OK Tigrod 12.64

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OK Tigrod 12.64 is a copper-coated Mn-Si-alloyed W4Si1/ER70S-6 solid rod for the GTAW of non-alloyed steels, as used in general construction, pressure vessel fabrication and shipbuilding. It has a slightly higher manganese and silicon content than OK Tigrod 12.61 to increase the weld metal strength. This also promotes low sensitivity to surface impurities and contributes to smooth, sound welds.

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded ar (i1) aws
100 J (74 ft-lb) -46 degC (-51 degF)
as welded ar (i1) en
150 J (111 ft-lb) -40 degC (-40 degF)
90 J (67 ft-lb) -50 degC (-58 degF)
stress relieved ar (i1) aws
80 J (59 ft-lb) 2 hr 620 degC (1148 degF) -46 degC (-51 degF)

Typical Tensile Properties

Condition As Welded As Welded Stress Relieved
Shielding Gas Ar (I1) EN Ar (I1) AWS Ar (I1) AWS
Tensile Strength 595 MPa (86 ksi) 610 MPa (88 ksi) 525 MPa (76 ksi)
Yield Strength 525 MPa (76 ksi) 510 MPa (74 ksi) 400 MPa (58 ksi)
Elongation 26 % 30 % 32 %
Testing Time 2 hr
Testing Temperature 620 degC (1148 degF)


Wire Electrode SFA/AWS A5.18 : ER70S-6
Weld Metal EN ISO 636-A : W 46 5 4Si1
Wire Electrode EN ISO 636-A : W 4Si1


Approvals ABS 3Y (I1)
CE EN 13479
LR 3Ym H15 (I1)
VdTÜV 05260
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Carbon-manganese steel

Typical Weld Metal Analysis %

Typical Wire Composition %
C Mn P S Si
0.074 % 1.68 % - - 0.95 %
Typical Weld Metal Analysis %
0.08 % 1.28 % 0.015 % 0.013 % 0.80 %

How to purchase OK Tigrod 12.64

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To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.

Part Numbers and Accessories

Part Numbers : OK Tigrod 12.64