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Ramu Fasteners stands out as a leading **manufacturer and supplier in Hyderabad** of top-notch **ASTM A193 B6 Fasteners**, crafted to meet the toughest industrial standards. With cutting-edge production techniques, precise machining, and rigorous quality checks, the company provides dependable fasteners that comply with global specifications. Ramu Fasteners caters to essential industries like petrochemical, power generation, oil & gas, and heavy engineering, offering products built for durability and consistent performance in extreme temperatures and pressures. Renowned for its technical know-how, competitive pricing, and prompt delivery, Ramu Fasteners is the go-to choice for engineers and project partners in need of robust ASTM A193 B6 fasteners for challenging bolting tasks. ([ASTM Fasteners][1])
ASTM A193 B6 Fasteners are crafted from **12% chromium ferritic stainless steel (AISI 410)**, striking a perfect balance between strength and corrosion resistance, making them ideal for high temperatures and industrial use. The typical chemical composition includes carbon, manganese, phosphorus, sulfur, silicon, and chromium in carefully controlled amounts to boost mechanical performance. These fasteners undergo **quenching and tempering**, achieving a **minimum tensile strength of around 110 ksi and yield strength of about 85 ksi**, along with adequate elongation and reduction of area to ensure reliable structural integrity under load. ([ASTM Fasteners][1])
| 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 |
| Specifications | ASTM F593, F594, F1554 / ASME SF593, F594, F1554 |
| Standard | DIN : DIN 934, DIN 931, DIN 970, DIN 933 UTS : UNEF, NPT, UNC, UNS, UNF, NPTF ISO : JIS standards, ISO 4033, ISO 4032, ANSI – American National Standards Institute ASME B18.5 ANSI B 28.2.4 1M as per defined in ASME B16.5 standard length ANSI B 18.2.4 2M as per defined in ASME B18.2.2 |
| Size | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Length | 3 mm to 200 mm | Custom Sizes |
| Dimensions | DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3 |
| Form | Hex, Threading, Square, Round as per Gauge Etc. |
| Threads | Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically |
| Threads available | UNF, BSW, BSF, METRIC, UNC, or as required |
| Threads Configuration | ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads |
| Certification | Dual Certified As per ASTM & ASME Codes |
| Test Certificate | As per EN 10204 / 3.1 Manufacturer Test Certificate, PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified |
| Packing | IN BULK: canton, pallet, Small Boxs / carton / pallet, or customer request |
| Surface Coating | Cadmium Coating Hot Dipped Galvanizing Coating Ptfe Coated Phosphate Coating Teflon Coating Xylon Coating Zinc Coating |
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 fasteners made of chromium-molybdenum steel are known for high strength and excellent performance at high temperatures They are commonly used in applications requiring high tensile strength and high temperatures, such as water a it heats, pressure vessels and industrial equipment commonly used in the petrochemical and oil and gas industries The Components are protected. Their ability to withstand extreme conditions makes them ideal for critical applications where reliability and durability are paramount.
ASTM A193 B6 Fasteners find their place in a variety of applications that require **high tensile strength, moderate corrosion resistance, and thermal stability**. They are frequently specified for **pressure vessels, flanges, valves, heat exchangers, and piping systems** across sectors like petrochemical, chemical processing, power generation, and oil & gas. Their performance is also well-suited for **boilers, industrial machinery, and other demanding environments**, ensuring they meet the rigorous needs of modern engineering projects.
Ramu Fasteners is a leading manufacturer and supplier of high-quality fasteners in Hyderabad, India, with over 8 years of experience serving global industries.
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