OK Tigrod 55

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Mô tả

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.

 

Classifications Wire Electrode: SFA/AWS A5.28:ER100S-G, EN ISO 16834-A:Mn3NiCrMo
Classifications: SFA/AWS A5.28:ER100S-G, EN ISO 16834-A:W 55 4 Mn3NiCrMo, EN ISO 16834-A:Mn3NiCrMo

 

Alloy Type: Low alloyed steel (0.5 % Cr – 0.5 % Ni – 0.2 % Mo)

 

Typical Tensile Properties
Condition Yield Strength Tensile Strength Elongation
Ar (I1) EN
As welded 720 MPa 817 MPa 21 %
Stress relieved 2 hr 620 °C 629 MPa 716 MPa 23 %
Ar(I1) AWS
As welded 636 MPa 713 MPa 16 %

 

Typical Charpy V-Notch Properties
Condition Testing Temperature Impact Value
Ar (I1) EN
As welded -30 °C 129 J
As welded -40 °C 120 J
Stress relieved 2 hr 620 °C -30 °C 140 J
Stress relieved 2 hr 620 °C -40 °C 79 J
Ar(I1) AWS
As welded -30 °C 123 J
As welded -40 °C 86 J

 

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