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Lucas-Milhaupt offers the most comprehensive inventory of alloys and forms in the industry and our expertise in brazing and soldering ensures that we can find the best-matched products for your needs.

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Silver-Based Cadmium-Free Filler Metals

These alloys are low-temperature, free-flowing filler metals for joining similar and dissimilar metals (i.e. copper to steel). They produce very strong, ductile joints and are safe because they are cadmium-free. Lucas-Milhaupt offers numerous material compositions for general purpose and specialty applications. The Braze family of alloys is available in strip, wire, powder, paste, preforms as well as clad tri-metal products and flux-cored wire.

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Product SolidusLiquidusNominal Composition, %AWS & International Standards Technical Documents* MSDS Safety Documents*
°F °C °F °C Ag Cu Sn Zn Other
Braze 051
<p>Brazing nichrome resistance elements, or simultaneous brazing and heat treating of steels.</p>		 1545 840 1615 880 5 58   37    
Braze 071
<p>Used when heat treatment follows brazing, as a lower melting alloy than copper, or in vacuum systems.</p>		 1225 665 1805 985 7 85 8      
Braze 090
<p>For copper base alloys such as in band instruments; or joint brazing/cyanide case hardening of steels.</p>		 1410 765 1565 850 9 53   38    
Braze 202
<p>For simultaneous brazing and heat treating of steels.</p>		 1315 710 1500 815 20 45   35    
Braze 250
<p>Low silver filler metal for joining ferrous and nonferrous alloys.</p>		 1250 675 1575 855 25 52.2   22.5    
Braze 252
<p>Economical filler metal for tungsten carbide, stainless steel and steel.</p>		 1305 705 1475 800 25 38   33 2 Mn
2 Ni
 		 BAg-26
Braze 255
<p>Economical filler metal for ferrous and nonferrous joints not requiring high ductility or impact strength.</p>		 1270 690 1435 780 25 40 2 33   BAg-37
Braze 300
<p>For steel and nonferrous alloys melting above 1450°F (790°C), nickel-silver knife handles, electrical equipment.</p>		 1250 675 1410 765 30 38   32   BAg-20
Braze 351
<p>Intermediate temperature filler metal for use with ferrous and nonferrous materials.</p>		 1265 685 1390 755 35 32   33   BAg-35
Braze 380
<p>Free flowing, cadmium-free filler metal used with ferrous and nonferrous base metals.</p>		 1200 650 1330 720 38 32 2 28   BAg-34, AMS 4761
Braze 401
<p>For copper base alloys, mild steel, nickel and Monel, and where a narrow melt range is desired.</p>		 1245 675 1340 725 40 30   30   AMS 4762
Braze 402
<p>A free-flowing medium temperature filler metal for ferrous and nonferrous alloys.</p>		 1200 650 1310 710 40 30 2 28   BAg-28
Braze 403
<p>For tungsten carbides, and stainless steel food handling equipment allowing no cadmium.</p>		 1220 660 1435 780 40 30   28 2 Ni
 		 BAg-4
Braze 404
<p>For tungsten carbides and stainless steel.</p>		 1220 660 1580 860 40 30   25 5 Ni
 		  
