DAIKOFCW 107Ti

FCAW
  • CARBON STEELS
GALVANIZED STEEL

Description

All position flux cored wire for welding thin, galvanized or electro-galvanized plates
Self shielded core wire suitable for manual or automatic, single-pass welding of thin zinc-coated or primed plates (0,8 to 4 mm). Low spatter level and excellent bead appearance. There is a limited oxidation zone around the weld bead. The main applications are in the car industry, shipyards and for air conditioning equipment. To avoid zinc residues in the deposit deoxidizing elements Al and Ti are added. After welding it is recommended to restore the protective surface in the molten and adjacent area using cold galvanizing products.
Specifications
ISO 17632-A
T 46 Z Y N1
AWS A5.36
E71T11
Shielding
M21
Positions
PA, PB, PC, PD, PE, PF, PG
Current
DC-
Packaging Type
BS300, D200 spools
Asme qualifications
F-No (QW432)
6
A-No (QW442)
1
Chem. Comp. %
DEFAULT
C
0.06
Mn
1.3
Ni
0.01
Cr
0.03
Al
1.3
P
0.01
S
0.01
Si
0.65
Cu
0.01
Ti
0.1
Mechanical Properties
min
variant
Tensile strength Rm MPa
530
640
Yield strength Rp0.2 MPa
460
530
Elongation A (L0=5d0) %
20
24
Impact Charpy ISO-V
-
60J @ -20°C
Impact Charpy ISO-V
-
-
Welding Parameters
1.2 mm
1.6 mm
Ampere
130A - 290A
170A - 400A
Voltage
18V - 30V
28V - 32V
Packaging
Ø 1,0÷1,6mm
Ø 1,0÷1,6mm
Packaging Type
BS300, D200 spools
BS300, D200 spools
Description

Application

Engineered for welding galvanized structural fabrications, featuring optimized micro-alloying elements to minimize zinc contamination in the weld pool. This enables direct welding onto galvanized surfaces, reducing spatter and showcasing superior welding characteristics compared to standard unalloyed wires. The consumables exhibit excellent resilience at low temperatures, and when used in conjunction with thread and synergic inverter generators, they deliver optimal results. Post-welding, it is imperative to restore the protective surface in the weld and heat-affected zone (HAZ) using cold galvanizing products. While preheat and post-weld heat treatment (PWHT) may not be universally required, the actual necessity depends on the grade and thickness of the base material being welded. Achieving the required mechanical properties in C-Mn galvanized steels is seamless with these welding consumables. However, given the intricate structural changes during the weld thermal cycle, careful assessment of properties such as HAZ toughness and hardness is advised. This comprehensive approach ensures efficient and high-quality welding for galvanized structural elements.

Alloy Type

Low alloy C-Mn steel, deoxidized with Ti, Al and Zr.

Microstructure

Predominantly ferrite.

Materials

Used to weld C-Mn and low alloy steels also with light surface contaminations and oxides, and for welding galvanized steels with tensile strengths of 580MPa.

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