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Flux-cored wire electrodes: copper and copper alloys

Flux-cored wire electrodes: copper and copper alloys

Tin bronze

BRAND NT® Letter Symbol
DIN
DIN Material no. AWS / BS Classification Standard analysis
of welding wire %
Melting range
°C
CuAg-W S-CuAg 1733 T.1 2.1211 A 5.7-77 ERCu Cu + Ag min. 99,5
Ag 1,0; P <0,02
1070 to 1080
CuAg-G S-CuAg 1733 T.1 2.1211 A 5.27-78 ERCu Cu + Ag min. 99,5
Ag 1,0; P004
1070 to 1080
CuMn S-CuSn 1733 T.1 2.1006 A 5.7-77 ERCu Cu min. 98; Sn 0,8;
Mn 0,3; Si 0,2
1020 to 1050
CuSi S-CuSi 3 1733 T.1 2.1461 A 5.7-77 ERCuSi-A Cu min. 95; Si 3;
Mn 1
910 to 1025
SF-Cu (L-SFCu)
(SF-Cu)
8513.1
1787
2.0081
2.0090
BS 1845 (Cu 6) Cu min. 99,9
P0,04-0,07
1080
E Cu L-Cu
Sd-E-Cu
8513
8566
2.0080
2.0060
- - Cu min. 99,9
sauerstoffhaltig
1070 to 1080
SnBz 5 - - - BS 2901.3 C10 Cu min. 93,8
Sn 5; P 0,2
930 to 1060
SnBz 6 S-CuSn 6
L-CuSn 6
Sd-CuSn 6
LSd-CuSn6
1733 T.1
8513 T.1
8566 T.1
8566 T.2
2.1022
2.1021
2.1022
2.1020
A 5.7-77
A 5.7-76
ERCuSn-A
ECuSn-A
Cu min. 93
Sn 6,4
P 0,2
910 to 1040
SnBz 10 S-CuSn 6
L-CuSn 6
Sd-CuSn 6
1733 T.1
8513 T.1
8566 T.1
2.1022
2.1021
2.1022
A 5.6-76 ECuSn-C Cu min. 91
Sn 8
P 0,1
910 to 1040
SnBz 12 S-CuSn 12
L-CuSn 12
Sd-CuSn 12
LSd-CuSn 14
1733 T.1
8513 T.1
8566 T.1
8566 T.1
2.1065
2.1055
2.1056
2.1056
- - Cu min. 86
Sn 12,5
P 0,25
825 to 990

Aluminium bronze

BRAND NT® Letter Symbol
DIN
DIN Material no. AWS / BS Classification Standard analysis
of welding wire %
Melting range
°C
AlBz 7 - - - BS 2901.3 C 12 Cu min. 91; Al 7;
Fe+Mn+Ni min.1,4
1040 to 1050
AlBz 8 S-CuAI 8
Sd-CuAI 8
LSd-CuAI 8
1733 T.1
8566 T.1
8566 T.2
2.0921
2.0921
2.0920
A 5.7-77 ERCuAI-Al Cu min. 92
Al 8
1030 to 1040
AlBz 10 - - - - - CU Remainder ; Al 9,2;
Fe 0,3; Mn 0,1
1020 to 1040
AlBz 8 Fe CuAl8Fe 17665 2.0932 A 5.6-76 ECuAI-A2 Cu min. 90,5
Al 8; Fe 1,5
1030 to 1040
AlBz 8 FeNi CuAl8Fe 17665 2.0932 - - Cu min. 90
Al 8; Fe 1,5; Ni 0,3
1030 to 1040
AlBz 8 MNF S-CuAl 8 Ni 2 1733 T.1 2.0922 - - CU Remainder ; Al 8
Fe 2; Mn 2; Ni 2
1030 to 1050
AlBz 9 Fe SG-CuAI 10 Fe 1733 2.0937 A 5.7-77 ERCuAI-A2 Cu min. 89; Al 9;
Fe 1,5
1030 to 1040
AlBz 8 Ni S-CuAI 8 Ni 2 1733 2.0922 - - CU Remainder ; Al 8,5
Fe 1,6; Ni 2; Mn 1,7
1030 to 1050
AlBz 9 Ni S-CuAI 8 Ni 2 1733 T.1 2.0922 - - CU Remainder ; Al 8,5
Fe 1,6; Ni 2; Mn 1,7
1030 to 1050
CuMnAl S-CuMn 13 Al 1733 2.1367 - - CU Remainder ; Al 6,5;
Mn 12; Fe 1,5; Ni 1,5
950 to 990
CuMnAl 300 S-CuMn 13 Al 1733 T.1 2.1367 A 5.7-77 ERCuMnNiAl CU Remainder ; Mn 13;
Al 7; Fe 2,5; Ni 2
945 to 985

