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Brian Fasteners, headquartered in Houston, USA, is a reputable manufacturer and supplier of ASTM A193 B8 Stud Bolts. With years of experience in the industry, the organization is recognized for providing excellent quality fasteners that meet high international standards. Their ASTM A193 B8 Stud Bolts are designed to be durable, corrosion-resistant, and perform well even in challenging environments. Brian Fasteners blends accuracy manufacturing with effective service, guaranteeing prompt delivery and customer satisfaction for a range of industries, including oil and gas, petrochemical, and power generation sectors, positioning them as a go-to partner for industrial fastening solutions in America and worldwide.
ASTM A193 B8 Stud Bolts are manufactured from AISI 304 stainless steel, which offers high corrosion resistance with its chromium and nickel content. The material provides maximum tensile strength, satisfactory ductility, and good weldability. The bolts are normally associated with a minimum tensile strength of 75 ksi, yield strength of 30 ksi, and elongation of not less than 30%. The hardness is never more than 223 HBW. Their consistent mechanical properties and resistance to extreme temperatures and chemical exposure qualify them for high-pressure and high-temperature applications across various industries.
| 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 | |
| B8M Class 2 | Up to 3/4 | 110 | 95 | 15 | 45 |
| 7/8 – 1 | 100 | 80 | 20 | 45 | |
| 1-1/8 – 1-1/4 | 95 | 65 | 25 | 45 | |
| 1-3/8 – 1-1/2 | 90 | 50 | 30 | 45 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8 StudBolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200
|
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 A193 B8 Stud Bolts are extensively utilized in chemical plants, refineries, oil and gas plants, and power generation stations where high stresses prevail. Their high corrosion resistance and mechanical properties make them suitable for flanged connections in pressure vessels, piping systems, and heat exchangers. The bolts play a crucial role in ensuring structural stability at extreme pressure and temperature. Also, their resistance to scaling and oxidation as well as hardness makes them an offshore platform as well as marine industry favorite where operational efficiency and safety are highly dependent upon reliability and long service life.
Brian Fasteners ensures that ASTM A193 B8 Stud Bolts are packaged with the utmost care to maintain quality and integrity. Each stud bolt is individually inspected and protected in robust, corrosion-resistant packaging. They are neatly arranged in secure cartons or crates, labeled clearly for easy identification and traceability. Our packaging is designed to prevent damage during transit and handling, ensuring that you receive your fasteners in optimal condition. Choose Brian Fasteners for meticulously packaged, high-quality stud bolts.
Brian Fasteners is a leading manufacturer and supplier of high-quality fasteners in Houston , USA, with over 8 years of experience serving global industries.
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