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Alloy 20 stud bolts are used to fasten materials made from Alloy 20, a Nickel-Iron-Chromium alloy containing Copper and Molybdenum for better corrosion resistance. These bolts are applied in areas with high chances of corrosion, such as chemical, food, and pharmaceutical companies. They are highly resistant to sulfuric acid and other aggressive materials and, therefore, are suitable for applications that would otherwise cause rusting of regular steel bolts. Alloy 20 stud bolts are widely used due to their high-performance levels in harsh environments.
Specification | ASTM F468, B473 / ASME SF468, SB473 |
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Size | M02 to M33, Custom Sizes |
Length | 3 mm to 200 mm |
Stud Bolt | UNF, BSW, BSF, METRIC, UNC, or as required |
Standard | DIN 525, DIN 835, DIN 938, DIN 939, DIN 940, DIN 949-1, DIN 949-2, DIN 975, DIN 976, DIN 2509, BS 2693, BS 3692, BS 4439, IS 1862, IS 13178, ANSI/ASME B18.31.2, ANSI/ASME B16.5 |
Form | Hex, Threading, Square, Round as per Gauge Etc. |
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 |
Types | Stud Bolts, Fully Threaded Stud Bolts, Tap End Stud Bolts, Double End Stud Bolts, Stud Bolts with Reduced Shank, Reduced Shank, Flange Stud Bolts, Flange Bolting, Weld Studs |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
8.47 g/cm3 | 1413 °C (2580 °F) | 655 MPa, 95000 psi | 310 MPa, 45000 psi | 45 % |
Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
Inconel 600 | 0.15 max | 1.00 max | 0.50 max | 0.015 max | 0.50 max | 6.00 – 10.00 | 72.00 min | 14.00 – 17.00 |
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We offer These Alloy 20 Stud Bolts as per DIN, ISO, JIS or ANSI Standard.
Alloy 20 Stud Bolts applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Alloy 20 stud bolts can typically withstand temperature ranges from cryogenic temperatures as low as -325°F (-198°C) up to elevated temperatures around 1200°F (649°C). This wide temperature tolerance makes them suitable for applications where temperature variations are considered.
Alloy 20 stud bolts can be welded using conventional welding techniques such as gas tungsten arc welding (GTAW) or gas metal arc welding (GMAW). Proper welding procedures and filler materials compatible with Alloy 20 should be employed to maintain the bolt’s corrosion resistance and mechanical properties.
Alloy 20 stud bolts are suitable for hygienic and sanitary applications, such as in the pharmaceutical and food processing industries, due to their corrosion resistance and ability to maintain high purity levels. Their resistance to corrosive chemicals and ease of cleaning make them ideal for environments requiring strict hygiene standards.
Yes, Alloy 20 stud bolts can be recycled after use. Being a high-nickel alloy, Alloy 20 is recyclable through processes like scrap metal recycling, which can be melted down and reused to create new metal products, contributing to sustainability efforts in the industry.
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