Copper-nickel

BRAND NT® Letter Symbol
DIN
DIN Material no. AWS / BS Classification Standard analysis
of welding wire %
Melting range
°C
CuNi 10 Fe S-CuNi 10 Fe 1733 2.0873 BS 2901.3 C 16 CU Remainder ;
Ni 10; Fe 0,7;
Mn 0,5; Ti 0,3
1100 to 1145
CuNi 30 Fe S-CuNi 30 Fe 1733 2.0837 AWS/
A 5.7-77
BS 2901.3
ERCuNi

C 18
CU Remainder
Ni 30; Fe 0,5
Mn 0,5; Ti 0,3
1180 to 1240

Brass

BRAND NT® Letter Symbol
DIN
DIN Material no. AWS / BS Classification Standard analysis
of welding wire %
Melting range
°C
Hartlot 1



Hartlot 1 F
S-CuZn 40 Si
S-CuZn 39 Sn
L-CuZn 40

L-CuZn 39 Sn
1733 T.1
1733 T.1
8513 T.1

8513 T.1
2.0366
2.0532
2.0367

2.0533
A 5.8-77 RBCuZn-A Cu min. 59
Si 0,2
Zn Rest
+ Sn 0,4
+ Mn 0,6
870 to 900
CuZn S-CuZn 39 Ag
L-CuZn 39 Sn
1733 T.1
8513 T.1
2.0535
2.0533
- - Cu min. 59
Ag 1
SiO,1
Zn Rest
870 to 890
F L-CuSn 39 Sn 8513 T.1 2.0533 A 5.8-77 RBCuZn-A Cu min. 59; Si 0,2;
Sn 0,4; Mn 0,6; Zn Rest
870 to 890

Nickel silver

BRAND NT® Letter Symbol
DIN
DIN Material no. AWS / BS Classification Standard analysis
of welding wire %
Melting range
°C
Hartlot 2
Hartlot 2 F
L-CuNi 10 Zn 42 8513 T.1 2.0711 A 5.8-77 RBCuZn-D Cu 50
Ni 8,5
SiO,2
Zn Rest
890 to 920

Forms available on delivery: MIG wire electrodes with dimensions 0.8; 1.0; 1.2; 1.6; 2.4 mm – coil form as specified in EN 759; TIG and gas-welding rods with dimensions 0.8 to 4 mm; length 1000 mm; spraying wires also available with diameters in inches.

Further wire grades and dimensions available on request.

 

{mospagebreak title=Suitability for various processes}

Suitability for various processes

 

