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Pengkumta Fasteners, a reputable manufacturer and supplier located in Bangkok, Thailand, specializes in high-quality ASTM A194 GR.8 Bolts that are perfect for high-strength applications in tough industrial settings. Crafted from alloy steel and meticulously designed to comply with ASTM A194 standards, these bolts offer outstanding tensile strength, toughness, and dependable performance even in high-pressure and high-temperature situations. With their precise threading, top-notch finishing, and rigorous quality control, Pengkumta guarantees that GR.8 Bolts provide consistent and long-lasting performance, making them an excellent choice for industries like petrochemical, oil and gas, power generation, and heavy engineering, where secure and durable fastening is a must.
ASTM A194 GR.8 Bolts are made from premium alloy steel, heat-treated to achieve a minimum tensile strength of about 830 MPa and a yield strength of around 560 MPa. They boast impressive hardness, impact resistance, and mechanical durability, making them ideal for high-pressure and high-stress environments. These bolts maintain reliable performance even under elevated temperatures, heavy loads, and harsh industrial conditions. Their robust composition and mechanical properties ensure safe and secure fastening in critical applications where strength and reliability are paramount.
| 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.
ASTM A194 GR.8 Bolts are commonly used across various industries that demand high-strength and reliable fasteners. In the oil and gas sector, you’ll find them in pipelines, pressure vessels, and refineries. The petrochemical industry utilizes them in reactors, heat exchangers, and process equipment. Additionally, the power generation and heavy machinery sectors depend on these bolts for turbines, pumps, and structural assemblies that face high loads and extreme conditions. With their strength, durability, and stress resistance, ASTM A194 GR.8 Bolts are a trustworthy solution for essential industrial fastening needs.
We offer a range of packaging methods, including wooden boxes and crates, to ensure the safe delivery of our ASTM A194 GR.8 Bolts. We provide comprehensive test reports, including raw material, chemical, and alloy tests, to guarantee the highest quality. Additionally, we offer various certifications, such as ISO certificates, 100% radiography, and mill test certificates, to demonstrate our commitment to excellence and the use of top-grade raw materials in our products.
Pengkumta Fasteners is a leading manufacturer and supplier of high-quality fasteners in Bangkok, Thailand, with over 8 years of experience serving global industries.
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