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Rinku Fasteners, based in Kolkata, India, has built a solid reputation as a top-notch manufacturer and supplier of high-quality ASTM A193 B8C Stud Bolts. With a focus on precision engineering and rigorous quality control, they utilize only the finest stainless-steel materials to ensure their products meet international performance and safety standards. Rinku Fasteners is committed to delivering durable, corrosion-resistant, and high-temperature fastening solutions tailored for demanding industries. Their state-of-the-art manufacturing facilities and customer-centric approach allow them to effectively serve sectors like petrochemicals, refineries, marine engineering, power generation, and heavy machinery. Their dedication to excellence, timely delivery, and reliability has established them as a go-to supplier for ASTM A193 B8C Stud Bolts.
ASTM A193 B8C Stud Bolts are crafted from austenitic stainless steel, usually Grade 347, which is stabilized with columbium (niobium) to boost corrosion resistance and high-temperature strength. This specific alloy composition offers remarkable resistance to oxidation, stress corrosion cracking, and exposure to various chemicals. On the mechanical side, B8C Stud Bolts showcase impressive tensile and yield strength, good elongation, and consistent performance under thermal stress. Their toughness and structural integrity at elevated temperatures make them perfect for critical bolting applications where durability, reliability, and long-term mechanical stability are a must.
| 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% |
| Tensile Strength/Ultimate Tensile Stress (UTS) – (Mpa) | 515 |
| Yield Strength/Proof Stress(0.2% Offset) (YS) – (Mpa) | 205 |
| Elongation in 4D (El) | 30 |
| Reduction | 50 |
| Hardness – (BHN) | 0 |
|
Material |
Specification |
Standards |
Size
|
Length |
|
ASTM A193 B8C Stud Bolt
|
IS
BS
ASTM
|
DIN, ISO, JIS, GB, IS, BS, ASTM |
M 02 to M 160
|
3 mm to 200 mm
|
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 ASTM A193 B8C Stud Bolts in a variety of industries that demand robust, corrosion-resistant, and high-temperature fastening systems. They’re commonly used in petrochemical plants, oil refineries, power generation facilities, marine environments, and chemical processing plants. These stud bolts are particularly effective for securing equipment like heat exchangers, boilers, reactors, pressure vessels, flanges, and high-temperature piping systems. Their outstanding resistance to oxidation ensures they can handle the toughest conditions.
At Rinku Fasteners, we ensure the highest quality for our ASTM A193 B8C stud bolts through meticulous packaging. Each stud bolt is carefully inspected and packed in robust, tamper-evident containers to prevent damage during transit. Our packaging includes clear, industry-standard labeling for easy identification and traceability. Designed to protect against environmental factors, our packaging solutions ensure that the fasteners arrive in optimal condition, ready for use in high-temperature and high-pressure applications.
Rinku Fasteners is a leading manufacturer and supplier of high-quality fasteners in Kolkata, India, with over 8 years of experience serving global industries.
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