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Rinku Fasteners, a leading manufacturer and supplier in Kolkata, India, provides high-quality ASTM A 453 GR 660 Class D Stud Bolts designed for demanding industrial applications. Manufactured from premium chromium-molybdenum alloy steel and precisely heat-treated, these stud bolts offer superior strength, durability, and high-temperature performance. Widely used in power generation, petrochemical, and heavy industrial plants, they are trusted for critical applications where secure and reliable fastening is essential. With rigorous quality control and precision engineering, ASTM A 453 GR 660 Class D Stud Bolts ensure long-lasting performance, operational safety, and peace of mind for engineers and maintenance teams.
ASTM A 453 GR 660 Class D Stud Bolts are made from chromium-molybdenum alloy steel, heat-treated to achieve exceptional tensile and yield strength. The controlled composition of carbon, chromium, and molybdenum provides excellent hardness, toughness, and resistance to oxidation and wear. These stud bolts maintain dimensional stability under high-pressure, high-temperature, and cyclic loading conditions. Their combination of ductility, creep resistance, and mechanical integrity makes them ideal for demanding industrial environments, ensuring reliable fastening and long-term durability in applications where high performance is critical.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS D Stud 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 A 453 GR 660 Class D Stud Bolts are widely used in industries requiring high-strength, temperature-resistant, and durable fastening solutions. They are ideal for boilers, pressure vessels, turbines, heat exchangers, high-pressure piping, and heavy machinery in power generation, petrochemical, and chemical processing plants. Their mechanical strength and thermal resistance make them suitable for high-pressure flanged joints and critical structural connections. Paired with compatible nuts and washers, these stud bolts provide secure, long-lasting fastening. Trusted for performance in extreme environments, ASTM A 453 GR 660 Class D Stud Bolts ensure operational safety, reliability, and consistent performance in critical industrial applications.
At Rinku Fasteners, our ASTM A 453 GR 660 Class D stud bolts are carefully installed to ensure authenticity and quality. Each stud bolt is individually inspected and clamped to prevent corrosion. They are neatly packaged in hard labeled boxes that provide important production information and quantities. Our packaging system protects fasteners during transit, ensuring they arrive in excellent condition, ready to be used in high-stress and high temperature applications.
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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