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Yasin Fasteners, located in Istanbul, Turkey, has built a solid reputation as a reliable manufacturer and supplier of top-notch ASTM A193 B8 bolts, catering to a variety of industrial sectors around the globe. Renowned for their precision engineering and dependability, these bolts are crafted in line with international standards, ensuring they offer strength, durability, and resistance in tough environments. Yasin Fasteners is dedicated to providing products that meet the rigorous demands of industries like oil and gas, petrochemicals, power generation, and marine. With state-of-the-art facilities and a strong commitment to quality, the company delivers ASTM A193 B8 bolts that promise trustworthy fastening solutions for both critical and everyday applications.
ASTM A193 B8 bolts are renowned for their high tensile strength and excellent corrosion resistance, thanks to their 304 stainless steel composition. They maintain performance in high-temperature and high-pressure environments, making them ideal for demanding applications in industries like petrochemicals and chemical processing. Their resistance to oxidation and rust ensures longevity and reliability, reducing maintenance needs. Additionally, their durability in extreme conditions makes them a preferred choice for critical fastening tasks.
|
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.
These ASTM A193 B8 bolts are primarily made from austenitic stainless steel, specifically Grade 304, which includes chromium (18–20%), nickel (8–11%), and a balance of iron. This unique blend gives them outstanding corrosion resistance, impressive tensile strength, and long-lasting durability. They also show good toughness, even in cryogenic conditions, and maintain their mechanical integrity at elevated temperatures. Their mechanical properties boast a minimum tensile strength of about 75 ksi, a yield strength of 30 ksi, and excellent elongation, making them a reliable choice for demanding service conditions.
You’ll find ASTM A193 B8 bolts widely used in industries that require exceptional corrosion resistance and strength. They’re commonly found in chemical processing plants, oil refineries, marine settings, and power generation facilities where they face significant heat and corrosive agents. These bolts are also perfect for pressure vessels, heat exchangers, and flanges, thanks to their ability to endure high stress and temperature. Plus, ASTM A193 B8 bolts are favored in construction, pipeline systems, and food processing equipment, where hygiene, durability, and long-term performance are essential.
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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