DAIKOWM 107Ti

GMAW
  • CARBON STEELS
GALVANIZED STEEL

Description

Copper coated carbon steel wire
It is suitable for welding thin, galvanized or electro-galvanized plates. Zinc forms a very compact and stable protective layer on the surface of the steel that protects it from rust and corrosive processes. During welding, the surface zinc melts, partly evaporating, partly diluting in the weld pool. 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
EN ISO 14341-A
G 42 2 M 21 Z
AWS A5.18
ER70S-G
Shielding
M21, M14
Positions
PA, PB, PC, PD, PE, PF, PG
Current
DC+
Packaging Type
Drums, B300, D200 and D100 spools.
Asme qualifications
F-No (QW432)
6
A-No (QW442)
1
Chem. Comp. %
DEFAULT
C
0.06
Mn
1.3
Cr
0.02
Al
0.1
P
0.01
S
0.015
Si
0.65
Cu
0.03
Mechanical Properties
min
variant
Tensile strength Rm MPa
490
520
Yield strength Rp0.2 MPa
420
440
Elongation A (L0=5d0) %
22
28
Impact Charpy ISO-V
27J @ -20°C
70J @ -20°C
Impact Charpy ISO-V
-
-
Welding Parameters
1.2 mm
Ampere
150A - 310A
Voltage
28V - 32V
Packaging
Ø 0,8÷1,6mm
Packaging Type
Drums, B300, D200 and D100 spools.
Description

Application

These consumables are specially designed for welding galvanized structural constructions. The microalloying elements in their chemical composition are optimized to minimize zinc contamination within the weld pool. This allows direct welding on galvanized surfaces, significantly reducing spatter and offering superior welding characteristics compared to standard non-alloyed wires. They demonstrate good resilience even at low temperatures. Using these wires with synergic inverter generators enables achieving excellent results. After welding, it is essential to restore surface protection in the welding area and in the heat-affected zone (HAZ) using specific products for cold galvanizing. No additional procedure is required.

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.

Welding & PWHT

Ideal for welding with high resistance to cracking, ensuring reliable joins in critical applications.

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