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Murad Fasteners stands out as a trusted manufacturer and supplier based in Doha, Qatar, specializing in high-quality ASTM A193 B8T Fasteners that are perfect for high-temperature and high-pressure applications. Thanks to their advanced manufacturing techniques and rigorous quality control measures, Murad Fasteners ensures that their products boast precise dimensions, a superb surface finish, and reliable performance. These fasteners have earned a solid reputation in critical industrial settings. Catering to the oil and gas, petrochemical, power generation, and industrial sectors, Murad Fasteners is committed to meeting international standards while offering customized options, competitive pricing, and prompt delivery.
The ASTM A193 B8T Fasteners are crafted from austenitic stainless steel, akin to Type 321, and are stabilized with titanium to prevent carbide precipitation. This alloy is enriched with chromium and nickel, providing excellent resistance to corrosion and oxidation, while titanium enhances stability at high temperatures. On the mechanical side, these fasteners deliver impressive tensile and yield strength, outstanding toughness, and high ductility. They are specifically engineered to perform reliably under elevated temperatures, offering superior creep resistance and stress rupture strength during extended thermal exposure.
| 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.
You’ll find ASTM A193 B8T Fasteners commonly utilized in high-temperature and high-pressure scenarios where strength and corrosion resistance are crucial. They are frequently used in heat exchangers, boilers, pressure vessels, flanged joints, and piping systems across oil and gas, petrochemical, and power plants. These fasteners are particularly well-suited for assemblies that face continuous heat, thermal cycling, and corrosive conditions. Their durability, thermal stability, and mechanical reliability make them an excellent choice for critical industrial fastening needs.
We prioritize quality by conducting rigorous tests, including Hardness Tests, Spectro Analysis, and PMI Testing, on all our materials before dispatch. We provide essential documents such as commercial invoices, packing lists, Certificates of Origin, and Guarantee Letters to ensure client satisfaction. Additionally, we offer Third Party Inspection Certificates to affirm our commitment to delivering top-tier products. Our comprehensive approach underscores our dedication to maintaining the highest standards and ensuring the reliability of our fasteners.
Murad Fasteners is a leading manufacturer and supplier of high-quality fasteners in Doha, Qatar, with over 8 years of experience serving global industries.
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