ASTM A 453 GR 660 Class B Bolts

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ASTM A 453 GR 660 Class B Bolts Manufacturer and Supplier in Safat, Kuwait

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Amin Fasteners, a reputable manufacturer and supplier located in Safat, Kuwait, specializes in high-quality ASTM A453 GR 660 Class B Bolts. These bolts are crafted for exceptional strength, durability, and dependable performance in high-pressure and high-temperature industrial settings. Each bolt is precision-engineered to ensure secure fastening, even load distribution, and long-lasting stability in critical assemblies. With a commitment to advanced production methods and rigorous quality control, Amin Fasteners meets international standards. The company prides itself on timely deliveries, tailored solutions, and customer satisfaction, making it a top choice for ASTM A453 GR 660 Class B Bolts in the petrochemical, power, and oil and gas sectors.

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ASTM A453 GR 660 Class B Bolts are constructed from high-strength alloy steel and are heat-treated to deliver outstanding mechanical properties, including impressive tensile strength, hardness, and toughness. These bolts are specifically designed to withstand wear, deformation, and stress corrosion cracking, making them ideal for high-temperature and high-stress environments. They offer excellent load-bearing capacity and dimensional stability, ensuring reliable performance when paired with corresponding Class B nuts in pressure vessels, heat exchangers, pipelines, and other essential industrial assemblies. Their superior alloy composition ensures long-lasting durability, even in harsh chemical and industrial conditions.

ASTM A 453 GR 660 Class B Bolts Specifications

Material	Dimensions	Standards	Size	Length
ASTM A453 GR 660 CLASS B Bolts	ASME B18.2.1, B18.3	ASTM, ASME	M 02 to M 160	3 mm to 200 mm

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ASTM A 453 GR 660 Class B 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	–
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 B Bolts Mechanical Properties

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

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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 B bolts are required at high temperatures and high pressures. Due to their excellent strength and stability, they are widely used in the aerospace, fuel and power industries. These bolts create critical components in gas turbines, reactors and pressure vessels, ensuring reliable performance in extreme conditions. It is also used in construction assemblies for heavy machinery where high tensile strength and high temperature resistance are critical.

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Types of ASTM A 453 GR 660 Class B Bolts

ASTM A453 GR 660 Class B Bolts find extensive use in industries that demand high mechanical strength, durability, and reliability under extreme conditions. They are frequently utilized in oil and gas refineries, petrochemical facilities, power generation plants, pressure vessels, heat exchangers, and high-pressure piping systems. These bolts ensure secure fastening for critical assemblies that are exposed to high temperatures and pressures, making them a vital component in various industrial applications.