Hardness testing to ISO 6508-1
Alloy 20 Stud Bolts are fasteners made from a special alloy known as Alloy 20, which is also referred to as Carpenter 20. This alloy is a nickel-iron-chromium-based material with additions of copper and molybdenum. Alloy 20 stud bolts are designed to provide exceptional corrosion resistance in a wide range of aggressive environments, making them highly sought after in industries such as chemical processing, pharmaceuticals, and petrochemical.
Key features and benefits of Alloy 20 stud bolts:
Corrosion Resistance: One of the primary advantages of Alloy 20 stud bolts is their remarkable resistance to corrosion, especially in acidic and corrosive environments. They are highly resistant to sulfuric acid, phosphoric acid, and nitric acid, making them ideal for chemical processing plants and other industries where corrosive substances are present.
Chloride Stress Corrosion Cracking: Alloy 20 is particularly well-suited for use in chloride-containing environments. It resists chloride stress corrosion cracking, a common problem in many stainless steel alloys.
High Temperature Resistance: Alloy 20 stud bolts maintain their integrity and strength at elevated temperatures. This attribute is valuable in applications that involve high-temperature operations, such as in heat exchangers and reactors.
Mechanical Strength: These stud bolts provide good mechanical properties, including high tensile strength, which is crucial for securely fastening components in various industrial settings.
|Specifications||ASTM B473 / ASME SB473|
|Dimensions||DIN / ISO / ASME / ANSI / UNI / BS / BIS / SAE, etc.|
|Threads||UNC, UNF, UNEF, UN, Coarse, Fine & BSW.|
|Type||All Thread, Double End, Single End|
|Size||Metric M1 to M152 & Imperial #0 to 8" Bolt Diameter|
|Length||Bolts upto 2500mm shank length.|
|Construction||Hot Forged, Cold Forged, Bar Stock Machined|
|Surface Finish||Self Color, Hot Dip Galvanized, Electro Galvanized, Di-Chromated, P.T.F.E. Coated or any other as per order requirement|
Ease of Fabrication: Alloy 20 is relatively easy to machine, weld, and fabricate, which simplifies the manufacturing and installation processes for stud bolts.
Versatility: Alloy 20 stud bolts are versatile and can be used in a wide range of applications, from pump and valve assemblies to piping systems and pressure vessels.
Longevity: Due to their corrosion resistance and mechanical properties, Alloy 20 stud bolts have a longer service life compared to standard stainless steel fasteners in aggressive environments.
To preserve the high standards of our selection of industrial stud bolts, 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 stud bolts.
|Alloy 20||32 - 38||Bal||0.02 max||1 - 2||0.7 max||3 - 4||19 - 21||2 - 3||0.005 max||0.02 max>||0.1 - 0.3|
|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
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