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Hamad Fasteners, based in Riyadh, Saudi Arabia, has earned a solid reputation as a reliable manufacturer and supplier of top-notch fastening solutions tailored for industries around the globe. Known for their commitment to quality, precision, and compliance with international standards, the company offers products that are built to last and perform reliably in critical applications. Among their offerings, the ASTM A193 B8T Fasteners stand out for their impressive corrosion resistance, strength, and stability even at high temperatures. Crafted with cutting-edge technology and rigorous quality control, these fasteners are designed to deliver exceptional performance, even in the toughest industrial settings.
The ASTM A193 B8T Fasteners are constructed from austenitic stainless steel, specifically Type 321, which is stabilized with titanium. This titanium enhancement boosts their resistance to intergranular corrosion, making them a more dependable choice for high-temperature applications compared to standard grades. They boast a tensile strength of up to 125 ksi (860 MPa) and a yield strength of around 100 ksi (690 MPa), ensuring they are tough and durable. Their outstanding resistance to oxidation, scaling, and thermal stress makes them perfect for use in demanding service environments.
| 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 B8T Fasteners
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200 mm
|
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 B8T fasteners, made from stainless steel with enhanced high-temperature strength and resistance, are commonly used in high-temperature and high-pressure environments. They are ideal for applications in the petrochemical industry, power generation, and gas processing, where they withstand harsh conditions. Their corrosion resistance and strength make them suitable for boilers, pressure vessels, and exhaust systems. These fasteners also manufacture turbines, reactors, and other critical machinery requiring reliable performance under extreme conditions.
These fasteners are widely utilized across various industries, including petrochemical, oil and gas, marine, and power generation. You’ll often find them in pressure vessels, heat exchangers, turbines, boilers, and piping systems that operate under extreme conditions. Their ability to withstand oxidation and intergranular corrosion makes them particularly suited for refinery units, offshore platforms, and chemical plants. Plus, they are a go-to choice in construction and heavy machinery projects where secure, safe, and long-lasting connections are crucial to handle intense operational demands.
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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