ASTM A 453 GR 660 Class C Bolts Manufacturer and Supplier in Dubai, UAE
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Dubai-based Majid Fastener is a well respected manufacturer and acceptable manufacturer of superior fasteners and is supported by a commitment to superior quality and precision-engineering. As a producer of ASTM A453 660 Sch C Class C bolts we meet the needs of our many customers working at very high temperatures or very high pressures in their own industries and have established our company as the most reliable supplier for all your fastening requirements. We provide fasteners to clients throughout the UAE who value reliability, durability and satisfaction, therefore we ensure all our products meet strict international standards, making us the preferred supplier of fastening components in the region.
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What is ASTM A 453 GR 660 Class C Bolts?
Bolts made of ASTM A453 Grade 660 Class C high-strength alloy steel for maximum strength when subjected to extreme conditions such as high temperatures or high pressure. Their chemical composition is made from manganese, nickel, chromium, and molybdenum, making them highly resistant to corrosion and providing excellent mechanical stability. The tensile strength of ASTM A453 GR 660 Class C Bolt ranges from 930 to 1080 MPa, while the estimated yield strength is 640 MPa. The elongation and hardness characteristics also reflect good structural integrity, which ensures that ASTM A453 GR 660 Class C bolts perform reliably under the aforementioned conditions. As a result, they provide an optimal solution in the critical areas of Power Plants, Refineries and Heavy Engineering .
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ASTM A 453 GR 660 Class C Bolts Specifications
|
Material |
Dimensions |
Standards |
Size
|
Length |
|
ASTM A453 GR 660 CLASS CĀ Bolts
|
ASME B18.2.1, B18.3
|
ASTM, ASME |
M 02 to M 160
|
3 mm to 200 mm
|
ASTM A 453 GR 660 Class C Bolts Chemical Composition
|
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 |
ā |
|
Titanium |
1.9-2.35 |
|
Aluminum |
0.35 max |
|
Vanadium |
0.10-0.50 |
|
Boron |
0.001-0.010 |
ASTM A 453 GR 660 Class C Bolts Mechanical Properties
| Tensile Strength/Ultimate Tensile Stress (UTS) ā (Mpa) | 895 min |
| Yield Strength/Proof Stress(0.2% Offset) (YS) ā (Mpa) | 585 min |
| Elongation in 4D (El) | 15 |
| Reduction | 18 |
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Types of ASTM A 453 GR 660 Class C Bolts
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ASTM A 453 GR 660 Class C Bolts Uses
When high-strength heat-resistant fasteners are required, ASTM A453 Grade 660 Class C bolts are a popular choice in many industries. For example, these fasteners work well in the power generation industry, petrochemical plants, refineries and chemical processing applications, where components experience high temperatures and high pressures. Examples of applications where these fasteners are commonly used include pressure vessels, heat exchangers, steam turbines and nuclear reactors. As a result of their high level of mechanical strength and excellent resistance to corrosion, ASTM A453 Grade 660 Class C bolts are also ideal for heavy engineering applications, offshore platforms and other industrial machinery. Due to their ability to perform reliably and provide durability in extreme conditions, ASTM A453 GR 660 Class C bolts are critical for protecting safety-sensitive equipment and processes.






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