SAFRA
SF-Cu.Si. 3

A.W.S. A5.7:
ER Cu Si-A

DIN 1733:
SG-Cu Si 3
WERKS.2.1461

BS2901 Pt.3: C9
EN 24373
S CU 6560
Cu Si 3 Mn 1
 

DESCRIPTION


This alloy is used for inert gas arc welding of metals with copper basis, as, for example, copper-silicium, copper-zinc and galvanized sheets, also connected to steel. This material is frequently used for fixing in artistic foundries, for welding galvanized sheets and even as coating of steel using the MIG and TIG methods. It is also suitable for surfaces subject to corrosion.

CHEMICAL COMPOSITION
Al <0,01
Si 2,8 - 4,0
Mn 0,5 - 1,5
Sn <0,20
Zn <0,20
Pb <0,02
Fe <0,3
P <0,02
Cu remainder
Others tot. <0,40
  SHIELDING GASES FOR GMAW/GTAW
  Argon: DIN 32526 l1
  Gas Flow rate: 14-18 L./Min.
   
  MECHANICAL CHARACTERISTICS
  Tensile strength Rm: 330-370 N/mm2
  Elongation L=5d: 40%¡Ü
  Hardness: 80 - 90 HB
Mechanical properties quoted above are approximate values, intended for guidance only
 
  AVAILABLE SIZES
MIG: 12,5-15 Kg D300 or K300/KS300 Spools

WIRE DIAMETER

0,8 mm 1,0 mm 1,2 mm 1,6 mm 2,0 mm 2,4 mm
10kg or 25kg TIG Carton box (length 1000 mm)

RODS
DIAMETER

1,6 mm 2,0 mm 2,4 mm 3,2 mm 4,0 mm
 
MORE DIAMETERS AND PACKAGING UPON REQUEST  
 
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