Exaton

Exaton 25.10.4.LB

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Exaton 25.10.4.LB is a high alloyed chromium-nickel-molybdenum-nitrogen covered electrode with basic coating for welding of 25%Cr- and superduplex stainless steels (e.g. Sandvik SAF 2507 and Zeron 100). The basic type of electrode combines good welding properties in all positions with high impact strength at low temperatures. The weld metal is characterized by high strength and very good corrosion resistance. Exaton 25.10.4.LB is used for welding of super duplex stainless steels in service temperatures up to 280°C (536°F), where good impact strength at temperatures down to -50°C is required. Common steel types include: ISO 1.4410, 1.4501 and 1.4507; UNS: S32750, S32760, S31260 and S32550. It can also be used as overmatching consumable for 21-23%Cr duplex stainless steels. The weld metals produced are not completely porosity free, but they fulfil the welding requirements described in ASME IX, Article 1 Welding Requirements- QW 191.1.


Typical Charpy V-Notch Properties

as welded iso

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded26 %ISO915 MPa (133 ksi)750 MPa (109 ksi)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
50-80 A 50.2 sec 0.72 kg/h (1.6 lb/h) 2.5 x 300.0 mm (0.098 x 11.8 in.) 62 % 100 22 V
70-100 A 58.67 sec 1.2 kg/h (2.6 lb/h) 3.2 x 350.0 mm (1/8 x 13.8 in.) 65 % 53 23 V
100-150 A 2.0 kg/h (4.4 lb/h) 4.0 x 350.0 mm (5/32 x 13.8 in.) 73 % 26

Classifications

Classifications Werkstoffnummer : (1.4410)
SFA/AWS A5.4 : E2594-15
EN ISO 3581-A : E 25 9 4 N L B

Approvals

Grade EN 13479
Society CE
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic-Ferritic CrNiMo
Coating Type Basic
Ferrite Content FN 35-55
Welding Current DC+
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How to purchase Exaton 25.10.4.LB

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Part Numbers and Accessories

Part Numbers : Exaton 25.10.4.LB
68932520L0
68933230T0
68934030G0
68932520U0
68933230U0
68934030U0
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