斯米克25银焊条类 别 Trade-mark 牌号 Specification 规 格 Melting Point 熔点(℃) Chemical composition 主要成份(%) Application 用 途 Equivalent to AWS 相当AWS Copper zinc 铜锌 L103 Wire & rod 丝 885-888 Cu54 Zn Rem. Brazing of copper, bronze and steel, subjected to low load. 钎焊铜、青铜和钢等受力不大工件 　 L104 Foil 箔 890-930 Cu57 Mn2 Co2 Zn Rem. Brazing of carbide cutting tool. 钎焊硬质合金刀具 　 Copper phosphorus 　 铜磷 L201 Cast rod, wire & rod, powder 铸条、丝、粉 710-800 P7 Cu Rem. Brazing of copper and copper alloys. 钎焊铜及铜合金 BCuP-2 L204 Cast rod, wire 铸条、丝 640-815 P5 Ag15 Cu Rem. Brazing of copper, copper alloys, silver and molybdenum etc. 钎焊铜及铜合金、银、钼等金属。 BCuP-5 L205 Cast rod, wire & rod, powder 铸条、丝、箔 640-800 P6 Ag5 Cu Rem. Brazing of copper and copper alloys. 钎焊铜及铜合金 BCuP-3 L207 Cast rod, wire & rod 铸条、丝 640-770 P7 Ag5 Cu Rem. Brazing of copper and copper alloys. 钎焊铜及铜合金 BCuP-7 L209 Cast rod, wire 铸条、丝 684-710 P7 Ag2 Cu Rem. Brazing of copper and copper alloys. 钎焊铜及铜合金。 BCuP-6 　Silver base 银基 L302 Wire & rod 丝 745-775 Ag25 Cu40 Zn Rem. Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 　 L303 Wire & rod 丝 660-725 Ag45 Cu30 Zn余 Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 BAg-5 L303F Flux coated rod 涂药丝 660-725 Ag45 Cu30 Zn Rem. L303 coated with flux, the same application as L303. 外涂钎剂的L303，用途与L303相同 BAg-5 L304 Foil 箔 690-775 Ag50 Cu34 Zn Rem. Brazing of copper, copper alloys and steel etc. 钎焊铜及铜合金、钢等 BAg-6 L308 Wire & rod 丝 779-780 Ag72 Cu Rem. Brazing of copper and nickel under vacuum or reducing protective atmosphere. 铜和镍的真空或还原保护气氛钎焊 BAg-8 L312 Wire & rod 丝 595-605 Ag40.Cu.Zn.Cd Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 　 L313 Wire & rod 丝 625-635 Ag50.Cu.Zn.Cd Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 BAg-1a L321 Wire & rod 丝 615-650 Ag56.Cu.Zn.Sn Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 BAg-7 L323 Wire & rod 丝 665-755 Ag30.Cu.Zn.Sn Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 　 L325 Wire & rod 丝 645-685 Ag45.Cu.Zn.Sn Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 BAg-36 L326 Wire & rod 丝 650-720 Ag38.Cu.Zn.Sn Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等 BAg-34 Aluminum base 铝基 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 　 Tin lead 锡铅 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 L605 Wire & rod 丝 232-240 Ag5 Sn95 Soldering of copper and steel for electrical and food field. 电器、食品所需铜、钢等金属的钎焊 　 L608 Wire & rod 丝 295-305 Sn5.5 Ag2.5 Pb Rem. Soldering of copper, copper alloys, steel and stainless steel. 铜及铜合金、钢及不锈钢的钎焊 　 Nickel base 镍基 L702 Powder 粉 970-1000 Cr7 B3 Si4 Ni Rem. Brazing of stainless steel under vacuum or protective atmosphere. 不锈钢真空或保护气氛钎焊 BNi-2