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  • Huazhong Aluminium Brazing Alloy Er4043 - China

    price: contact company for price

    Huazhong Aluminium brazing alloy ER4043 SPECIFICATIONS CLASSIFIICATIONS:

    AWS A5.10 AWS ER4043 ASME SFA 5.10 UNS A94043


    Huazhong Alloy ER4043 is a 5% silicon aluminium. This alloy is recommended for welding 3003, 3004, 5052, 6061, 6063 and casting alloys 43, 335, 356 and 214. Our aluminium brazing alloy ER4043 has a melting rang of 573-632C and a density of .097 lbs./cu.in. The post anodizing color tint of the weld area is gray.


    Tensile strength: Above 160MPa

    Yield strength: 125MPa

    Elongation: 8%

    Chemical Composition(%):Si5, Cu0.3, Mg0.05, Zn0.1, Other<0.5, Al:bal.


    ER4043 belongs to an aluminium brazing alloy with 5% silicon. It is suitable for brazing 6000 series aluminium alloy, 2000 series heat treatment alloy, and cast aluminium. It has good fluidity and excellent anti--thermal crack ability, but low ductility and toughness. After anodized, the 4043 filler metal would be grey, and grown dark than base metal. When brazing 5000 series Al-Mg alloy with 4043, it is easy to form fragile Mg2Si compound, and make ductility and corrosion resistance lower. So it is not suitable for brazing al-Mg alloy. When brazing 6061-T6 aluminium alloy, the tensile strength would be 167 Mpa above.


    boats and ships, motorcycle, chemical engineering, food, mould, house furnishings, container etc.


    1.Get rid of the oxide and grease spots on the surface of the brazing alloy, or bad integration will lead to defect of the blowhole and slag inclusion.

    2.Sole plate could be used to prop the melting metal when brazing.

    Huazhong Aluminium Brazing Alloy ER4043

    Please see our contact information below

    Company Contact:

    • Phone: 65288866528913866753197

    • Address: No.8 Guanqi Road,Economic & Technical Development , Hefei, China

    • Email: Email

    Published date: September 19, 2012 -

    • Business Description: Anhui Huazhong Welding Material Manufacturing co.,Ltd was founded in 2007 in China. We are the prime Manufacturer and Supplier of brazing materials. Our main products include silver/copper/aluminum brazing alloy and matching welding flux.

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