Hardness testing to ISO 6508-1
Alloy 20 hex bolts are fasteners that are specifically designed for applications requiring exceptional resistance to corrosion and acidic environments. They are constructed from Alloy 20, a high-performance, nickel-iron-chromium alloy. These bolts have a hexagonal head, which allows for easy tightening and loosening with a wrench or socket.
One of the most notable properties of Alloy 20 is its resistance to a wide range of corrosive elements, such as sulfuric acid, phosphoric acid, nitric acid, and chloride solutions. This makes Alloy 20 hex bolts suitable for various industries, including chemical processing, petrochemical, pharmaceutical, and food processing.
The key features of Alloy 20 hex bolts include:
|Specifications||ASTM A193 / ASME SA193|
|Standard||ISO, ASTM, DIN, JIS, IS, GB, BS, and all International Standards|
|Size||M3 – M56 | 3/6″ to 2″ | Custom Sizes|
|Length||3 to 200 mm|
|DIN Standard||B.S. DIN 931, DIN 933, DIN 912, DIN 934, DIN 6923, DIN 603, DIN 7981, DIN 970, DIN916, DIN 7982, DIN 7985, DIN 913|
|UTS||NPT, UNS, UNF, UNC, UNEF, NPTF|
|ISO||ISO 4033, ISO 4032, ISO 7380, ISO 4017, JIS standards|
|Threads||UNF, BSW, BSF, METRIC, UNC, or as required|
|Surface Coating||Black Oxide, Cadmium, Galvanized, Teflon, Xylan, Zinc, Others Upon Request|
|Manufacturing Process||Wire Drawing, Cold Heading, Insert tapping, Heat Treatment, Surface Plating, Inspection, Packing.|
In applications where safety and reliability are paramount, using the right fasteners is essential. Alloy 20 hex bolts offer a reliable solution for securing critical equipment and structures in harsh environments. It's crucial to select the appropriate size and type of hex bolt to ensure a secure connection.
Overall, Alloy 20 hex bolts are a wise choice for industries dealing with corrosive substances, ensuring that equipment and structures remain secure and functional for extended periods. Their resistance to corrosion, durability, and ease of installation make them an excellent choice for demanding applications.
To preserve the high standards of our selection of industrial fasteners, we have always adhered to a systematic quality management process.
Our staff of experts is vibrant and talented, and they have always been our largest supporters and contributors to our success. Our vision is to create a world of fasteners.
|Alloy 20||0.07 max||2.00 max||1.00 max||0.035 max||3.00 – 4.00||32.00 – 38.00||19.00 – 21.00||29.85 min*||2.00 – 3.00||0.045 max|
|Element||Density||Melting Point||Tensile Strength||Yield Strength (0.2%Offset)||Elongation|
|Alloy 20||8.1 g/cm3||1443 °C (2430 °F)||Psi -80,000, MPa -551||Psi - 35,000, MPa - 241||30 %|
Hardness testing to ISO 6508-1
Nut proof load testing to ISO 898-2
Suitability for preloading to EN 14399-2
Calibrated gauges and tools
|Alloy 20 Hex Bolts||Carpenter 20 Hexagon Bolt|
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