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贛州斯米克L303銀焊條 市場價
（7）藥皮類型：低氫鉀型 （低氫鈉型） 電源種類：直流或交流 （直流） 主要特點：藥皮成分以碳酸鹽和螢石為主。焊條使用前須經300～400℃烘焙。短弧操作，焊接工藝性一般，可全位置焊接。焊縫有良好的抗裂性和綜合力學性力。適于焊接重要的焊接結構。按照藥皮中穩弧劑量、鐵粉量和黏結劑不同，分為低氫鈉型、低氫鉀型和鐵粉低氫型等
| Category | Trade-mark | Specification | Melting | Chemical | Application | Equivalent |
| Copper 銅鋅 | L103 | Wire & rod | 885-888 | Cu54 Zn Rem. | Brazing of copper, bronze and steel, subjected to low load. | 贛州斯米克L303銀焊條 市場價 |
| L104 | Foil | 890-930 | Cu57 Mn2 | Brazing of carbide cutting tool. | （4）藥皮類型：氧化鐵型 ‖藥皮主要成分 ：多量氧化鐵及較多的錳鐵脫氧劑 ‖焊接電源： 直流或交流 | |
| Copper 銅磷 | L201 | Cast rod, wire & rod, powder | 710-800 | P7 Cu Rem. | Brazing of copper and copper alloys. | BCuP-2 |
| L204 | Cast rod, wire | 640-815 | P5 Ag15 | Brazing of copper, copper alloys, silver and molybdenum etc. | BCuP-5 | |
| L205 | Cast rod, wire & rod, powder | 640-800 | P6 Ag5 | Brazing of copper and copper alloys. | BCuP-3 | |
| L207 | Cast rod, wire & rod | 640-770 | P7 Ag5 | Brazing of copper and copper alloys. | BCuP-7 | |
| L209 | Cast rod, wire | 684-710 | P7 Ag2 | Brazing of copper and copper alloys. | BCuP-6 | |
| Silver 銀基 | L302 | Wire & rod | 745-775 | Ag25 Cu40 | Brazing of copper, copper alloys, steel and stainless steel etc. | （9）藥皮類型：鹽基型 電源種類：直流 主要特點： 藥皮中含多量氯化物和氟化物，主要用于鋁及鋁合金焊條。吸潮性強，焊前要烘干。藥皮熔點低，熔化速度快。采用直流電源，焊接工藝性較差，短弧操作，熔渣有腐蝕性，焊后需用熱水清洗。 |
| L303 | Wire & rod | 660-725 | Ag45 Cu30 | Brazing of copper, copper alloys, steel and stainless steel etc. | BAg-5 | |
| L303F | Flux coated rod | 660-725 | Ag45 Cu30 | L303 coated with flux, the same application as L303. | BAg-5 | |
| L304 | Foil | 690-775 | Ag50 Cu34 | Brazing of copper, copper alloys and steel etc. | BAg-6 | |
| L308 | Wire & rod | 779-780 | Ag72 Cu Rem. | Brazing of copper and nickel under vacuum or reducing protective atmosphere. | BAg-8 | |
| L312 | Wire & rod | 595-605 |
| Brazing of copper, copper alloys, steel and stainless steel etc. | ||
| L313 | Wire & rod | 625-635 |
| Brazing of copper, copper alloys, steel and stainless steel etc. | BAg-1a | |
| L321 | Wire & rod 絲 | 615-650 |
| Brazing of copper, copper alloys, steel and stainless steel etc. | BAg-7 | |
| L323 | Wire & rod | 665-755 |
| Brazing of copper, copper alloys, steel and stainless steel etc. | 五、提高焊接生產率，減少飛濺。焊條藥皮具有使熔滴增加而減少飛濺的作用。焊條藥皮的熔點稍低于焊芯的焊點，但因焊芯處于電弧的中心區，溫度較高，所以焊芯先熔化，藥皮稍遲一點熔化。這樣，在焊條端頭形成一短段藥皮套管，加上電弧吹力的作用，使熔滴徑直射到熔池上，使之有利于仰焊和立焊。另外，在焊芯涂了藥皮后，電弧熱量更集中。同時，由于減少了由飛濺引起的金屬損失，提高了熔敷系數，也就提高了焊接生產率。另外，焊接過程中發塵量也會減少。 | |
| L325 | Wire & rod | 645-685 |
| Brazing of copper, copper alloys, steel and stainless steel etc. | BAg-36 | |
| L326 | Wire & rod | 650-720 |
| Brazing of copper, copper alloys, steel and stainless steel etc. | BAg-34 | |
| Aluminum base 鋁基 | L400 | Cast rod, wire & rod | 577-582 | Si11.5 | Brazing of aluminum and aluminum alloys. | BAlSi-4 |
| L401 | Cast rod | 525-535 | Si5 Cu28 | Brazing of aluminum and aluminum alloys. | ||
| Tin lead 錫鉛 | L600 | Wire & rod | 183-185 | Sn60 Sb≤0.8 | Soldering of fusible metals and heat-treated part. | 60Sn |
| L601 | Wire & rod | 183-227 | Sn18 Sb2 | Soldering of copper, copper alloys and galvanized iron plain sheet. | 18Sn | |
| L602 | Wire & rod | 183-256 | Sn30 Sb2 | Soldering of copper, brass, copper alloys and galvanized iron plain sheet. | 30Sn | |
| L603 | Wire & rod | 183-235 | Sn40 Sb2 | Soldering of copper, copper alloys, steel and zinc parts. | 40Sn | |
| L604 | Wire & rod | 183-222 | Sn90 Sb≤0.15 | Soldering of copper and steel for food and medicine field. | 90Sn | |
| L605 | Wire & rod | 232-240 | Ag5 Sn95 | Soldering of copper and steel for electrical and food field. | ||
| L608 | Wire & rod | 295-305 | Sn5.5 Ag2.5 | Soldering of copper, copper alloys, steel and stainless steel. | ||
| Nickel base 鎳基 | L702 | Powder | 970-1000 | Cr7 B3 Si4 | Brazing of stainless steel under vacuum or protective atmosphere. | BNi-2 |
贛州斯米克L303銀焊條 市場價
