西安易切削圓鋼的和牌號和化學成分
牌號 |
化學成分(質量分數)(%) |
C |
Si |
Mn |
S |
P |
Pb |
Y12 |
O.08~O.16 |
0.15~O.35 |
0.70~1.00 |
0.10~0.20 |
O.08~0.15 |
|
Y12Pb |
0.08~0.16 |
≤0.15 |
0.70~1.10 |
O.15~0.25 |
O.05 |
0.15~O.35 |
Y15 |
0.10~O.18 |
≤O.15 |
0.80~1.20 |
O.23~O.33 |
|
|
Y15Pb |
O.10~O.18 |
≤O.15 |
O.80~1.20 |
0.23~0.33 |
0.10 |
O.15~0.35 |
Y20 |
O.17~0.25 |
O.15~O.35 |
O.70~1.00 |
O.08~0.15 |
≤0.06 |
|
Y30 |
0.27~O.35 |
0.15~O.35 |
O.70~1.00 |
O.08~O.15 |
≤O.06 |
|
Y35 |
0.32~0.40 |
O.15~0.35 |
O.70~1.00 |
O.08~O.15 |
≤0.06 |
|
Y40Mn |
0.37~O.45 |
0.15~O.35 |
1.20~1.55 |
0.20~0.30 |
≤O.05 |
|
Y45Ca |
0.42~0.50 |
O.20~O.40 |
O.60~0.90 |
0.04~0.08 |
≤O.04 |
Ca0.002~0.006 |
注:Y45Ca鋼中殘餘元素Ni、Cr、Cu含量(質量分數)各不大於0.25%;供熱壓力加工用時,Cu含量(質量分數)不大0.20%。供方能保證不大於此值時可不做分析。
|