北京华宇特种焊接有限公司

L400 Cast rod， wire & rod
铸条、丝 577-582 Si11.5
Al Rem. Brazing of aluminum and aluminum alloys.
铝及铝合金的钎焊 BAlSi-4 L401 Cast rod
铸条 525-535 Si5 Cu28
Al Rem. Brazing of aluminum and aluminum alloys.
铝及铝合金的钎焊 　 L600 Wire & rod
丝 183-185 Sn60 Sb≤0.8
Pb Rem. Soldering of fusible metals and heat-treated part.
易熔金属及热处理件的钎焊60Sn L601 Wire & rod
丝 183-227 Sn18 Sb2
Pb Rem. Soldering of copper， copper alloys and galvanized iron plain sheet.
铜及铜合金、镀锌铁皮的钎焊。 18Sn L602 Wire & rod
丝 183-256 Sn30 Sb2
Pb Rem. Soldering of copper， brass， copper alloys and galvanized iron plain sheet.
铜、黄铜、铁、镀锌铁皮的钎焊30Sn L603 Wire & rod
丝 183-235 Sn40 Sb2
Pb Rem. Soldering of copper， copper alloys， steel and zinc parts.
铜及铜合金、钢、锌制零件的钎焊40Sn L604 Wire & rod
丝 183-222 Sn90 Sb≤0.15
Pb Rem. Soldering of copper and steel for food and medicine field.
食品、医疗所需铜、钢等金属的钎焊90Sn