24.13.LNb is a niobium-stabilized overalloyed filler metal suitable for overlay welding of carbon and low alloy steels, where a type 347 of overlay is required in one layer. Typical applications is cladding of shells and inlets of hydrocrackers, which has a service temperature of 600-650°C. It is used for MIG/MAG welding as well as for overlay welding using hot wire TIG and mechanical TIG.
Typical Charpy V-Notch Properties
Typical Tensile Properties
|Condition||Elongation||Tensile Strength||Yield Strength|
|As Welded||29 %||670 MPa (97 ksi)||500 MPa (73 ksi)|
Recommended Welding Parameters
|Current||Voltage||Wire Diameter||Wire Feed Speed|
|60-220 A||15-28 V||1.0 mm (0.040 in.)||4.0-12.0 m/min (157-472 in./min)|
|150-260 A||24-29 V||1.2 mm (0.047 in.)||3.0-10.0 m/min (118-394 in./min)|
SFA/AWS A5.9 : ER 309LNb
EN ISO 14343-A : G 23 12 Nb
|Alloy Type||Austenitic (with approx. 15 % ferrite) 24 % Cr - 13 % Ni - Low C - Nb|
|Shielding Gas||M12, M13 (EN ISO 14175)|
Typical Weld Metal Analysis %
|Typical Wire Composition %|
|0.01 %||0.02 %||24 %||0.01 %||-||2.1 %||0.02 %||0.05 %||0.8 %||12.5 %||0.013 %||0.001 %||0.3 %||0.005 %|
|Typical Weld Metal Analysis %|
|0.02 %||0.02 %||23.2 %||0.01 %||13 %||2.2 %||0.01 %||0.07 %||0.8 %||12.5 %||0.012 %||0.001 %||0.2 %||-|
How to purchase Exaton 24.13.LNb
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