Home > ASTM A 453 GR 660 Class D Bolts
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Hazlewood Fasteners, a reputable manufacturer and supplier located in Canberra, Australia, specializes in top-notch ASTM A453 Grade 660 Class D Bolts. These bolts are crafted for outstanding strength and resistance to oxidation, making them perfect for high-temperature settings. Made from austenitic stainless steel with added nickel, chromium, and titanium, they perform exceptionally well under intense thermal and mechanical stress. You’ll find ASTM A453 GR 660 Class D Bolts commonly used in turbine engines, pressure vessels, power generation, and petrochemical industries. Hazlewood Fasteners guarantees meticulous heat treatment and rigorous quality testing, providing durable, corrosion-resistant fastening solutions that are essential for high-pressure and high-temperature operations.
ASTM A453 Grade 660 Class D Bolts are mainly made up of Nickel (24–27%), Chromium (13–16%), Titanium (1.9–2.35%), Manganese (≤2%), Silicon (≤1%), Carbon (≤0.10%), Phosphorus (≤0.04%), and Sulfur (≤0.03%), with iron making up the rest. These bolts boast a tensile strength of up to 930 MPa and a yield strength of 585 MPa, along with excellent creep and oxidation resistance at temperatures reaching 700°C. The addition of titanium improves structural stability and prevents embrittlement, ensuring reliable mechanical integrity and long-lasting performance in high-stress, high-temperature situations.
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 are widely utilized in various high-demand settings like gas turbines, steam turbines, power plants, aerospace equipment, and nuclear reactors, where exceptional mechanical strength and thermal stability are crucial. They’re perfect for applications such as heat exchangers, pressure vessels, flanged joints, and high-pressure piping systems that face fluctuating temperatures. Thanks to their outstanding resistance to oxidation and corrosion, these bolts are well-suited for marine, chemical, and petrochemical processing environments. They also maintain their shape, strength, and resistance to fatigue even when exposed to prolonged heat, making them a top choice for critical fastening needs in high-temperature and high-stress industrial operations.
At Hazlewood 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.
Hazlewood Fasteners is a leading manufacturer and supplier of high-quality fasteners in Canberra, Australia, with over 8 years of experience serving global industries.
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