BRAND NT® Process Applications and properties
Oxyacetylene welding TIG MIG Open
arc welding
Spraying wires
CuAg-W - ++ ++ - - Silver-alloyed Cu welding wire – especially low P content for inert-gas welding – weld metal with low viscosity and free of pores - high electrical and thermal conductivity
CuAg-G ++ - - + - Silver-alloyed Cu wire (rod) - with somewhat higher P content, well suited for oxyacetylene welding; weld metal well suited for machining and for shaping
CuMn + ++ ++ + - Tin-alloyed Cu welding filler with good flow properties - for welded joints subject to severe loads, on Cu materials – excellent machining properties – pore-free welds – recommended especially for TIG and MIG welding
CuSi - ++ ++ + - For TIG and MIG-welding on low-alloy CuMn and CuSiMn materials, also well suited for very good wear-resistant weld surfacing on steel; high temperature stability and corrosion resistance; hardness: about 80 HB
SF-Cu ++ + - - - Special copper wire for coated electrodes, well suited for arc welding of copper, joining of copper with steel, grey cast iron, and Ni alloys with wall thickness at least 3 mm; especially well suited also for large workpieces
E Cu ++ - - ++ ++ Pure electrolytic copper welding wire with high conductivity in conformance with DIN 1789 - not recommended for MIG/TIG
SnBz 5 + ++ ++ ++ ++ Similar to SnBz 6, but with a lower Sn content, in conformance with the British standard, suitable for requirements which are slightly less stringent; deoxidising action identical to that of SnBz 6, however; hardness: 80-90 HB
SnBz 6 + ++ ++ ++ ++ SnBz 6 tin bronze with at least 6 % Sn for all welding jobs - controlled P content - good deoxidising action – weld surfacing and welded joints on CuSn alloys – also preferred for furnace brazing - (different P contents available on request); hardness: 80-90 HB
SnBz 10 + ++ ++ ++ ++ Special CuSn quality with higher alloying content – higher hardness values for weld surfacing - for repairs on bearings - for welded joints on galvanised sheet metal; hardness: 80-100 HB
SnBz 12 + ++ ++ ++ ++ High-alloy CuSn welding wire, suitable for all welding processes – very hard weld metal similar to cast bronze, and thus well suited for especially wear-resistant claddings, as well as for welded joints and repair work on bronze; hardness: 80-100 HB
AlBz 7 - ++ ++ ++ ++ Similar to AlBz 8, but with lower Al content in conformance with the British standard, otherwise suited for the same applications as AlBz 8; hardness: about 100 HB
AlBz 8 - ++ ++ ++ ++ AlBz 8 for welding of joints on CuAl materials – weld surfacing on steel – very high resistance to corrosion and wear; hardness: about 100 HB
AlBz 10 - ++ ++ ++ ++ AlBz 10 with Al content > 9 %, greater hardness of the weld metal as well as superior wear and corrosion properties, in comparison to AlBz 8, also suited for use as electrode core wire
AlBz 8 Fe - ++ ++ ++ ++ Fe-alloyed Cu-Al welding filler - for welding of joints – weld surfacing on steel with higher wear resistance - for postweld finishing by cutting processes; spraying wire; hardness: about 140 HB
AlBz 8 FeNi - ++ ++ ++ ++ Further development of AlBz 8 Fe; as a result of Ni addition, practically no cracking in multiple-pass weld surfacing on steel; otherwise suited for the same applications as AlBz 8 Fe
AlBz 8 MNF - ++ ++ ++ ++ Multiple-material CuAl welding filler - for CuAl materials – weld surfacing on steel – higher resistance to wear and abrasion – very high corrosion resistance, also in sea water; hardness: about 140 HB
AlBz 9 Fe - ++ ++ ++ ++ Similar to AlBz 8 Fe, standard AlBz alloy, as specified in AWS, higher wear resistance; also suited for use as spraying wire!
AlBz 8 Ni - ++ ++ ++ ++ Similar to AlBz 8 MNF and AlBz 9 Ni, with varying contents of the additional elements Fe, Mn, Ni; applications similar to those of AlBz 8 MNF and AlBz 9 Ni: hardness: about 150 HB
AlBz 9 Ni - ++ ++ ++ ++ Similar to AlBz 8 MNF - with higher Al content – high purity (Zn < 0.07 %); hardness: about 150 HB
CuMnAl - ++ ++ ++ + Similar to CuMnAl 300, but with lower (< 7 %) Al content in conformance with DIN 1733, thus, hardness somewhat lower on weld metal, but with equal corrosion resistance and suited for the same applications; hardness: about 180 HB
CuMnAl 300 - ++ ++ ++ + Welding of joints – sea-water-resistant Cu-Al alloy with high strength and hardness values – wear-resistant claddings on Cu alloys, unalloyed and low-alloy steel, as well as grey cast iron; hardness: 200-220 HB
CuNi 10 Fe + ++ ++ ++ + For welding on Cu-Ni materials as specified in DIN 17664, and on sea-water-resistant CuZn alloys as specified in DIN 17660 table 3, claddings on unalloyed and low-alloy steels as well as cast iron
CuNi 30 Fe - ++ ++ ++ + Similar to CuNi 10 Fe, but with higher corrosion resistance in salt solutions, brines, and sea water, hence, recommended especially for plant construction
Brazing filler 1


Brazing filler 1 F
+ - - - Brazing:
++
Ms brazing fillers: S – fume-free Ms brazing filler; T - brazing fillers containing Sn for brazing of Cu, Ni, and their alloys, as well as iron and steel; MT - with Mn as additional alloying partner, easy flow; brazing filler 1 F with flux coating
CuZn ++ - - - ++ 1 % Ag, - good flow properties for finer work – for brazed joints with higher strength – gap brazing
F ++ - - - ++ Round, flux-cored filler rod for brazing without additional flux – easy working – reliable brazing without wetting defects
Brazing filler 2
Brazing filler 2 F
++ - - - ++ Brazing filler 2: Nickel silver brazing filler with higher ductility than the Ms brazing fillers – easy flow - high strength values - for joints on steel, cast iron, and Ni alloys – also available as brazing filler 2 Ag with the addition of 1% Ag, characterised by especially easy flow, excellent wetting, and moderation of the working temperature; brazing filler 2 F: similar to brazing filler 2, but in flux-coated filler-rod form

Legend: ++ recommended + suitable – not suitable