupture strength also makes them suitable for demanding applications where reliability is key.
At Rinku Fasteners, we prioritize the safety and quality of our ASTM A 453 GR 660 Class D bolts during shipping. Each bolt is thoroughly inspected and individually tightened to prevent damage. We pack them in hard labeled boxes that clearly show product details and quantities. These meticulous packaging ensures that our bolts remain in pristine condition, ready to meet the demanding demands of high temperatures and high pressures upon arrival the solution of the.
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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