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CW725R Datasheet

CuZn33Pb1AlSiAs
brass alloy

Medical & pharmaceutical technology

The material CW725R or CuZn33Pb1AlSiAs is a copper alloy with good general corrosion resistance due to its aluminum content. It meets the increased requirements of the Drinking Water Ordinance.

Composition

Si
Mn
Al
Cu
Ni
Fe
Andere
Pb
Sn
As
min.
0,1
-
0,1
64,0
-
-
-
0,5
-
0,04
max.
0,3
0,1
0,4
67,0
0,2
0,3
0,2
0,8
0,3
0,08
Si
min.
0,1
max.
0,3
Mn
max.
0,1
Al
min.
0,1
max.
0,4
Cu
min.
64,0
max.
67,0
Ni
max.
0,2
Fe
max.
0,3
Andere
max.
0,2
Pb
min.
0,5
max.
0,8
Sn
max.
0,3
As
min.
0,04
max.
0,08

Standards and designations

Material group
Non-ferrous metals: copper, brass, bronze
Special designations
CW725R

Fields of application

Applications in drinking water

Forged parts

Machined parts

Delivery forms

Flat
Icon Flach
Round
Icon Rund
Square
Icon Vierkant
Important note: The information on the properties or usability of materials or products is for information purposes only and does not constitute a contractual obligation. The information merely corresponds to the experience of the manufacturers and HSM®. All information is without guarantee. Misprints, errors and changes reserved.

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