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

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

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

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

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

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

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