C72400-TD00

Copper

C72400 cupronickel

C72400-TD00 supplied by Shanxi Youte Steel (jlhsteel.net).

Chemical Composition (%)

NI	9
FE	1
MN	0.2
CR	1
NB	0.3

Chinese Standard

ASTM B111

Applications

Electrical, plumbing, heat exchangers, marine, architecture, bearings.

Available Forms

Sheet, Plate, Bar, Tube, Rod, Wire, Strip

Uses

Copper-base alloy with high electrical/thermal conductivity, corrosion resistance and antimicrobial properties. Used for electrical connectors, busbars, heat exchangers, marine hardware, coins and decorative parts.

Heat Treatment

Solution treat (for age-hardening brasses/bronzes) ≈700–900 °C and age; many copper alloys are supplied work-hardened; anneal 300–650 °C.

Precautions

Work-hardens readily; anneal between heavy forming passes. Some leaded grades are less machinable but free-cutting; avoid in potable-water lead restrictions.

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