Piston Materials(JIS Standard)
Chemical Compositions (%)
CODE
ACBA
AC8B
AC8C
AC9B
AC9A
Cu
0.8~1.3
2.0~4.0
0.5~1.5
Si
11.0~13.0
8.5~10.5
18.0~20.0
22.0~24.0
Mg
0.7~1.3
Zn
<0.15
<0.5
<0.2
Fe
<0.8
<1.0
Mn
<0,5
Ni
0.8~1.5
Ti
Piston pin Chemical Compositions (%)
Boron Cast Iron
C
0.38~0.45
0.17~0.37
0.50~0.80
Mo
0.15~0.25
S
<0.0035
As
≤0.022
0.05~0.08
Cr
0.90~1.20