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WELDER - CITS




            Brass  filler  rod  - Type  For use in the braze welding of copper and mild steel and for  Flux necessary
            S-C6                   the  fusion  welding  of  material  of  the  same  or  closely  similar
                                   composition. (Oxidising flame.)
            Manganese     bronze  For use in braze welding of copper, cast iron and malleable iron  Flux necessary
            (high  tensile  brass)  -  and for the fusion welding of materials of the same
            Type S-C8              or closely similar composition. (Oxidising flame.)
            Medium  nickel  bronze  For use in the braze welding of mild steel, cast iron and malleable  Flux required.
            - Type S-C9            iron. (Oxidising flame.)
            Aluminium  (Pure)  -  For  use  in  the  welding  of  aluminium  grade  1B.  (Full  fusion  Flux necessary
            Type S-C13             technique with neutral flame.)
            Aluminium      alloy-5  For welding of aluminium casting alloys, except those containing  Flux necessary
            percent  silicon  -  Type  magnesium,  or  zinc  as  the  main  addition. They  may  also  be
            S-NG21                 used  to  weld  wrought  aluminium-  magnesium-silicon  alloys.
                                   (Full fusion technique with neutral flame.)
            Aluminium  alloy-10-13  For welding high silicon aluminium alloys. Also recommended  Flux necessary
            per- cent silicon - Type  for brazing aluminium. (Neutral flame.)
            5-NG2
            Aluminium alloy-5      For welding aluminium casting particularly those containing   Flux necessary
            percent copper         about 5 percent copper. (Full fusion technique with neutral
                                   flame.)

            Stellite: Grade 1      Hard facing of components subjected mainly to abrasion.   None is usually
                                   (Surface fusion technique with excess acetylene flame.)   required. A
                                                                                             cast iron flux
                                                                                             may be used, if
                                                                                             necessary
            Stellite: Grade 6      Hard facing of components subjected to shock and abrasion,   -do-
                                   (Surface fusion technique with excess acetylene flame.)
            Stellite: Grade 12     Hard facing of components subjected to abrasion and       -do-
                                   moderate shock. (Surface fusion technique with excess
                                   acetylene flame.)
            Copper-phosphorus      Brazing copper, brass and bronze components. Brazing with   Necessary
            brazing alloy - Type   slightly oxidising flame on copper; neutral flame on copper
            BA-CuP2                alloys.
            Copper-phosphorus      For making ductile joint in copper without flux. Also widely   None for copper.
            brazing alloy - Type   used on copper based alloys of the brass and bronze type in   A flux is nece-
            BA-CuP5                conjunction with a suitable silver brazing flux. (Flame   ssary for brazing
                                   slightly oxidising on copper; neutral on copper alloys.)  copper alloys.
            Silver-copper-zinc (61   Similar to type BA-CuP5 but with a slightly lower tensile   None for copper.
            per- cent silver) type   strength and electrical conductivity (flame slightly oxidising on   A flux is necess-
            brazing alloys - Type   copper; neutral on copper alloys). NOTE: Phosphorus bearing   ary for brazing
            BA-CuP3                silver brazing alloys should not be used with ferrous metal or   copper alloys.
                                   alloys of high nickel content.

            Silver-copper-zinc (61   This brazing alloy is particularly suitable for joining electrical   Flux necessary
            percent silver) - Type   components requiring high electrical conductivity. (Flame
            BA- Cu-AG6             neutral)
            Silver-copper-zinc (43   This is a general purpose brazing alloy and is particularly   Flux necessary
            per- cent silver) - Type  suitable for joining electrical components requiring high
            BA-Cu- Ag 16           electrical conductivity. (Flame neutral)





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 CITS : C G & M - Welder - Lesson 14-26  CITS : C G & M - Welder - Lesson 14-26
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