BRASS 70/30

BRASS 65/35

BRASS 63/37

SPECIFICATIONS

ASTM-B-36-C26000
JIS H3100-C2600
DIN 17670,CuZn30

BS-2870-CZ106

ASTM-B-36-C26800
JIS H3100-C2680
DIN 17670,CuZn35

BS-2870-CZ107

ASTM B-36- C27200
JIS H3100-C2720
DIN 17670,CuZn37

BS-2870-CZ108

CHEMICAL
COMPOSITION

Cu: 68.50 - 71.50%
Zn: Remainder
Pb: 0.05% Max
Fe: 0.05% Max
OE:0.20% Max

Cu: 64.00 - 68.00%
Zn: Remainder
Pb: 0.07% Max
Fe: 0.05% Max
OE:0.40% Max

Cu: 62.00 - 64.00%
Zn: Remainder
Pb: 0.07% Max
Fe: 0.07% Max
OE:0.40% Max

Hardness (VPN)
A      :Annealed
1/4H :QuarterHard
1/2H :Half Hard
H      :Hard
EH    :Extra Hard
SH    :Spring Hard 

 80 (Max.)
 75 (Min.)
100 (Min.)
130 (Min.)
160 (Min.)
185 (Min.)

 80 (Max.)
 75 (Min.)
100 (Min.)
135 (Min.)
160 (Min.)
185(Min.)

 80 (Max.)
 75 (Min.)
110 (Min.)
135 (Min.)
160 (Min.)
185(Min.)

GENERAL
PROPERTIES:

High strength with better ductility 
Excellent cold
forming properties.

Good corrosion
resistance, good for
cold working.

Suitable for cold or
hot working.

APPLICATIONS :

Radiators and Heat Exchangers. Cartridge Cases, Eyelets, Snap-fasteners, Springs, Stamping and other deep drawing articles.

Radiators and Heat Exchangers. Cold
Press Work,
Stamping, Spinning
and Rolling.

Radiators and Heat Exchangers. Cold
Press Work,
Stamping, Spinning
and Rolling.