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OK Tigrod 55

A copper coated, low alloyed, chromium-nickel-molybdenum (0,5% Cr, 0,5% Ni, 0,2% Mo) rod for GTAW of high strength steels with a minimum tensile strength of 690 MPa. The rod is also suitable for welding of steels where a good impact strength at low temperatures is required.

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Specifications
Classifications	EN ISO 16834-A : W 55 4 Mn3NiCrMo EN ISO 16834-A : Mn3NiCrMo SFA/AWS A5.28 : ER100S-G
Approvals	CE : EN 13479 UKCA : EN 13479

Alloy Type	Low alloyed steel (0.5 % Cr - 0.5 % Ni - 0.2 % Mo)
Shielding Gas	I1 (EN ISO 14175)

Tensile_Properties
Testing Condition	Yield Strength	Tensile Strength	Elongation
Ar(I1) AWS
As Welded	636 MPa	713 MPa	16 %
Ar (I1) EN
As Welded	720 MPa	817 MPa	21 %
Stress Relieved 2 hour(s) 620 °C	629 MPa	716 MPa	23 %

Charpy Testing
Testing Condition	Testing Temp	Impact Value
Ar(I1) AWS
As Welded	-30 °C	120 J
As Welded	-40 °C	85 J
As Welded	-50 °C	80 J
Ar (I1) EN
As Welded	-30 °C	125 J
Stress Relieved 2 hour(s) 620 °C	-30 °C	140 J
As Welded	-40 °C	120 J
Stress Relieved 2 hour(s) 620 °C	-40 °C	75 J
As Welded	-50 °C	75 J

Typical Weld Metal Analysis %
C	Mn	Si	S	P	Ni	Cr	Mo	Cu
0.1	1.4	0.7	0.015	0.015	0.5	0.5	0.2	0.15

Typical Wire Composition %
C	Mn	Si	Ni	Cr	Mo
0.118	1.38	0.71	0.52	0.57	0.19

Description	Product number
OK Tigrod 55 2.0 × 1000 mm 5 kg	131320R150
OK Tigrod 55 2.0 × 500 mm 1 kg	131320R51C
OK Tigrod 55 2.4 × 1000 mm 5 kg	131324R150
OK Tigrod 55 2.4 × 500 mm 1 kg	131324R51C

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OK Tigrod 55

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OK Tigrod 55

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