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Punit Fasteners, a well-respected manufacturer and supplier located in Delhi, India, specializes in high-quality ASTM A193 B6 Fasteners that are built for outstanding strength, durability, and resistance to corrosion. These fasteners find their place in various industries, including petrochemical, oil and gas, construction, and power generation, where they need to perform reliably even in high-pressure, high-temperature, and mildly corrosive environments. Crafted to meet ASTM standards, ASTM A193 B6 Fasteners are made from martensitic stainless steel and are precision-engineered to ensure secure, long-lasting connections. Punit Fasteners is committed to providing dependable fastening solutions for challenging industrial and structural applications around the globe.
ASTM A193 B6 Fasteners are made from stainless steel that matches Grade 410, a martensitic stainless alloy with about 11.5–13.5% chromium. This composition offers moderate corrosion resistance while delivering excellent hardness and strength. These fasteners undergo heat treatment to achieve a tensile strength of approximately 620 MPa and a yield strength of around 380 MPa, making them perfect for high-stress applications. Although they may not be as corrosion-resistant as austenitic grades, their hardness, mechanical strength, and ability to endure elevated temperatures make them ideal for heavy-duty bolting requirements.
| 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.
You’ll find ASTM A193 B6 Fasteners widely used in industries where strength and moderate corrosion resistance are key. They are commonly found in petrochemical plants, oil refineries, boilers, and pressure vessels, as well as in valves, pumps, and flanges that operate under high pressure and temperature. The construction and power generation sectors also depend on these fasteners for structural connections, turbines, and industrial equipment. Providing a reliable and cost-effective solution, ASTM A193 B6 Fasteners ensure secure assemblies in demanding environments where mechanical strength is essential.
Punit Fasteners is a leading manufacturer and supplier of high-quality fasteners in Delhi, India, with over 15 years of experience serving global industries.
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