Gnee Steel (Tianjin) Co., Ltd.

Classification Of Cast Copper Alloys

Dec 14, 2023

 

Class Name UNS numbers Composition Typical Uses

1. Coppers

C80100 – C81100

>99% Copper

Electrical & thermal conductors

2. High-copper alloys

C81300 – C82800

>94% Copper

High strength electrical conductors, including spot welding electrodes

3. Red Brasses

C83300 – C85800

Cu – Zn – Sn –(Pb) (75 – 89% Cu)

Valves, pump parts, plumbing hardware

Yellow brasses

C85200 – C85800

Cu – Zn – Sn – (Pb) (57 – 74% Cu)

Fittings, trim, builders hardware

4. Manganese bronzes

C86100 – C86800

Cu – Zn – Mn – Fe – (Pb)

Gears, bearings, bushings, marine fittings

Silicon bronzes, silicon brasses

C87300 – C87900

Cu – Zn – Si

Gears, bearings, bushings, marine fittings

Tin bronzes

C90200 – C94500

Cu – Sn – Zn – (Pb)

Gears, bearings, bushings, pump parts

Nickel – tin bronzes C94700 – C94900

Cu – Ni – Sn – Zn – (Pb)

Wear parts, low speed bearings

Aluminum bronzes C95200 – C95810

Cu – Al – Fe – Ni

Gears, bearings, bushings, pump parts, pickling equipment, non sparking tools

5. Copper – nickels C96200 – C96800

Cu – Ni – Fe

Valves, pumps etc resistant to seawater

6. Nickel silvers C97300 – C97800

Cu – Ni – Zn – (Pb) – Sn

Builders hardware, valves, pumps

Miscellaneous alloys C99300 – C99750  

Various

refrigeration C11000 copper tubingC11000 Copper Gas Pipes2 Inch C11000 Copper Tube

 

 

Whether you need copper pipes, copper rods ,copper plates,we have the products and expertise to meet your needs.

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