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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 B Stud Bolts, crafted to meet the highest industrial performance standards. These stud bolts are built for tough applications, delivering remarkable strength, durability, and reliability even under extreme pressure and temperature. With precision manufacturing, they guarantee secure fastening in critical assemblies. Widely utilized in the petrochemical, power generation, and heavy engineering sectors, MUKAU FASTENERS’ Class B stud bolts are trusted for their ability to uphold structural integrity and ensure operational safety in the most demanding environments.
ASTM A 453 GR 660 Class B Stud Bolts are made from top-notch alloy steel, featuring controlled amounts of chromium, molybdenum, and carbon. They undergo advanced heat treatment to achieve impressive tensile strength, typically around 950 MPa, along with excellent toughness and hardness. These bolts provide outstanding resistance to fatigue, wear, and high-temperature deformation, making them perfect for critical applications that require robust mechanical stability and long-lasting reliability.
Material | Dimensions | Standards | Size | Length |
ASTM A453 GR 660 CLASS B Stud 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.
These stud bolts find extensive use in pressure vessels, boilers, heat exchangers, and industrial piping systems across the petrochemical, oil and gas, and power industries. They are also well-suited for heavy machinery, structural connections, and environments with high temperatures or pressures. Thanks to their excellent corrosion resistance and mechanical strength, ASTM A 453 GR 660 Class B stud bolts ensure secure, long-lasting fastening, enhancing operational efficiency and safety in vital industrial applications.
At Mukau Fasteners, we prioritize the safe and efficient delivery of ASTM A 453 GR 660 Class B Stud Bolts. Each stud bolt is meticulously packaged to ensure protection during transit and handling. We use high-quality, durable materials for packaging, including custom-sized boxes or crates, with secure padding to prevent damage. Our packaging also includes clear labeling for easy identification and tracking. This approach guarantees that your fasteners arrive in optimal condition, ready for immediate use.
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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