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Bilal Fasteners stands out as a top manufacturer and supplier of ASTM A193 B8 bolts right here in Jakarta, Indonesia. We’re all about delivering high-quality fastening solutions tailored for a variety of industrial needs. As a reliable name in the fastener world, our ASTM A193 B8 bolts are crafted to meet international standards, ensuring they offer exceptional strength, corrosion resistance, and reliability. With our state-of-the-art manufacturing facilities and rigorous quality checks, we serve crucial sectors like petrochemical, oil & gas, construction, and marine industries. Our ASTM A193 B8 bolts are designed for durability and performance, making us the go-to partner for fastener solutions throughout Indonesia and beyond.
ASTM A193 B8 bolts are crafted from austenitic stainless steel grade AISI 304, featuring a chemical makeup of 18-20% chromium and 8-12% nickel, which gives them outstanding corrosion resistance. They have a low carbon content to minimize carbide precipitation and maintain toughness. In terms of mechanical properties, these bolts boast a minimum tensile strength of 515 MPa (75 ksi), a yield strength of 205 MPa (30 ksi), and a maximum Rockwell hardness of HRC 35. They undergo solution annealing and strain hardening as per specifications, ensuring they excel in corrosive and high-temperature settings.
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8 Bolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200 mm
|
| 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 |
| 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% |
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.
Bilal Fasteners’ ASTM A193 B8 bolts are a popular choice in industries that demand high corrosion resistance and durability. They find extensive use in the petrochemical and chemical processing sectors, particularly in flanged joints of pipelines, valves, and pressure vessels. Their resistance to saltwater corrosion makes them perfect for marine applications. Construction projects that involve stainless steel structures and food processing facilities also reap the benefits of their hygienic and rust-resistant qualities. Plus, their ability to withstand high temperatures makes them a favored option for heat exchangers, boilers, and other critical applications.
Bilal Fasteners is a leading manufacturer and supplier of high-quality fasteners in Indonesia, Jakarta, with over 8 years of experience serving global industries.
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