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MUKAU FASTENERS, located in Kinshasa, Congo, stands out as a top manufacturer and supplier of ASTM A 453 GR 660 Class D Bolts. These bolts are engineered for high-performance applications, boasting remarkable strength, precision, and durability. Produced in strict adherence to international standards, they guarantee exceptional reliability and dimensional accuracy, making them perfect for tough industrial settings. Renowned across various sectors, these bolts are crucial for operations that face high temperatures, heavy loads, and extreme conditions. MUKAU FASTENERS provides quality fastening solutions that boost safety, operational efficiency, and long-lasting performance, meeting the demanding needs of critical engineering projects.
ASTM A 453 GR 660 Class D Bolts are made from high-strength alloy steel and undergo a specialized heat treatment process to improve their mechanical performance. They typically offer tensile strengths ranging from 965 to 1100 MPa and yield strengths between 830 and 950 MPa. These bolts are known for their excellent toughness, fatigue resistance, and stability under high temperatures and stress. With enhanced corrosion resistance, they are built to last in harsh industrial environments. Their precise manufacturing ensures optimal hardness, load-bearing capacity, and consistent performance, making them ideal for structural and pressure-critical applications where safety and reliability are essential.
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 A 453 GR 660 Class D Bolts find extensive use in industries that require high-strength fasteners capable of enduring extreme conditions. They are frequently utilized in petrochemical plants, power generation facilities, chemical processing, and heavy machinery assemblies. These bolts are perfect for securing flanges, turbines, boilers, and pressure vessels, where high loads and elevated temperatures are the norm. Their durability and reliability help minimize maintenance and operational downtime, ensuring the integrity of critical systems.
At Mukau 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.
Mukau Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kinshasa, Congo, with over 8 years of experience serving global industries.
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