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Hamad Fasteners, based in Riyadh, Saudi Arabia, has built a solid reputation as a reliable manufacturer and supplier of high-performance fastening solutions that meet international quality standards. The company is renowned for delivering durable, precise, and dependable products that cater to critical applications across various industries. One of their standout offerings, the ASTM A193 B8 Stud Bolts, is particularly celebrated for its corrosion resistance, strength, and capability to perform under high-temperature and high-pressure conditions. Crafted using advanced manufacturing techniques and rigorous quality assurance, these stud bolts promise long-lasting performance even in demanding environments.
These ASTM A193 B8 Stud Bolts are made from austenitic stainless steel, usually Type 304, which provides exceptional resistance to oxidation and corrosion. They boast a tensile strength of around 75 ksi (515 MPa) and a yield strength of 30 ksi (205 MPa), ensuring they are both durable and mechanically reliable. Their non-magnetic properties, high ductility, and ability to handle thermal cycling make them perfect for severe service conditions. These characteristics guarantee dependable fastening strength, making them an excellent choice for both general and critical industrial applications.
| Element | B7 | 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 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 7/8 – 1 | 100 | 80 | 20 | 45 | |
| 1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8 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 B8 Stud Bolts are widely used in industries requiring high-strength and corrosion-resistant fastening solutions. Key applications include petrochemical plants, oil and gas refineries, and power generation facilities. These bolts are essential for securing pressure vessels, flanges, valves, and pipeline assemblies in high-temperature and high-pressure environments. Their superior durability and reliability make them ideal for critical operations, ensuring safety and stability in demanding conditions. Choose ASTM A193 B8 Stud Bolts for dependable performance in challenging industrial applications.
You’ll find ASTM A193 B8 Stud Bolts widely used in sectors like petrochemicals, oil and gas, power generation, and marine industries. They are often found in flanges, boilers, pressure vessels, heat exchangers, and pipeline systems where corrosion resistance and strength are crucial. Their resilience against harsh environments, chemical exposure, and high temperatures makes them ideal for refineries, offshore platforms, and chemical plants. Plus, they’re also used in heavy machinery and structural assemblies to ensure secure fastening, safety, and a long service life even under tough operating conditions.
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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