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Mira Fasteners is a trusted manufacturer and supplier of ASTM A193 B8T Fasteners, located in Kuala Lumpur, Malaysia. These fasteners are specifically crafted for situations where outstanding corrosion resistance and reliable mechanical performance are crucial. Made from stabilized stainless steel, B8T fasteners find their place in industries like chemical processing, power generation, marine applications, and food-grade environments. Mira Fasteners follows strict international manufacturing standards, guaranteeing consistent product quality, timely delivery, and dependable performance throughout Malaysia and Southeast Asia.
ASTM A193 B8T Fasteners are made from AISI 321 stainless steel, which is titanium-stabilized to avoid carbide precipitation during welding and exposure to high temperatures. These fasteners boast a minimum tensile strength of 515 MPa and provide excellent resistance to intergranular corrosion, especially in heat-affected zones. Their unique chemical makeup makes them perfect for welded structures and components that face varying thermal conditions. B8T fasteners come in various forms, including bolts, nuts, screws, washers, and stud bolts, making them suitable for both static and dynamic 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 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 often find these fasteners in pressure vessels, heat exchangers, reactors, and flanged piping systems operating in high-temperature or corrosive environments. Their ability to maintain mechanical integrity under stress and temperature changes makes them ideal for long-term use in demanding industrial settings. Mira Fasteners offers ASTM A193 B8T Fasteners in a range of sizes, thread configurations, and surface finishes to meet specific application requirements. With their proven durability and resistance, B8T fasteners deliver reliable performance for critical operations where stability and corrosion protection are essential.
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.
Mira Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kuala lumpur, Malaysia, with over 8 years of experience serving global industries.
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