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Yasin Fasteners, located in Istanbul, Turkey, stands out as a top manufacturer and supplier of ASTM A193 B8 CL3 Stud Bolts, providing precision-engineered fastening solutions to industries around the globe. Renowned for their reliability and durability, these stud bolts are crafted to meet international standards and excel in tough environments. Thanks to cutting-edge manufacturing techniques and rigorous quality control, Yasin Fasteners guarantees that every product upholds the highest benchmarks for strength and resistance to corrosion. The company is dedicated to delivering exceptional products that cater to the varied needs of clients in sectors like oil, gas, petrochemicals, power generation, and heavy engineering.
| 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 |
Material | Specification | Standards | Size | Length |
ASTM A193 B8 CL3 StudBolt | 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.
The ASTM A193 B8 CL3 Stud Bolts are made from premium austenitic stainless steel, mainly Type 304. Their unique composition, which includes controlled amounts of chromium, nickel, and carbon, ensures outstanding resistance to both corrosion and oxidation. These bolts undergo solution treatment and strain hardening, which boosts their tensile strength, hardness, and resistance to stress rupture compared to lower classes. With their superior mechanical properties, they reliably perform in high-pressure and high-temperature settings, making them ideal for critical industrial applications where durability, safety, and longevity are crucial.
You’ll find ASTM A193 B8 CL3 Stud Bolts widely utilized in industries that demand secure fastening in harsh environments. They are commonly used in oil refineries, chemical processing facilities, and power generation plants where high-pressure and high-temperature conditions are the norm. Their corrosion resistance makes them perfect for marine and offshore structures, while their mechanical strength supports essential equipment like pressure vessels, boilers, flanges, and heat exchangers. Moreover, these bolts are favored in the nuclear and petrochemical industries, where top-notch reliability is a must. Their versatility guarantees consistent performance across challenging engineering and industrial applications.
Yasin Fasteners is a leading manufacturer and supplier of high-quality fasteners in Istanbul, Turkey, with over 8 years of experience serving global industries.
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