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  Grade :

CuZn30

Number:

CW505L

Classification:

Copper-zinc al

                                          Chemical composition % of grade CuZn30 ( CW505L )

Fe

Ni

Al

Cu

Pb

Sn

Others

-

max 0.05

max 0.3

max 0.02

69 - 71

max 0.05

max 0.1

total 0.1

Zn - remainder

                                            Mechanical properties of grade CuZn30 ( CW505L )

Rm - Tensile strength (MPa) (R270)

270-350

Rm - Tensile strength (MPa) (R350)

350-430

Rm - Tensile strength (MPa) (R410)

410-490

Rp0.2 0.2% proof strength (MPa) (R270)

160

Rp0.2 0.2% proof strength (MPa) (R350)

170

Rp0.2 0.2% proof strength (MPa) (R410)

260

A - Min. elongation at fracture (%) (R270)

50

A - Min. elongation at fracture (%) (R350)

33

A - Min. elongation at fracture (%) (R410)

15

A - Min. elongation Lo = 50mm (%) (R270)

40

A - Min. elongation Lo = 50mm (%) (R350)

21

A - Min. elongation Lo = 50mm (%) (R410)

9

 

Vickers hardness ( HV): (H055)

55 - 90

Vickers hardness ( HV): (H095)

95 - 125

Vickers hardness ( HV): (H120)

120 - 155