机床导轨用耐磨铸铁的牌号及化学成分
(
摘自
JB
/
GQ0033
—
1980
)
|
铸铁名称
|
牌
号
|
化学成分
(质量分数
),
%
|
|||||||||
|
C
(
碳
)
|
Si
(
硅
)
|
Mn
(
锰
)
|
P
(
磷
)
|
S
(
硫
)
|
Cu
(
铜
)
|
Ti
(
钛
)
|
V
(
钒
)
|
Cr
(
铬
)
|
Mo
(
钼
)
|
||
|
钒钛耐磨铸铁
|
MTVTi20
|
3
.
3
~
3
.
7
|
1
.
4
~
2
.
2
|
0
.
5
~
1
.
0
|
≤
0
.
3
|
≤
0
.
12
|
—
|
≥
0
.
05
|
≥
0
.
15
|
—
|
—
|
|
MTVTi25
|
3
.
1
~
3
.
5
|
1
.
3
~
2
.
0
|
0
.
5
~
1
.
1
|
≤
0
.
3
|
≤
0
.
12
|
—
|
≥
0
.
05
|
≥
0
.
15
|
—
|
—
|
|
|
MTVTi30
|
2
.
9
~
3
.
3
|
1
.
2
~
1
.
8
|
0
.
5
~
1
.
1
|
≤
0
.
3
|
≤
0
.
12
|
—
|
≥
0
.
05
|
≥
0
.
15
|
—
|
—
|
|
|
磷铜钛耐磨铸铁
|
MTPCuTi15
|
3
.
2
~
3
.
5
|
1
.
8
~
2
.
5
|
0
.
5
~
0
.
9
|
0
.
35
~
0
.
6
|
≤
0
.
12
|
0
.
6
~
1
.
0
|
0
.
09
~
0
.
15
|
—
|
—
|
—
|
|
MTPCuTi20
|
3
.
0
~
3
.
4
|
1
.
5
~
2
.
0
|
0
.
5
~
0
.
9
|
0
.
35
~
0
.
6
|
≤
0
.
12
|
0
.
6
~
1
.
0
|
0
.
09
~
0
.
15
|
—
|
—
|
—
|
|
|
MTPCuTi25
|
3
.
0
~
3
.
3
|
1
.
4
~
1
.
8
|
0
.
5
~
0
.
9
|
0
.
35
~
0
.
6
|
≤
0
.
12
|
0
.
6
~
1
.
0
|
0
.
09
~
0
.
15
|
—
|
—
|
—
|
|
|
MTPCuTi30
|
2
.
9
~
3
.
2
|
1
.
2
~
1
.
7
|
0
.
5
~
0
.
9
|
0
.
35
~
0
.
6
|
≤
0
.
12
|
0
.
6
~
1
.
0
|
0
.
09
~
0
.
15
|
—
|
—
|
—
|
|
|
高磷耐磨铸铁
|
MTP15
|
3
.
2
~
3
.
5
|
1
.
6
~
2
.
2
|
0
.
5
~
0
.
9
|
0
.
4
~
0
.
65
|
≤
0
.
12
|
—
|
—
|
—
|
—
|
—
|
|
MTP20
|
3
.
1
~
3
.
4
|
1
.
5
~
2
.
0
|
0
.
5
~
0
.
9
|
0
.
4
~
0
.
65
|
≤
0
.
12
|
—
|
—
|
—
|
—
|
—
|
|
|
MTP25
|
3
.
0
~
3
.
2
|
1
.
4
~
1
.
8
|
0
.
5
~
0
.
9
|
0
.
4
~
0
.
65
|
≤
0
.
12
|
—
|
—
|
—
|
—
|
—
|
|
|
MTP30
|
2
.
9
~
3
.
2
|
1
.
2
~
1
.
7
|
0
.
5
~
0
.
9
|
0
.
4
~
0
.
65
|
≤
0
.
12
|
—
|
—
|
—
|
—
|
||