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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 C Bolts. These bolts are specifically designed for high-strength and high-temperature applications, offering remarkable reliability in tough industrial environments. With a focus on precise manufacturing standards, they guarantee exceptional durability, corrosion resistance, and dimensional accuracy. Renowned across various industries, MUKAU FASTENERS provides bolts that adhere to strict international specifications, making them perfect for critical assemblies in power plants, chemical facilities, and petrochemical operations. Their consistent performance in extreme conditions makes them a go-to choice for engineers in need of reliable fastening solutions.
ASTM A 453 GR 660 Class C Bolts are made from alloy steel and undergo heat treatment to boost their strength and toughness. They feature impressive tensile and yield strengths, typically ranging from 965 to 1100 MPa and 830 to 950 MPa, respectively, ensuring they can handle heavy loads with ease. These bolts are designed to resist creep and fatigue even at high temperatures, while also providing good impact resistance. Thanks to precision forging and controlled heat treatment, they achieve dimensional stability, hardness, and resilience, making them perfect for high-pressure and high-temperature settings. Their corrosion resistance is further improved by surface treatments and coatings applied during the manufacturing process.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS C 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 C Bolts find extensive use in industries where high strength, high-temperature performance, and reliability are essential. You’ll commonly see them in power generation equipment, steam turbines, petrochemical and chemical plants, and pressure vessels. They’re perfect for securing flanges, heavy machinery, boilers, and critical structural connections that face extreme stress and elevated temperatures. MUKAU FASTENERS’ Class C Bolts promise safe and long-lasting performance in challenging environments.
At Mukau Fasteners, we ensure that our ASTM A 453 GR 660 Class C bolts are packaged with the utmost care to preserve their quality during transportation. Each bolt is meticulously inspected and packaged in sturdy, protective containers to prevent damage. Our packaging solutions include tamper-evident seals and clearly labeled boxes to ensure easy identification and handling. Whether in bulk or customized quantities, our packaging guarantees that the bolts reach you in pristine condition, ready for your high-demand applications.
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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