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Mira Fasteners stands out as a top-notch manufacturer and supplier of ASTM A193 B8 Fasteners, proudly based in Kuala Lumpur, Malaysia. These fasteners are expertly made from AISI 304 stainless steel, specifically designed to thrive in high-temperature, corrosive, and demanding industrial settings. Catering to vital sectors like oil & gas, petrochemical, power generation, and marine, Mira Fasteners guarantees that every fastener adheres to strict international standards for strength, durability, and corrosion resistance, ensuring dependable performance throughout Malaysia and Southeast Asia.
ASTM A193 B8 Fasteners boast a minimum tensile strength of 515 MPa and are highly regarded for their outstanding resistance to oxidation, chemical exposure, and moderate heat. Crafted from austenitic stainless steel, these fasteners deliver impressive mechanical properties and corrosion resistance, making them ideal for pressure vessels, piping systems, flanged joints, and structural assemblies. The material’s natural resistance to intergranular corrosion, especially after welding, helps maintain the longevity and integrity of bolted connections even in tough conditions.
| 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 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.
These fasteners are available in various forms, including bolts, nuts, studs, and washers, and are often paired with compatible nuts and washers for secure, long-lasting assemblies. Mira Fasteners provides ASTM A193 B8 Fasteners in a range of sizes, thread types, and finishes to suit specific application needs. Their combination of strength, corrosion resistance, and reliability makes them a go-to choice for critical industrial bolting solutions.
We ensure that our ASTM A193 B8 fasteners are installed with the utmost care to maintain quality and integrity. Each binder is thoroughly inspected and packed to prevent damage during transport. We use durable, weather-resistant materials for packaging, ensuring safe delivery. Our packaging is designed for easy handling and storage while adhering to industry standards. Count on Mira Fasteners for a reliable and quality fastening solution for all your fastening needs.
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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