Hardness testing to ISO 6508-1
Alloy 20 Flat & Spring Washer is a highly corrosion-resistant material that contains nickel, chromium, molybdenum, and copper. It is particularly well-suited for applications in harsh chemical environments. Flat washers and spring washers made from Alloy 20 can be used in various industries, including chemical processing, pharmaceuticals, food processing, and more.
Alloy 20 Flat Washer:
Function: Flat washers are used to distribute the load of a threaded fastener, such as a bolt or nut. They help prevent damage to the surface being fastened and ensure a more even distribution of pressure.
Material: Alloy 20, which provides excellent corrosion resistance in aggressive environments.
Applications: Chemical processing equipment, pharmaceutical industry, food processing, and any application where corrosion resistance is crucial.
|Standard||:||ASTM B472 / SB472|
|Dimension||:||ASTM,DIN, BS,GB, IS and all International Standards|
|Length||:||3 mm to 200 mm|
|Washer Size||:||M3 - M56 | 3/6" to 2" | Custom Sizes|
|Heat Treatment||:||Annealing, Stress Relieving, Case Hardening, Quenching and Tempering.|
|Type||:||Plain Washer, Spring Washer, Tooth Washer, Tapper Washer, Tab Washer, Star Washer etc.|
Alloy 20 Spring Washer:
Function: Spring washers, also known as lock washers, are designed to provide a preload on a fastener and prevent loosening due to vibrations or dynamic loads. They create tension to prevent nuts and bolts from coming undone.
Material: Alloy 20, ensuring corrosion resistance and durability in challenging environments.
Applications: Similar to flat washers, spring washers made from Alloy 20 are used in environments where corrosion resistance is essential, such as in chemical and petrochemical industries.
When using fasteners and washers in corrosive environments, it's crucial to select materials that can withstand the specific conditions of the application. Alloy 20 is often chosen for its resistance to sulfuric acid and other corrosive substances. Additionally, it's advisable to follow industry standards and guidelines for installation and maintenance to ensure the longevity and effectiveness of the components.
To preserve the high standards of our selection of industrial washers, 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 washers.
|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
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