ASTM A 453 GR 660 Class D Bolts

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ASTM A 453 GR 660 Class D Bolts Manufacturer and Supplier in Manama, Bahrain

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Malik Fasteners, a top-notch manufacturer and supplier based in Manama, Bahrain, proudly presents its premium ASTM A 453 GR 660 Class D Bolts, crafted for outstanding performance in high-temperature and high-pressure settings. These bolts are designed to deliver exceptional strength, corrosion resistance, and structural integrity, making them perfect for demanding industrial applications. With meticulous manufacturing processes that meet global quality standards, these bolts find their place in power plants, petrochemical facilities, and refineries. Malik Fasteners guarantees reliable quality, durability, and quick delivery, ensuring these bolts are a trustworthy choice for critical operations that require long-lasting stability and high-temperature performance.

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ASTM A 453 GR 660 Class D Bolts are crafted from a high-strength, precipitation-hardened alloy steel that includes nickel, chromium, titanium, and molybdenum, providing excellent heat resistance and stability. These bolts boast remarkable tensile strength, yield strength, and hardness, ensuring dependable performance even at extreme temperatures of up to 650°C. With enhanced creep strength, oxidation resistance, and superior stress-rupture properties, Class D bolts maintain their mechanical integrity in harsh operating conditions. Their toughness and stability make them ideal for prolonged exposure to thermal cycling, guaranteeing consistent and secure fastening in critical applications.

ASTM A 453 GR 660 Class D Bolts Specifications

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

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ASTM A 453 GR 660 Class D 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 D 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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ASTM A 453 GR 660 Class D Bolts are extensively utilized in industries that demand high-temperature and high-pressure resistance, such as petrochemical plants, refineries, thermal power stations, and chemical processing facilities. These bolts are perfect for securing components in turbines, boilers, pressure vessels, heat exchangers, reactors, and flanged piping systems. Their impressive strength retention, creep resistance, and corrosion resistance make them a reliable choice for critical applications, ensuring that they perform well even in the most challenging environments.

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Types of ASTM A 453 GR 660 Class D Bolts

At Malik 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.