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Houston, USA-based Brian Fasteners is a reliable manufacturer and supplier of premium ASTM A193 B8M Stud Bolts. Distinguished by precise engineering and consistent performance, Brian Fasteners produces excellent fastening products that conform to international standards for demanding industrial purposes. Prioritizing quality control and punctual delivery, the company caters to various sectors such as oil and gas, petrochemical, power generation, and construction. Brian Fasteners blends technical knowledge with customer-oriented service and is the first choice for clients looking for corrosion-resistant stud bolts for harsh environments and high-pressure applications.
ASTM A193 B8M Stud Bolts are manufactured using austenitic stainless steel, Type 316, with superior corrosion resistance by the inclusion of molybdenum. The chemical makeup comprises 16-18% chromium, 10-14% nickel, and 2-3% molybdenum. These bolts provide high tensile strength (minimum 75 ksi), yield strength (minimum 30 ksi), and satisfactory elongation (minimum 30%), guaranteeing long-term performance in hostile environments. They are heat-treated to optimize mechanical properties and deliver consistent performance in high-temperature and high-pressure applications, particularly where corrosion resistance is paramount, like marine, chemical processing, and offshore installations.
| Element | B8 | 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 B8M 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 B8M Stud Bolts are widely used in applications requiring high corrosion resistance and strength, including chemical processing, marine, pharmaceutical, and offshore oil and gas production. Their superior performance in chloride-rich and high-temperature conditions makes them suitable for heat exchangers, pressure vessels, flanges, valves, and piping systems. These bolts provide secure fastening in corrosive and high-stress conditions, minimizing the risk of equipment failure. B8M Stud Bolts are much appreciated for long-term dependability, particularly in areas where safety and performance are simply unacceptable under harsh conditions.
Brian Fasteners ensures that ASTM A193 B8M stud bolts are meticulously packaged to maintain their quality and integrity. Each bolt is individually inspected and then securely packed in robust, moisture-resistant materials to prevent damage during transit. Packaging options include sturdy cartons or wooden crates, depending on order size and customer specifications. The packaging also features clear labeling for easy identification and traceability, ensuring that the bolts reach their destination in optimal condition.
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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