Tubular Constructions

Brazing alloys for manufacturing of:
Metal furniture, bicycles and motor-bicycles frames, etc.

SILVER BASED ALLOYS                        
Code Composition %             Meltin Range SOLIDUS – LIQUIDUS Tensile Strength Standard Notes
  Ag Cu Zn Cd Ni Sn Si °C kg/mm² EN 1044   Also available as flux-coated rods
Ag5 5 55 40         820 – 890 48 AG 208  
Ag20 20 44 36       X 690 – 810 43 AG 206  
Ag40Sn 40 30 28     2   640 – 700 44 AG 105  
Ag45Sn 45 27 25,5     2,5   640 – 660 43 AG 104  
Ag55Sn 55 21 22     2   630 – 660 44 AG 103 Suitable for Stainless Steel
Ag25Cd 25 30 27,5 17,5       605 – 710 40 AG 307  
Ag30Cd 30 28 21 21       610 – 690 38 AG 306  
Ag34Cd 34 22 24 20       610 – 670 40 AG 305  
Ag40Cd 40 19 21 20       595 – 630 42 AG 304 Suitable for Stainless Steel
Ag50Cd 50 15 16 19       620 – 640 43 AG 301
Ag50CdNi 50 15,5 15,5 16 3     635 – 690 45 AG 351
FLUXES
FLUX AG1 General Purpose
FLUX AG4 General Purpose – Very wide range of temperature
FLUX AG7 General Purpose. Also for Stainless Steel.
BRASS
Code Composition % Meltin Range SOLIDUS – LIQUIDUS Tensile Strength Standard Notes
  Cu Zn Ni Ag Mn Sn Si °C kg/mm² EN 1044    
Cu60Zn 60 Bal         X 875 – 895 40 CU 301   Also available as flux-coated rods
Cu59ZnSn 59 Bal       X X 875 – 895 45 CU 302  
Cu59ZnSnMn 59 Bal X   X 1 X 870 – 890 45 CU 306  
Cu48ZnNi10 48 Bal 10       X 890 – 920 54 CU 305  
Cu48ZnNi9Ag 48 Bal 9 1     X 890 – 920 54    
Cu53ZnNi6 53 Bal 6       X 900 – 920 49    
Cu59ZnAg 59 Bal   1 X X X 860 – 890 45   Suitable for galvanized steel
FLUXES
FLUX BR1 General Purpose – Powder and Paste
FLUX LI1 Liquid flux, for Brazing with Vaporizer systems. Medium Concentration
FLUX LI2 Liquid flux, for Brazing with Vaporizer systems. Medium-High Concentration
FLUX LI3 Liquid flux, for Brazing with Vaporizer systems. High Concentration
COPPER ALLOYS
Code Composition % Meltin Range SOLIDUS – LIQUIDUS Tensile Strength Standard Notes
  Cu Sn Si Mn Ag °C kg/mm² EN 1044 / DIN 1733  
Cu99,9 99,9         1083 22 CU 101 Also available as paste for brazing in oven.
CuSn Bal 0,8 X X   1020 – 1050 22 SG-CuSn  
CuAg Bal     X 1 1070 – 1080 20 SG-CuAg  
CuSi3 Bal   3 1   965 – 1035 35 SG-CuSi3  
ALUMINIUM
Code Composition % Meltin Range SOLIDUS – LIQUIDUS Standard Notes
  Al Si Mg Mn Zn Zr °C DIN  
AlSi12 Bal 12 0,05 0,15     573 – 585 AlSi12 Also for brazing
AlMg4,5Mn Bal 0,2 4,5 0,5 – 1     565 – 638 AlMg4,5Mn  
AlMg4,5MnZr Bal <0,4 4,5-5,2 0,7 – 1,1 <0,25 0,1-0,2 565 – 638 Almg4,5MnZr  
AlMg5 Bal 0,2 5 0,05 – 2     562 – 633 AlMg5  
FLUXES
FLUX AL1 Brazing with AlSi12