OK 68.53

ESAB

OK 68.53

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OK 68.53 is a coated electrode for welding austenitic-ferritic steels of Super Duplex types, e.g. SAF 2507 and Zeron 100. OK 68.53 has good welding characteristics in all positions and the slag is easily detachable.

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Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Mo N Ni Si Si+Fe
0.03 % 25.2 % 4 % 0.25 % 10.3 % 0.6 % 39 %

Approvals

Grade EN 13479
Society CE
Grade 07377
Society VdTÜV
Grade Duplex
Society DNV-GL
Approvals are based on factory location. Please contact ESAB for more information.

Typical Charpy V-Notch Properties

Classifications

Grade E 25 9 4 N L R 32
Name EN ISO 3581-A
Grade E2594-16
Name SFA/AWS A5.4
Grade (1.4410)
Name Werkstoffnummer

Consumable Characteristics

Welding Current DC+, AC
Ferrite Content FN 35-50
Coating Type Basic Rutile
Alloy Type Austenitic-ferritic CrNiMo

Typical Tensile Properties

ElongationTensile Strength (imp)Yield Strength (imp)
30 %850 MPa (123 ksi)700 MPa (101.5 ksi)

Deposition Data

Current Deposition Rate Diameter Number of electrodes/kg weld metal Voltage kg weld metal/kg electrodes
55-85 A 43 hr 0.9 kg/h(2.0 lb/h) 2.5 x 300 mm(3/32 x 12 in.) 94 22 V 0.60 kg(1.3 lb)
70-110 A 62 hr 1.2 kg/h(2.6 lb/h) 3.2 x 350 mm(1/8 x 14 in.) 47 22 V 0.60 kg(1.3 lb)
80-150 A 67 hr 1.7 kg/h(3.7 lb/h) 4.0 x 350 mm(5/32 x 14 in.) 32 23 V 0.60 kg(1.3 lb)
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Part Numbers and Accessories

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Check box to add

Part Numbers : OK 68.53
OK 68.53 2.5x300mm 1/4 VP 68532520L0 FIND A DISTRIBUTOR
OK 68.53 3.2x350mm 1/2 VP 68533230T0 FIND A DISTRIBUTOR
OK 68.53 4.0x350mm 1/2 VP 68534030G0 FIND A DISTRIBUTOR
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