OK 73.79 is a nickel-alloyed, LMA electrode for welding 3.5 Ni steel with impact requirements down to -101°C. It is used, for example, for ethane tanks and chemical plants.
Typical Charpy V-Notch Properties
|Impact Value||Testing Temperature|
|as welded iso|
|35 J (26 ft-lb)||-101 degC (-150 degF)|
|130 J (96 ft-lb)||-60 degC (-76 degF)|
|110 J (81 ft-lb)||-75 degC (-103 degF)|
Typical Tensile Properties
|Condition||Elongation||Shielding Gas||Tensile Strength||Yield Strength|
|As Welded||27 %||ISO||630 MPa (91 ksi)||540 MPa (78 ksi)|
|Current||Deposition Rate @ 90% I max||Diameter||Deposition Efficiency (%)||Number of electrodes/kg weld metal||Voltage|
|70-110 A||60 sec||0.8 kg/h (1,8 lb/h)||2.5 x 350.0 mm (0.098 x 13,8 in.)||60 %||76.0||25 V|
|80-150 A||77 sec||1.5 kg/h (3,3 lb/h)||3.2 x 450.0 mm (1/8 x 17,7 in.)||60 %||37.0||25 V|
|90-190 A||88 sec||1.8 kg/h (4,0 lb/h)||4.0 x 450.0 mm (5/32 x 17,7 in.)||63 %||26.0||27 V|
|110-240 A||100 sec||2.1 kg/h (4,6 lb/h)||5.0 x 450.0 mm (0.197 x 17,7 in.)||60 %||15.0||29 V|
SFA/AWS A5.5 : E8016-C2
EN ISO 2560-A : E 46 6 3 Ni B 12 H5
DNV-GL 5 Y46H5
RS 5Y46 H5
|Approvals are based on factory location. Please contact ESAB for more information.|
|Alloy Type||Low alloyed (3.5 % Ni)|
|Coating Type||Basic covering|
|Diffusible Hydrogen||< 5.0 ml/100g|
|Welding Current||AC, DC+-|
Typical Weld Metal Analysis %
|Typical Weld Metal Analysis %|
|0.06 %||0.05 %||0.8 %||0.01 %||3.37 %||0.36 %|
How to purchase OK 73.79
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