<p class="MsoNormal" style="margin:0cm 0cm 0pt;"><span style="font-size:small;"><span lang="EN-US"><span style="font-family:'Times New Roman';">T237</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">铝锰青铜焊芯</span></span></p> <p class="MsoNormal" style="margin:0cm 0cm 0pt;"><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">药皮为低氢型的铜合金焊条。熔敷金属含</span><span lang="EN-US"><span style="font-family:'Times New Roman';">Al 6.5</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">～</span><span lang="EN-US"><span style="font-family:'Times New Roman';">10</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">﹪、</span><span lang="EN-US"><span style="font-family:'Times New Roman';">Mn≤2.0</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">﹪、</span><span lang="EN-US"><span style="font-family:'Times New Roman';">Cu</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">＜</span><span lang="EN-US"><span style="font-family:'Times New Roman';">90</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">﹪等合金，耐磨性及耐蚀性优良。采用直流电源，焊条接正极。用于铝青铜及其它铜合金、铜合金和钢的焊接和铸铁的补焊。如各种化工机械、海水散热器、阀门的焊接、水泵、汽缸等堆焊及船舶旋桨的修补。焊前焊条需在</span><span lang="EN-US"><span style="font-family:'Times New Roman';">200</span></span><span style="font-family:宋体;mso-bidi-font-family:宋体;">℃</span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">左右烘焙</span><span lang="EN-US"><span style="font-family:'Times New Roman';">1h</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">。焊件表面的水分、油污、氧化物等杂质必须清除干净，铝青铜的焊接和碳钢的堆焊，薄件不需预热，厚件须预热</span><span lang="EN-US"><span style="font-family:'Times New Roman';">200</span></span><span style="font-family:宋体;mso-bidi-font-family:宋体;">℃</span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">左右。</span></span><span lang="EN-US"><br /> </span><span style="font-size:small;"><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">　　其他铜合金焊条：</span><span lang="EN-US"><span style="font-family:'Times New Roman';">T107</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">、</span><span lang="EN-US"><span style="font-family:'Times New Roman';">T207</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">、</span><span lang="EN-US"><span style="font-family:'Times New Roman';">T227</span></span><span style="font-family:宋体;mso-ascii-font-family:'Times New Roman';mso-hansi-font-family:'Times New Roman';">等&nbsp;&nbsp;&nbsp;&nbsp;</span></span></p>