Exaton 2594

Exaton

Exaton 2594

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2594 is a covered electrode with rutile-basic coating used for welding of super-duplex (austenitic-ferritic) stainless steels of UNS S32750/S32760 type. The weld metal has especially good properties under severely corrosive conditions. It has excellent stress corrosion cracking resistance in chloride containing media, excellent pitting resistance, high resistance to general corrosion, high resistance to erosion corrosion and corrosion fatigue. Spray transfer gives a bead with a finely rippled surface. There is little spatter and very good slag removal. The electrode has excellent arc stability and fast burn off rate with minimal stub loss. It is also characterized by improved moisture resistance, self-peeling slag, high resistance to porosity and easy post weld finishing. Typical applications include welding of high alloy austenitic-ferritic stainless steels such as UNS S32750 (wrought) and UNS J93404 (cast) and other super-duplex steels, 25% chromium duplex stainless steels with PRE values between 37 and 40, dissimiliar joints between duplex and carbon and low-alloy steels, 2205 and corresponding duplex steels where the highest corrosion resistance is required.

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Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded iso
45 J (33 ft-lb) -40 degC (-40 degF)
70 J (52 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded25 %ISO900 MPa (131 ksi)730 MPa (106 ksi)

Deposition Data

Current Fusion time per electrode at 90% I max Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
55-85 A 41 sec 0.9 kg/h (2,0 lb/h) 2.5 x 300.0 mm (0.098 x 11,8 in.) 65 % 94 22 V
70-110 A 67 sec 1.1 kg/h (2,4 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 63 % 50 22 V
110-150 A 71 sec 1.4 kg/h (3,1 lb/h) 4.0 x 350.0 mm (5/32 x 13,8 in.) 65 % 33 22 V

Classifications

Classifications SFA/AWS A5.4 : E2594-16
Werkstoffnummer : (1.4410)
EN ISO 3581-A : E 25 9 4 N L R

Approvals

Approvals CE EN 13479
VdTÜV 07378
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic-ferritic CrNiMo
Coating Type Rutile Basic
Ferrite Content FN 35-65
Welding Current DC+, AC
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Part Numbers and Accessories

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Part Numbers : Exaton 2594
68922520L0 FIND A DISTRIBUTOR
68923230T0 FIND A DISTRIBUTOR
68924030G0 FIND A DISTRIBUTOR
68922520U0 FIND A DISTRIBUTOR
68923230U0 FIND A DISTRIBUTOR
68924030U0 FIND A DISTRIBUTOR

ESAB EQUIPMENT WARRANTIES ARE VALID ONLY WHEN PURCHASED THROUGH AN ESAB AUTHORIZED DEALERSHIP.

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