Grade

Chemical Composition

QB

GB/JIS/UNS

Cu

Pb

Zn

Fe

Sn

Total Impurity

H62

H62/JIS C2720

60.5-63.5

<=0.08

REM

<=0.15

-

<=0.5

H65

H65/JIS C2680

63.5-68.0

<=0.03

REM

<=0.1

-

<=0.3

H70

C2600

68.5-71.5

<=0.03

REM

<=0.5

-

<=0.1

H80

C2400

79-81

<=0.03

REM

<=0.5

-

<=0.1

H90

H90

88.0-91.0

<=0.03

REM

<=0.1

-

<=0.1

H96

H96

95.0-97.0

<=0.03

REM

<=0.1

-

<=0.2

Mechanical Properties

Grade

Temper

Tensile strength

Elongation(%)

H62

Y2(1/2H)

>=410

>=7

Y(H)

685-980

H65

Y2(1/2H)

>=400

>=7

Y(H)

635-885

-

H68

Y2(1/2H)

>=390

>=10

Y(H)

685-930

-

H90

H96

Y(H)

470-800

-