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Rinku Fasteners, a leading manufacturer and supplier based in Kolkata, India, offers premium-quality ASTM A193 B6 Stud Bolts designed to meet the demanding needs of modern industries. Known for durability, precision, and consistent performance, our B6 stud bolts are crafted using high-grade stainless steel to ensure strength and resistance in elevated temperature environments. We follow strict international standards and thorough quality checks to guarantee reliability in every batch. Industries across power generation, petrochemicals, oil and gas, and thermal plants trust Rinku Fasteners for products that deliver long-lasting performance, timely delivery, and unmatched customer support.
ASTM A193 B6 Stud Bolts are manufactured from AISI 410 stainless steel, a martensitic grade known for its high hardness and excellent mechanical strength. The composition includes chromium, giving it moderate corrosion resistance and strong oxidation resistance. These bolts are heat-treated to achieve superior tensile and yield strength, making them suitable for high-temperature and high-stress environments. B6 Stud Bolts offer good toughness, firmness, and wear resistance, ensuring reliability in demanding applications. Their stable mechanical properties make them ideal for critical bolting in thermal, industrial, and pressure-based systems.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| B6 (AISI 410) | 0.08 – 0.15 | 1.00 max | 1.00 max | 0.040 max | 0.030 max | 11.5 – 13.5 | 0.20-0.35 | – | – |
| Bolt Grade | Diameter, in. | Tensile Strength, ksi | Yield Strength ksi | Elongation, % | Reduction, % | Hardness |
|---|---|---|---|---|---|---|
| B6 | up to 4, inclusive | 110 | 85 | 15 | 50 | Not Defined |
| Dimensions | ASME B18.2.1, B18.3 |
|---|---|
| Melt Origin | Korea, South America, Japan, East Europe, |
| ASTM Standard | A193 B6: Class 1 Stainless Steel, AISI 316 |
| Mandatory Requirements | Free from Mercury & Radioactive Contamination |
| Additional Certifications | PED 97/ 23/ EC Certified, Merkblatt AD 2000 W2 Certified |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Additional Requirements | NACE MR0103 / MR0175 / ISO 15156 Compliance |
| Threads Configuration | ASME B1.1 2A/3A Inch Unified Threads and B1.13M 6h Metric Coarse Threads |
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 B6 Stud Bolts are widely used in high-temperature and high-pressure applications due to their strength and heat resistance. Industries such as oil refineries, petrochemical units, thermal power stations, and steam plants extensively rely on these fasteners. They are ideal for securing flanges, boilers, turbine housings, heat exchangers, and pressure vessels. Their wear resistance and durability make them suitable for rotating equipment, valve assemblies, and structural connections exposed to elevated temperatures. Known for maintaining integrity under harsh conditions, ASTM A193 B6 Stud Bolts provide long-term reliability in critical process environments.
We maintain strict quality control by performing various tests such as Hardness, Spectro Analysis, PMI Testing, Flattening, Micro and Macro Tests, Pitting Resistance, Flaring, and IGC Tests. We provide detailed documentation, including commercial invoices, packing lists, Certificates of Origin, and Guarantee Letters. To ensure complete client satisfaction, we also offer Third-Party Inspection Certificates.
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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