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Hamad Fasteners, located in Riyadh, Saudi Arabia, stands out as a top-notch manufacturer and supplier of industrial-grade fasteners that meet the highest international standards. Known for their reliability and quality, Hamad Fasteners provides a wide range of fastening solutions specifically designed for demanding industries. One of their standout products, the ASTM A193 B8M Stud Bolts, is highly regarded for its exceptional corrosion resistance and strength. These stud bolts are crafted for high-pressure and high-temperature applications, making them perfect for harsh environments, and they are a trusted choice in sectors like oil and gas, chemical processing, and marine.
The ASTM A193 B8M Stud Bolts are made from AISI 316 stainless steel, which is celebrated for its outstanding corrosion resistance thanks to the inclusion of molybdenum (2–3%). Their chemical makeup features 16–18% Chromium, 10–14% Nickel, and a low carbon content that enhances weldability while minimizing carbide precipitation. These stud bolts boast a minimum tensile strength of 75 ksi and a yield strength of 30 ksi. Their superior resistance to chloride environments and oxidizing acids makes them perfect for aggressive, corrosive conditions, ensuring they maintain mechanical integrity and long-lasting performance even under extreme service 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.
You’ll find ASTM A193 B8M Stud Bolts widely used in industries where chemical resistance and corrosion protection are crucial. They’re commonly found in pressure vessels, heat exchangers, flanged joints, and piping systems on offshore platforms, in desalination plants, and within chemical processing units. These stud bolts excel in environments rich in chlorides, acids, and salts. With their sturdy construction, excellent mechanical properties, and resistance to crevice and pitting corrosion, they are the ideal choice for critical connections that require secure fastening in challenging environmental and operational conditions.
Hamad 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.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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