Home >ASTM A 453 GR 660 Class D Bolts
As a top supplier and designer of industrial fastening solutions, Majid Fasteners is located in Dubai, UAE. Our products are renowned for their accuracy and reliability. We specialize in ASTM A453 Grade 660 Class D Bolts that have been meticulously designed and manufactured to stand up to high-temperature, high-pressure scenarios. Majid Fasteners supplies bolt products that are utilized by some of the largest industries, including power generation, petrochemical, and heavy engineering. Our bolts are designed for enhanced performance and reliability throughout the life of the application. Because of our commitment to providing quality products and outstanding service, Majid Fasteners has become the preferred supplier for many industries that require high-quality fastening solutions for their critical applications, and we are committed to providing new innovation within our industry by supplying quality fastener products to meet global standards.
High performing alloy steel fasteners designed for demanding high temperature, high pressure applications, ASTM A453 Grade 660 Class D bolts have a chemical composition containing carbon, manganese, chromium, nickel, molybdenum and nickel. These characteristics provide excellent corrosion resistance and mechanical stability of these products. ASTM A453 Grade 660 Class D bolts have excellent tensile strength (between approximately 930-1080 Megapascals) and yield strength (approximately 640 Megapascals). ASTM A453 Grade 660 Class D bolts also have good elongation and hardness properties allowing the bolts to maintain their structural integrity when subjected to extreme conditions. These attributes make ASTM A453 Grade 660 Class D bolts ideal for use in applications that require high reliability under critical conditions, such as power generation, petrochemical processing and heavy engineering.
|
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 |
High-Performance Alloy Steel Bolts ASTM A453 Grade 660 Class D are specially manufactured for extreme applications of heat and pressure. The chemical makeup of these high-performance alloy steel fasteners consists of a combination of Carbon, Manganese, Chromium, Nickel, and Molybdenum. These materials are specifically designed to be resistant to corrosion and provide enhanced mechanical properties. The tensile strength of A453 Grade 660 Class D typically depends on the manufacturer’s specifications, and it ranges from 930-1080 MPa (megapascals) with a yield point of approximately 640 MPa. Additionally, the elongation and hardness properties of these bolts are outstanding, helping to maintain the stability of the structure, which is why A453 Grade 660 Class D bolts can be used in critical applications such as power production, petrochemical processing, and heavy engineering.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
