About Alloy
C72420 is a copper alloy recognized for its tailored composition and specialized properties, designed to meet diverse industrial demands. Typically engineered with additives like zinc, tin, or aluminum, C72420 exhibits enhanced characteristics such as improved strength, corrosion resistance, and machinability compared to pure copper. Widely utilized across sectors including electronics, plumbing, and aerospace, this alloy is valued for its high conductivity and reliability in challenging environments. Compliance with rigorous industry standards ensures consistency and quality, making C72420 a preferred choice where performance and durability are paramount.
Product Form
UNS C72420
MSA-MDS-19A/20A-BAR
DEF STAN 02: 835 (DEFSTAN02:835)
DGS 357 (DGS357)
DOD-C-24676
EB 4223A (EB4223A)
Chemical Composition
| Weight % | P | C | S | Mg | Si | Zn | Sn | Pb | Cr | Mn | Cu | Al | Fe | Ni | Impurities |
| NES835 | 0.01 max | 0.05 max | 0.15 max | 0.05 max | 0.15 max | 0.20 max | 0.10 max | 0.02 max | 0.5 max | 3.5/5.5 | Rem | 1.0/2.0 | 0.7/1.2 | 13.5/16.5 | 0.30 max |
Property
| Material | Condition | 0.2% Proof Stress (N/mm² ) | Minimum Tensile Strength (N/mm² ) | Elongation in 5.65 √ Cross Sectional Area (%) | Minimum Izod Impact Joules |
| NES835 | Rods and sections up to and including 125mm | 430 | 725 | 18 | 40 |
| NES835 | Rods and sections over 125mm and forgings | 400 | 710 | 18 | 40 |
Application
Electrical Components: C72420 copper alloy is valued for its high electrical conductivity, making it suitable for various electrical connectors, switches, and conductive elements in electronics and telecommunications.
Marine Applications: Due to its excellent resistance to corrosion in seawater environments, C72420 is utilized in marine equipment such as ship fittings, propellers, and offshore structures.
Plumbing Systems: This alloy's durability and machinability make it ideal for plumbing fittings, valves, and components where reliability and longevity are crucial.
Aerospace Industry: C72420 is chosen for its combination of strength and lightweight properties, contributing to the performance and efficiency of aircraft components including fuel systems, hydraulic fittings, and structural parts.
These applications highlight the versatility and specific advantages of C72420 copper alloy across different industries.
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