相当规格:GB/T983 E347-15
|
C
|
Mn
|
Si
|
P
|
S
|
Cr
|
Ni
|
Nb
|
例值
|
0.030
|
0.90
|
0.55
|
0.025
|
0.014
|
19.41
|
9.42
|
0.42
|
保证值
|
≤0.08
|
0.5-2.5
|
≤1.00
|
≤0.040
|
≤0.030
|
18.0-21.0
|
9.0-11.0
|
8×C-1.00
|
|
*拉强度
MPa
|
伸长率
%
|
例值
|
650
|
42
|
保证值
|
≥520
|
≥30
|
直径及长度 (mm)
|
2.0x300
|
2.6x300
|
3.2x350
|
4.0x350
|
5.0x350
|
|
电流范围(A)
|
平焊
|
30-55
|
50-85
|
80-120
|
100-150
|
140-180
|
立仰焊
|
20-50
|
45-80
|
70-110
|
90-135
|
-
|
<*n style="font-family:'arial unicode ms';font-size:15pt;"><*n style="color:#000000;">A427*n>*n>
<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> *n>*n><*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">说*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';"> *n>*n><*n style="font-family:宋体;font-size:9pt;">明:*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">A427*n>*n><*n style="font-family:宋体;font-size:9pt;">是低氢钠型药皮的*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">Cr25 Ni18ln8*n>*n><*n style="font-family:宋体;font-size:9pt;">不锈钢焊条。*n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">采用直流施焊。该焊条具有良好的塑性和*热裂性能。*n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">用*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';"> *n>*n><*n style="font-family:宋体;font-size:9pt;">途:用于铬*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">25*n>*n><*n style="font-family:宋体;font-size:9pt;">镍*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">18*n>*n><*n style="font-family:宋体;font-size:9pt;">硅*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">2*n>*n><*n style="font-family:宋体;font-size:9pt;">不锈钢的焊接,如炉卷轨机卷筒、异种钢*n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">焊接等。*n>*n>
<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> *n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">熔敷金属化学成分*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">(%)*n>*n>*n>
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">C*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Mn*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Si*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Cr*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Ni*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">S*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">P*n>*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.20*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">5.0~10.0*n>*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">1.20*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">23.0~27.0*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">16.0~20.0*n>*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.030*n>*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.030*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> *n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">熔敷金属力学性能*n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">试验项目*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">σ*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">b*n>*n>*n> <*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">(*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">Mpa*n>*n><*n style="font-family:宋体;font-size:9pt;">)*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">σ*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">5*n>*n>*n> <*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">(*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">%*n>*n><*n style="font-family:宋体;font-size:9pt;">)*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">保证值*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≥*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">540*n>*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≥*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">30*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> *n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">焊接时参考电流:*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">AC *n>*n><*n style="font-family:宋体;font-size:9pt;">或*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">DC+*n>*n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">焊条直径*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">(mm)*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">3.2*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">4.0*n>*n>*n> |
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">焊接电流*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">(A)*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">80~110*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">110~150*n>*n>*n> |
<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> *n>*n>
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">注意事项:*n>*n>
<*n style="color:#000000;"><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">1*n>*n><*n style="font-family:宋体;font-size:9pt;">.焊前焊条须经*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">300*n>*n><*n style="font-family:宋体;font-size:9pt;">℃烘焙*n><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">1h*n>*n><*n style="font-family:宋体;font-size:9pt;">。*n>*n>
<*n style="color:#000000;"><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">2*n>*n><*n style="font-family:宋体;font-size:9pt;">.施焊时以短弧、窄焊道为宜,收弧时填满弧坑。*n>*n>
<*n style="color:#000000;"><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">3*n>*n><*n style="font-family:宋体;font-size:9pt;">.对厚大焊件,焊后锤击焊缝,减少焊接应力。*n>*n>
<*n style="color:#000000;"><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">4*n>*n><*n style="font-family:宋体;font-size:9pt;">.焊件应保持清洁,不应有水分、油污等杂物。*n>*n>