西安易切削圆钢的和牌号和化学成分
牌号 |
化学成分(质量分数)(%) |
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钢中残余元素Ni、Cr、Cu含量(质量分数)各不大于0.25%;供热压力加工用时,Cu含量(质量分数)不大0.20%。供方能保证不大于此值时可不做分析。
|