{"id":2371,"date":"2025-05-15T09:55:28","date_gmt":"2025-05-15T01:55:28","guid":{"rendered":"https:\/\/machinedwasher.com\/?post_type=product&p=2371"},"modified":"2025-05-22T15:13:35","modified_gmt":"2025-05-22T07:13:35","slug":"copper-washers","status":"publish","type":"product","link":"https:\/\/machinedwasher.com\/id\/products\/copper-washers\/","title":{"rendered":"High-temperature Copper Washers Sealing For Electrical Connections"},"content":{"rendered":"

High-temperature Copper Washers Sealing For Electrical Connections<\/h4>\n

1. What is a Copper Sealing Washers?<\/h3>\n

A copper washer is a flat, ring-shaped sealing component typically placed between a fastener (such as a bolt or nut) and a mating surface. It helps distribute pressure, prevent leaks, and improve electrical conductivity in various industrial and mechanical applications.<\/p>\n

2. Material Composition<\/h3>\n

Copper washers are primarily made from high-purity copper or copper alloys , including:<\/p>\n

Pure Copper (C10100, C11000) \u2013 Excellent electrical\/thermal conductivity and corrosion resistance.
\nBeryllium Copper (C17200, C17500) \u2013 High strength, fatigue resistance, and non-sparking properties.
\nPhosphor Bronze (C51000, C52100) \u2013 Enhanced durability and resistance to wear\/deformation.
\nBrass (C26000, C36000) \u2013 A copper-zinc alloy offering good machinability and moderate conductivity.<\/p>\n

3. Surface Treatments<\/h3>\n

To enhance performance, copper washers may undergo:<\/p>\n

Annealing \u2013 Softens the material for better sealing deformation.
\nElectroplating (e.g., tin, nickel, or silver plating) \u2013 Improves corrosion resistance and solderability.
\nPassivation \u2013 Forms an oxide layer to prevent oxidation.
\nAnti-Galling Coatings \u2013 Reduces friction in high-pressure environments.<\/p>\n

4. Key Features & Benefits<\/h3>\n

Thermal & Electrical Conductivity \u2013 Ideal for heat exchangers, electrical grounding, and electronics.
\nMalleability \u2013 Conforms to uneven surfaces for a tight seal.
\nCorrosion Resistance \u2013 Suitable for plumbing, marine, and chemical industries.
\nHigh-Temperature Stability \u2013 Withstands up to 200\u2013300\u00b0C (higher for beryllium copper).
\nNon-Sparking \u2013 Critical for explosive environments (e.g., oil\/gas).<\/p>\n

5. Common Applications<\/h3>\n

Automotive: Cylinder heads, fuel systems, brake lines.
\nPlumbing: Pipe fittings, water\/gas valves.
\nElectronics: Battery terminals, circuit boards.
\nIndustrial: Hydraulic systems, compressors, power plants.
\nAerospace: Engine components, fuel manifolds.<\/p>\n

6. Standards & Specifications<\/h3>\n

ASTM B370 (Copper Sheet\/Strip for Washers)
\nDIN 7603 (Metric Copper Washers)
\nSAE J463 (Beryllium Copper Standards)<\/p>\n

7. Specifications<\/h2>\n

\"\"<\/p>","protected":false},"excerpt":{"rendered":"

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