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Mazin Fasteners is a trusted manufacturer and supplier of ASTM A193 B8M Stud Bolts, proudly based in Muscat, Oman. They specialize in providing corrosion-resistant bolting solutions tailored for tough industrial settings. The company places a strong emphasis on precision manufacturing, rigorous quality control, and adherence to international standards. With state-of-the-art production facilities and a team of skilled professionals, Mazin Fasteners delivers stud bolts that are built to withstand corrosive and high-pressure conditions. Their dedication to material traceability, consistent quality, and timely delivery has made them a reliable partner for the chemical, petrochemical, marine, and offshore industries.
ASTM A193 B8M Stud Bolts are crafted from austenitic stainless steel, which is comparable to Type 316, and includes chromium, nickel, and molybdenum. The inclusion of molybdenum greatly boosts resistance to pitting and crevice corrosion, particularly in environments rich in chlorides. These stud bolts are known for their impressive tensile strength, high ductility, and outstanding toughness. Their mechanical properties guarantee dependable load-bearing capacity, dimensional stability, and resistance to stress corrosion cracking, making them perfect for long-term use in harsh and corrosive conditions.
| Element | B8 | B8 | B8M |
| Carbon | 0.37 – 0.49% | 0.08% max | 0.08% max |
| Manganese | 0.65 – 1.10% | 2.00% max | 2.00% max |
| Phosphorus, max | 0.035% | 0.045% | 0.045% |
| Sulfur, max | 0.040% | 0.030% | 0.030% |
| Silicon | 0.15 – 0.35% | 1.00% max | 1.00% max |
| Chromium | 0.75 – 1.20% | 18.0 – 20.0% | 16.0 – 18.0% |
| Nickel | 8.0 – 11.0% | 10.0 – 14.0% | |
| Molybdenum | 0.15 – 0.25% | 2.00 – 3.00% |
| Grade | Size | Tensile ksi, min | Yield, ksi, min | Elong, %, min | RA % min |
| B7 | Up to 2-1/2 | 125 | 105 | 16 | 50 |
| 2-5/8 – 4 | 115 | 95 | 16 | 50 | |
| 4-1/8 – 7 | 100 | 75 | 18 | 50 | |
| B8 Class 1 | All | 75 | 30 | 30 | 50 |
| B8M Class 1 | All | 75 | 30 | 30 | 50 |
| B8 Class 2 | Up to 3/4 | 125 | 100 | 12 | 35 |
| 7/8 – 1 | 115 | 80 | 15 | 35 | |
| 1-1/8 – 1-1/4 | 105 | 65 | 20 | 35 | |
| 1-3/8 – 1-1/2 | 100 | 50 | 28 | 45 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8M StudBolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200
|
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 A193 B8M Stud Bolts find extensive use in scenarios that demand exceptional corrosion resistance and reliable mechanical performance. They are commonly utilized in chemical processing plants, petrochemical refineries, offshore platforms, marine equipment, and desalination facilities. Additionally, these bolts are widely employed in piping systems, valves, pumps, heat exchangers, and pressure vessels that come into contact with corrosive substances. They consistently perform well under high pressure, fluctuating temperatures, and challenging environments. Their ability to resist chloride-induced corrosion makes them an excellent choice for critical applications where safety is paramount.
Mazin Fasteners ensures that ASTM A193 B8M stud bolts are meticulously packaged to maintain their quality and integrity. Each bolt is individually inspected and then securely packed in robust, moisture-resistant materials to prevent damage during transit. Packaging options include sturdy cartons or wooden crates, depending on order size and customer specifications. The packaging also features clear labeling for easy identification and traceability, ensuring that the bolts reach their destination in optimal condition.
Mazin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Muscat, OMAN, with over 8 years of experience serving global industries.
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