CuZn20Al2As (CW702R)

 

Excellent corrosion resistance in the clean sea water and favourite alloy for the manufacturing of condenser tubes.
Chemical compound %
Agent
Cu
Al
As
Fe
Ni
P
Pb
Mn
Zn
Other
Mass-volume g/cm3
Mini:

76,0

1,8

0,02

-

-

-

-

-

Reste

-

8,4
Maxi:

79,0

2,3

0,06

0,07

0,1

0,01

0,05

0,1

-

0,3

 

Mechanical properties of plates, sheets and coils (EN1652) :
State
Thickness
Tensile strength Rm N/mm˛
Conventional elastic limit at 0,2Rp0,2 N/mm² .
Stretching
Hardness HV
From
to
min.
max.
A50mm ep < ou = 2,5
A ep > 2,5
min.
max.

 R330

3

15

330

-

(min. 90)

-

30

-

-

 H070

 3

 15

-

-

-

-

-

70

105

R390

3

15

390

-

(min. 240)

-

25

-

-

H100

3

15

-

-

-

-

-

100

-