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