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Unpre-coppered, manganese-silicon alloyed solid wire for welding unalloyed steels such as general structural steels, pressure vessel steels and shipbuilding steels, and for fine grain treated carbon manganese steels for similar applications with a maximum yield strength of 420 MPa. OK AristoRod™ 12.50 is surface treated with ESAB's unique ASC method, a completely new coating technology, which takes MAG welding to new levels in terms of execution and versatile performance, especially in robotic and automated welding. Characteristic advantages are exceptionally good starting properties. Trouble-free feeding at high feed rates and long feed cables, a very stable arc at high welding currents, little spatter, low smoke emission, reduced contact nozzle wear and improved protection against wire corrosion.
Shield gas:
Ar+20% CO2 (M21) or CO2 (C1)
Type of current:
DC+
Example of corresponding additive material:
TIG: OK Tigrod 12.64
MMA: OK 48.00
Tube wire: OK Tubrod 14.12, 14.13, 15.14
Electrode class:
SFA/AWS A5.18: ER70S-6
EN 440: G3Si1
Typical values ??of solid weld metal:
Composition of wire %:
C: 0.1, Si: 0.8, Mn: 1 ,5
Mechanical values:
Strength (ReL): 470 MPa
Breaking strength (Rm): 560 MPa
Elongation (A5): 26%
Impact resistance, KV:
Test temperature/Impact resistance value: +20°C/130 J, -20°C/ 90 J, -30°C/70 J
Approvals:
ABS: 3SA, 3YSA, BV: SA3YM, CWB: CSA W48, DB: 42.039.29, DNV: III YMS, DS: EN 440, GL: 3YS, LR: 3S, 3YS, Ü: 42.039/1 , CEO of TÜV

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Non-coppered silicon-manganese alloyed homogeneous wire intended for gas metal arc welding of unalloyed and fine-grained steels. The wire is characterized by good arc stability, stable feeding properties, and little welding spatter. This makes the OK Autrod 12.63 very suitable also for mechanized welding. OK Autrod 12.63 has an increased silico-manganese content with the same area of ??use as OK Autrod 12.51. The higher silicon content contributes to a more porous weld and better wetting against the base material. If CO2 is chosen as the shielding gas, the increased silicon-manganese content of the electrode allows a higher burn-off of the substances silicon and manganese. The weld metal analysis is thus largely the same with OK Autrod 12.63 + CO2 as with OK Autrod 12.51 + mixed gas. Reported strength values ??have been obtained with Ar+20%CO2 (M21) as shielding gas.
Shielding gas:
Ar+20%CO2 (M21) or CO2 (C1)
Type of current:
DC+
Example of corresponding additive material:
TIG: OK Tigrod 12.64
MMA: OK 48.00, 38.84
Pipe wire: OK Tubrod 14.12 , 14.13, 15.14
Electrode class:
SFA/AWS A5.18: ER70S-6
EN 440: G4Si1
Typical values ??of solid welds:
Composition of the wire %
C: 0.1, Si: 1.0, Mn: 1.7
Mechanical values:
Yield strength (ReL): 525 MPa
Break strength (Rm): 595 MPa
Elongation (A5): 26%
Impact toughness, KV:
Test temperature/Impact toughness value: +20 °C/130 J, -20°C/ 90 J, -30°C/70 J
Approvals:
ABS: 3SA, 3YSA, BV: SA3YM, DB: 42.039. 27, DNV: III YMS, DS: EN 440, GL: 3YS, LR: 3 3YS, SS: EN 440, UDT: EN 440, Ü: 42.039/1, VdTÜV

Pre-copper silicon-manganese alloy G4Si1/ER70S-6 wire electrode for gas metal arc welding of unalloyed and fine-grained steel types in general structures, automotive industry, pressure vessel manufacturing and ship production. The higher silicon and manganese content contributes to a more porous weld and better wetting against the base material, and increases the strength of the weld metal.
Shield gas:
Ar+20%CO2 (M21) or CO2 (C1)
Current type:
DC+
Example of corresponding additive material:
TIG: OK Tigrod 12.64
MMA: OK 48.00, 38.84
Tube wire: OK Tubrod 14.12, 14.13, 15.14
Electrode class:
SFA/AWS A5.18: ER70S-6
EN 440: G4Si1
Typical values on solid welds:
Composition of the wire %:
C: 0.1, Si: 1.0, Mn: 1.7
Mechanical values:
Strength (ReL): 525 MPa
Breaking strength (Rm): 595 MPa
Elongation (A5): 26%
Impact strength, KV:
Test temperature/Impact strength value: +20°C/130 J, -20°C/ 90 J, -30°C/70 J
Approvals:
ABS: 3SA, 3YSA, BV : SA3YM, CL, DB: 42.039.11, DNV: III YMS, DS: EN 440, GL: 3YS, LR: 3 3YS, RINA: SG56A3; SG56A2, RS: 3YMS, Sepros: UNA 485178, SFS: EN 440, SS: EN 440, UDT: DIN 8559, Ü: 42.039/1, VdTÜV