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Bilal Fasteners is a reliable manufacturer and supplier of ASTM A194 Grade 8 bolts based in Jakarta, Indonesia. We specialize in providing high-performance fastening solutions tailored for critical industrial applications. Our Grade 8 bolts are crafted from top-quality materials and utilize advanced manufacturing techniques to comply with international standards and meet the rigorous demands of our customers. With a strong emphasis on durability, precision, and resistance to corrosion, we cater to a variety of industries, including oil & gas, petrochemicals, power plants, and heavy engineering. Bilal Fasteners is well-known for our dedication to quality, prompt delivery, and outstanding service, making us a go-to source for ASTM A194 Grade 8 bolts throughout Indonesia.
ASTM A194 Grade 8 bolts are made from austenitic stainless steel, primarily using AISI 304/304L material. Their chemical makeup consists of 18–20% chromium and 8–10.5% nickel, with a low carbon content (≤0.08%) that enhances weldability and corrosion resistance. These bolts boast impressive mechanical properties, featuring a minimum tensile strength of 515 MPa (75 ksi) and a minimum yield strength of 205 MPa (30 ksi), along with a maximum Rockwell hardness of HRC 32. The blend of mechanical strength and resistance to both atmospheric and chemical corrosion makes ASTM A194 Grade 8 bolts exceptionally reliable in various environments.
| Element | ASTM A194 GR.8 |
| Carbon | 0.08 max |
| Manganese | 2.00 Max |
| Phosphorus, max | 0.05% |
| Sulfur, max | 0.03% |
| Silicon | 1.00% max |
| Chromium | 18.0-20.0% |
| Nickel | 8.0-11.0% |
| Molybdenum | 0.20-0.35% |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 550 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 240 |
| Elongation in 4D (El) | 30 |
| Reduction | 40 |
| Hardness – (BHN) | 223 |
Material | Specification | Standards | Size | Length |
ASTM A194 GR.8 Bolts | 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.
Bilal Fasteners’ ASTM A194 Grade 8 bolts are extensively used in industries that demand exceptional corrosion resistance and strength. These bolts are frequently found in flanged joints of piping systems, valves, pressure vessels, and heat exchangers, particularly in oil & gas, petrochemical, and marine sectors. Their austenitic stainless steel composition guarantees outstanding performance in conditions where moisture, chemicals, and high temperatures are present. Moreover, they are ideal for applications in construction, food processing equipment, and power generation projects, where hygiene and reliability are paramount.
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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