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Shelton Fasteners, which is Midland, UK-based, is a renowned high-quality fasteners supplier that supplies a comprehensive series of precision-engineered products for multiple industries. They supply ASTM A193 B8 stud bolts that are constructed using austenitic stainless steel containing 18-20% chromium and 8-10% nickel. The stud bolts in different sizes and shapes are of high strength, corrosion-resistant, and long-lasting, which makes them perfect for use under high-temperature and high-pressure conditions.
ASTM A193 B8 stud bolts are manufactured using austenitic stainless steel, which has 18-20% chromium and 8-10% nickel. The stud bolts have high tensile strength, approximately 75 ksi (515 MPa), and superior yield strength. They have excellent corrosion resistance, particularly in high-temperature and aggressive conditions. With superior durability, formability, and oxidation resistance, these stud bolts are suitable for severe industrial applications, such as pressure vessels and reactors.
| 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 typically employed in industries that need high-strength, corrosion-resistant fasteners, especially in high-temperature and high-pressure conditions. They are extensively utilized in industries like petrochemical, oil and gas, power generation, and aerospace. They are employed in critical applications such as pressure vessels, flanges, heat exchangers, reactors, and turbines, providing consistent performance and safety in challenging industrial systems and infrastructure.
ASTM A193 B8 stud bolts come with detailed test certificates, ranging from mechanical property reports to chemical composition and dimension accuracy, in order to verify compliance with industry standards. Batches are intensively inspected against quality control before shipping. Corrosion-proof materials are used to pack stud bolts securely against damage during shipment. Trustworthy global delivery providers guarantee the delivery of products both promptly and securely, fulfilling big orders as well as special project needs.
Shelton Fasteners is a leading manufacturer and supplier of high-quality fasteners in Midland, UK, with over 12 years of experience serving global industries.
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