A307不锈钢焊条E309-15不锈钢焊条

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">  <*n><*n style="font-weight:700;">A307不锈钢焊条             符合<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">  GB:  E309 - 17

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">                                 相当<*n style="font-size:9pt;"><*n style="font-family:'times new roman';"> AWS:  E309 - 17

<*n style="color:#000000;"><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">[<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">说<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">    <*n style="font-family:宋体;font-size:9pt;">明：<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">A307<*n style="font-family:宋体;font-size:9pt;">是低氢钠型药皮的不锈钢焊条。熔敷金属具有优

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">良的*裂性能及****性能。采用直流反接，可进行全位置焊接。

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">用<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">    <*n style="font-family:宋体;font-size:9pt;">途：用于焊接相同类型的不锈钢、异种钢以及高铬钢、高锰钢等。

<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> 

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">熔敷金属化学成分<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">(%)

<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">C	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Mn	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Si	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Cr	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Ni	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Mo	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">Cu	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">S	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">P
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.15	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">0.5~2.5	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.90	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">22.0~25.0	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">12.0~14.0	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.75	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.75	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.030	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≤<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">0.040

<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> 

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">熔敷金属力学性能

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">试验项目	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">σ<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">b <*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">（<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">Mpa<*n style="font-family:宋体;font-size:9pt;">）	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">σ<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">5 <*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">（<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">%<*n style="font-family:宋体;font-size:9pt;">）
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">保证值	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≥<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">550	<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">≥<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">25

<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> 

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">焊接时参考电流：<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">AC <*n style="font-family:宋体;font-size:9pt;">或<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">DC+

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">焊条直径<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">(mm)	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">2.0	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">2.5	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">3.2	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">4.0	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">5.0
<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">焊接电流<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">(A)	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">30~50	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">50~80	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">80~110	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">110~150	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">150~200

<*n style="font-size:9pt;"><*n style="font-family:'times new roman';color:#000000;"> 

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">注意事项：

<*n style="color:#000000;"><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">1<*n style="font-family:宋体;font-size:9pt;">．焊前焊条须经<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">300<*n style="font-family:宋体;font-size:9pt;">℃烘焙<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">1h<*n style="font-family:宋体;font-size:9pt;">。

<*n style="color:#000000;"><*n style="font-size:9pt;"><*n style="font-family:'times new roman';">2<*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。