银基钎料

中山市华乐焊接材料有限公司

Zhongshan Huale Weiding Compound Co.,Ltd.

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Silver Base Series Filler Metals

Product Details

一、 Note the use of

　　The sliver-base filler metals are a kind of brazing filler metals of sliver or sliver-base solid solution, with excellent
usability , low melting point , good wettability , great strength , good plasticity , contact and corrosion-resisting . They can be used to brazed all ferrous and nonferrous metals , such as stainless steel , hard alloy etc . At present , they are applied on the fields such as refrigerator , air conditioner , lamps and lantems , instruments and meters , electrical equipments chemical industry and aerospace industry etc.
In order to decrease melting point and the content of sliver , adding copper, zinc , admium , tin , nickel etc. elements
to them consists of three elements or many elements alloy filler metals .These products can adopt all kinds of brazing methods .Generally speaking , you should make up the brazing flux in order to get good braze but for the vacuum state operation and the shield gas state operation .
The sliver base filler metals include "with cadmium" and without cadmium .The sliver base filler metals with
cadmium have a little toxicity .These products can't be applied on the brazed joints which are directly connected with food , drinking water . The working place must wind .
Before brazing , you must clear away all dirt on the brazing place and on the surface of object to be brazed such as
greasy dirt . oxide, and so on , the best brazed joints space are between 0.03mm to 0.075mm .

二、 Product specifications

1、 he brazing wires series :
The plate-shaped brazing wires whose diameters are between 0.5mm to 3.0mm .
2、 The brazing rods series:
The welding rods whose diameters are between 0.7mm to 3.0mm and the flat welding rods whose specification
is 1.3×3.15mm .
3、 The belt brazing metal series:
The belt metals and the flat metals whose thickness is between 0.1mm to 0.25mm , the minute belt metals whose thickness is between 0.1 to 0.3 mm .
4、 The brazing rings series:
Various specifications brazing rings whose diameters are between 0.8mm to 2.5mm and whose internal diameters are more than 3.5mm .
The basic data of silver base series filler metals（1）


Brazing Alloys	Chemical Composition（%）				Melting Range℃		Working Temperature℃	Trensile σ_bN/mm²	Equal to foreign alloy standards
Brazing Alloys	Ag	Zn	Cu	All impurities	Solidus	Liquidus	Working Temperature℃	Trensile σ_bN/mm²	Equal to foreign alloy standards
BAg10CuZn	9.0~11.0	36~38	Bal	<0.10	815	850	850~930	451
BAg20CuZn(Si)	19~21	34~38			690	810	810~880		U.S.A DIA-230
BAg25CuZn	24~26	33~37			700	790	800~870	353	Japan JISZ.BAg-20A
BAg30CuZn	29~31	30~34			677	766	766~871		U.S.A BAg-20
BAg45CuZn	44~46	23~27			665	745	743~843	386	U.S.A BAg-5
BAg50CuZn	49~50	14~18			690	775	750~850	343	U.S.A BAg-6
BAg72CuZn	71~73	/			779	779	779~890	340	U.S.A BAg-8

The basic data of silver base series filler metals（2）


Brazing Alloys	Chemical Composition（%）					Melting Range℃		Working Temperature℃	Trensile σ_bN/mm²	Equal to foreign alloy standards
Brazing Alloys	Ag	Zn	Sn	Cu	All impurities	Solidus	Liquidus	Working Temperature℃	Trensile σ_bN/mm²	Equal to foreign alloy standards
BAg18CuZnSn	17~19	32~34	1.5~2.5	Bal	<0.10	780	810	810~920		German Degussa1876
BAg25CuZnSn	24~26	32~34	1.5~2.5			680	760	760~850		German Degussa2576
BAg30CuZnSn	29~31	31~33	1.5~2.5			650	750	740~840		German Degussa3076
BAg34CuZnSn	33~35	26~28	2.5~3.5			630	730	730~800		German Degussa3476
BAg38CuZnSn	37~39	26~30	1.5~2.5			650	720
BAg40CuZnSn	39~41	29~31	1.5~2.5			650	710
BAg45CuZnSn	44~46	23.5~27.5	2.0~3.0			640	680	680~750		German Degussa4576
BAg56CuZnSn	55~57	15~19	1.5~2.5			620	655
BAg56CuZnSn	55~57	15~19	4.5~5.5			618	652	650~760	330	U.S.A BAg-7
BAg60CuZnSn	59~61	12~16	2.0~4.0			620	685

The basic data of silver base series filler metals(3)


Brazing Alloys	Chemical Composition（%）					Melting Range℃		Working Temperature℃	Trensile σ_bN/mm²	Equal to foreign alloy standards
Brazing Alloys	Ag	Zn	Cd	Cu	All impurities	Solidus	Liquidus	Working Temperature℃	Trensile σ_bN/mm²	Equal to foreign alloy standards
BAg12CuZnCd	11~13	29~32	5~9	Bal	<0.10	620	825	800~880		L-Ag12Cd
BAg15CuZnCd	14~16	28~30	11~13			720	790	800~860
BAg18CuZnCd	17~19	27~29	14~16			640	745	745~850		U.S.A DIA-148
BAg20CuZnCd	19~21	24~26	13~17			605	765	760~810		German L-Ag20Cd
BAg25CuZnCd	24~26	26.5~28.5	16.5~18.5			607	682	690~790		U.S.A BAg-33
BAg30CuZnCd	29~31	20~22	19~23			600	690	690~800		German L- Ag30Cd
BAg34CuZnCd	33~35	23~25	19~21			595	630	630~750		German Degussa3464
BAg35CuZnCd	34~36	19~23	17~19			605	700	700~845	450	U.S.A BAg-2
BAg40CuZnCd	39~41	20~22	18~22			595	630	630~750	400	German L-Ag40Cd
BAg45CuZnCd	44~46	14~18	23~25			607	619	620~760		U.S.A BAg-1
BAg50CuZnCdNi	49~51	13.5~17.5	15~17		Ni2.5~3.5	632	688	690~815	420	U.S.A BAg-3