|
普通金屬鉻粉
主要化學成份
|
牌號
|
化 學 成 份%
|
|
cr
|
fe
|
sl
|
al
|
cu
|
c
|
s
|
p
|
pb
|
sn
|
sb
|
b
|
as
|
n
|
m
|
o
|
|
不小于
|
不 大 于
|
|
jcr99-a
|
99.0
|
0.35
|
0.25
|
0.30
|
0.02
|
0.02
|
0.02
|
|
0.0005
|
0.001
|
0.001
|
0.001
|
0.001
|
0.05
|
0.01
|
0.50
|
|
jcr99-b
|
99.0
|
0.40
|
0.30
|
0.30
|
0.04
|
0.02
|
0.02
|
|
0.0005
|
0.001
|
0.001
|
0.001
|
0.001
|
0.06
|
0.01
|
0.50
|
|
jcr98.5-a
|
98.5
|
0.45
|
0.35
|
0.50
|
0.04
|
0.03
|
0.02
|
|
0.005
|
0.001
|
0.001
|
0.001
|
0.001
|
0.05
|
0.01
|
0.30
|
|
jcr98.5-b
|
98.5
|
0.50
|
0.40
|
0.30
|
0.06
|
0.03
|
0.02
|
|
0.0005
|
0.001
|
0.001
|
0.001
|
0.001
|
0.05
|
0.01
|
0.30
|
|
jcr98
|
98.0
|
0.80
|
0.4
|
0.80
|
0.06
|
0.05
|
0.03
|
0.01
|
0.001
|
0.001
|
0.001
|
0.001
|
0.001
|
|
|
|