Braze 450
<p>For ships' piping, band instruments, aircraft engine oil coolers, brass lamps.</p>		 1225 665 1370 745 45 30   25   BAg-5
Braze 452
<p>Low temperature, free-flowing, Cd-free alloy.</p>		 1185 640 1260 680 45 27 3 25   BAg-36
Braze 495
<p>For low-temperature brazing of tungsten carbides and stainless steels.</p>		 1260 680 1290 700 49 16   23 7.5 Mn
4.5 Ni
 		 BAg-22
Braze 501
<p>For steam turbine blading and heavily galvanized or tinned steel, aluminum brass tubing.</p>		 1250 675 1425 775 50 34   16   BAg-6
Braze 502; 503 (VTG)
<p>For applications similar to Brazes 720 and 721 except where better gap filling is needed.</p>		 1435 780 1600 870 50 50       BVAg-6b
Braze 505
<p>For 300 series stainless steel food handling equipment with close joint clearances.</p>		 1220 660 1305 705 50 20   28 2 Ni
 		 BAg-24, AMS 4788
Braze 541
<p>Atmosphere furnace brazing for high temperature applications (up to 700°F/370°C), such as on jet engines.</p>		 1340 725 1575 855 54 40   5 1 Ni
 		 BAg-13, AMS 4772
Braze 559
<p>Same as Braze 541, but used where zinc fumes in the furnace are not permissible.</p>		 1420 770 1640 895 56 42     2 Ni
 		 BAg-13a, AMS 4765
Braze 560
<p>For food handling equipment requiring a low melting, cadmium-free alloy.</p>		 1145 620 1205 650 56 22 5 17   BAg-7, AMS 4763
Braze 580
<p>A free flowing filler metal used in brazing tungsten carbide which is subsequently titanium nitrided.</p>		 1120 605 1345 730 57.5 32.5 7   3 Mn
 		  
Braze 600
<p>For Monel and other nickel alloys, and in place of Braze 650 on silverware.</p>		 1245 675 1325 720 60 25   15    
Braze 603; 604 (VTG)
<p>For vacuum tube seals, brazing of ferrous and nonferrous alloys without flux, for brazing marine heat exchangers exposed to salt water at elevated temperatures (where zinc is objectionable).</p>		 1115 600 1325 720 60 30 10     BAg-18, BVAg-18Gr2
Braze 630
<p>On 400 series stainless steels for corrosion resistance to salt spray, chlorine solutions, etc.</p>		 1275 690 1475 800 63 28.5 6   2.5 Ni
 		 BAg-21, AMS 4774
Braze 650
<p>For silverware, iron and nickel alloys.</p>		 1240 670 1325 720 65 20   15   BAg-9
Braze 655
<p>For brazing Invar, Kovar and similar alloys to copper in vacuum tubes; as jet engine rubbing seals.</p>		 1385 750 1560 850 65 28     5 Mn
2 Ni
 		  
Braze 700
<p>For silverware, when subsequent joints are made with Braze 650.</p>		 1275 690 1360 740 70 20   10   BAg-10
Braze 715; 716 (VTG)
<p>Filler metal and high conductivity, similar to Braze 720, but suitable for both ferrous and nonferrous alloys.</p>		 1435 780 1465 795 71.5 28     0.5 Ni
 		 BVAg-8b
Braze 720; 721 (VTG)
<p>For nonferrous electronic components requiring highest electrical and thermal conductivity. The VTG grade has low volatile impurities, good for use in moderate temperature vacuum systems.</p>		 1435 780 1435 780 72 28       BVAg-8Gr2, BAg-8
Braze 750
<p>On silverware for step brazing or enameling; for iron or nickel base alloys.</p>		 1365 740 1450 790 75 22   3    
Braze 852
<p>Brazing stainless, Stellite, Inconel, complex carbides - for high-temperature service.</p>		 1760 960 1780 970 85       15 Mn
 		 BAg-23
Braze 999
<p>A VTG alloy for brazing ceramics to be used as semiconductors.</p>		 1761 960 1761 960 99.9         BAg-0, BVAg-0 Gr2
Lithobraze 720
<p>For ferrous and nonferrous base alloys; especially thin sections of stainless steels.</p>		 1400 760 1400 760 71.7 28     0.3 Li
 		 BAg-8a
Lithobraze 925
<p>To join skins to honeycomb cores, particularly precipitation-hardening stainless steels.</p>		 1400 760 1635 890 92.5 7.3     0.2 Li
 		 BAg-19
LM 721 Gr1
<p>Same as BR 721 - highest purity for vacuum application.</p>		 1435 779 1435 779 72 28       BVAg-8 Gr1
Premabraze 616 (VTG)
<p>For ferrous and nonferrous alloys used in moderate temperature vacuum tubes and systems.</p>		 1155 625 1305 705 61.5 24     14.5 In
 		 BVAg-29