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Hamad Fasteners, a top-notch manufacturer and supplier based in Riyadh, Saudi Arabia, is well-known for delivering high-quality fastening solutions tailored for tough industrial applications. Among their standout products, ASTM A193 B8 Bolts are designed to offer exceptional corrosion resistance, strength, and durability, making them perfect for critical environments like petrochemical plants, offshore platforms, power generation facilities, and chemical processing industries. Built to meet international standards, these bolts guarantee long-lasting reliability, impressive mechanical performance, and secure fastening even in the harshest operating conditions.
Crafted from stainless steel Grade 304 or 316, these bolts contain chromium and nickel, with Grade 316 featuring molybdenum for added corrosion resistance. They boast high tensile and yield strength, toughness, and remarkable resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, they hold their structural integrity under varying temperatures, high-pressure situations, and exposure to corrosive substances, ensuring reliable performance in critical applications.
|
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.
You’ll find these bolts commonly used in pipelines, heat exchangers, pressure vessels, marine equipment, chemical processing units, and refineries. They’re also a great fit for power generation systems and structural assemblies where corrosion resistance and mechanical strength are crucial. With their blend of durability, reliability, and resistance to tough environments, ASTM A193 B8 Bolts offer secure and long-lasting fastening solutions across a wide array of industrial applications.
At Hamad Fasteners, ASTM A193 B8 bolts are carefully packaged to ensure they reach you in pristine condition. Each bolt is individually inspected and wrapped to prevent damage during transit. Our packaging includes protective coatings and sturdy containers to safeguard against corrosion and mechanical stress. Additionally, we provide detailed labeling for easy identification and inventory management. Our commitment to careful packaging ensures that your high-quality fasteners arrive ready for use, maintaining their integrity and performance.
Hamad Fasteners is one of the Industrial suppliers and manufacturers of quality fasteners in Riyadh, Saudi Arabia, that has spent more than 12 years serving various industries.
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