Exaton

Exaton 24.13.LNb

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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

as welded

Typical Tensile Properties

ConditionElongationTensile Strength Yield Strength
As Welded29 %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)

Classifications

Wire Electrode SFA/AWS A5.9 : ER 309LNb
EN ISO 14343-A : G 23 12 Nb

Consumable Characteristics

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 %
C Co Cr Cu FN deLong Mn Mo N Nb Ni P S Si Ti
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 % -
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How to purchase Exaton 24.13.LNb

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Part Numbers and Accessories

Part Numbers : Exaton 24.13.LNb
S657109820
S657129820
S657123800
S65712982Q
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