斯米克20%银焊条-焊材网供应信息-焊材网

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斯米克20%银焊条

Category 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	斯米克20%银焊条
Copper zinc 铜锌	L104	Foil 箔	890-930	Cu57 Mn2 Co2 Zn Rem.	Brazing of carbide cutting tool. 钎焊硬质合金刀具	焊条焊接时，焊芯金属占整个焊缝金属的一部分。所以焊芯的化学成分，直接影响焊缝的质量。因此，作为焊条芯用的钢丝都单独规定了它的牌号与成分。如果用于埋弧自动焊、电渣焊、气体保护焊、气焊等熔焊方法作填充金属时，则称为焊丝。
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		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		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		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		Brazing of copper, copper alloys, steel and stainless steel etc. 钎焊铜及铜合金、钢及不锈钢等	五、提高焊接生产率，减少飞溅。焊条药皮具有使熔滴增加而减少飞溅的作用。焊条药皮的熔点稍低于焊芯的焊点，但因焊芯处于电弧的中心区，温度较高，所以焊芯先熔化，药皮稍迟一点熔化。这样，在焊条端头形成一短段药皮套管，加上电弧吹力的作用，使熔滴径直射到熔池上，使之有利于仰焊和立焊。另外，在焊芯涂了药皮后，电弧热量更集中。同时，由于减少了由飞溅引起的金属损失，提高了熔敷系数，也就提高了焊接生产率。另外，焊接过程中发尘量也会减少。
	L325	Wire & rod 丝	645-685		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		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
Aluminum base 铝基	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	（7）药皮类型：低氢钾型（低氢钠型）电源种类：直流或交流（直流）主要特点：药皮成分以碳酸盐和萤石为主。焊条使用前须经300～400℃烘焙。短弧操作，焊接工艺性一般，可全位置焊接。焊缝有良好的抗裂性和综合力学性力。适于焊接重要的焊接结构。按照药皮中稳弧剂量、铁粉量和黏结剂不同，分为低氢钠型、低氢钾型和铁粉低氢型等
	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