<*n style="color:#000000;"><*n style="font-size:9pt;"><*n style="font-family:'times new roman';"> <*n><*n style="font-weight:700;">A507                     <*n style="font-family:宋体;font-size:9pt;">符合<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">GB:  E16-25MoN -15

<*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;">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';">A507<*n style="font-family:宋体;font-size:9pt;">是低氢钠型药皮的纯奥氏体不锈钢焊条。采用直

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">流反接，能进行全位置焊接。

<*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：适用于焊接呈淬火状态下的低合金钢、中合金钢、异种钢及刚

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">性较大的结构，以及相应的热强钢等。如淬火状态下的<*n style="font-size:9pt;"><*n style="font-family:'times new roman';">30CrMnSi<*n style="font-family:宋体;font-size:9pt;">，不

<*n style="color:#000000;"><*n style="font-family:宋体;font-size:9pt;">锈钢和碳钢的焊接等。

<*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';">N	<*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';">0.12	<*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';">14.0~18.0	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">22.0~27.0	<*n style="font-size:9pt;"><*n style="color:#000000;"><*n style="font-family:'times new roman';">5.0~7.0	<*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';">0.50	<*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';">0.1	<*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';">0.035

<*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';">420	<*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';">30

<*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。

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