OK 67.55

ESAB

OK 67.55

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OK 67.55 is a basic coated electrode especially designed for welding duplex stainless steels i, e. UNS S31803. The deposited weld metal gives very high ductility down to -50°C/-60°C. Particularly suitable for welding duplex pipes in offshore applications.

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Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded iso
85 J (63 ft-lb) -20 degC (-4 degF)
75 J (56 ft-lb) -40 degC (-40 degF)
65 J (48 ft-lb) -60 degC (-76 degF)
100 J (74 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded28 %ISO800 MPa (116 ksi)650 MPa (94 ksi)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
50-80 A 49 sec 0.8 kg/h (1.8 lb/h) 2.5 x 300.0 mm (0.098 x 11.8 in.) 59 % 96 23 V
65-115 A 61 sec 1.2 kg/h (2.6 lb/h) 3.2 x 350.0 mm (1/8 x 13.8 in.) 59 % 50 24 V
80-140 A 74 sec 1.5 kg/h (3.3 lb/h) 4.0 x 350.0 mm (5/32 x 13.8 in.) 60 % 33 24 V

Classifications

Classifications Werkstoffnummer : 1.4462
EN ISO 3581-A : E 22 9 3 N L B 2 2
SFA/AWS A5.4 : E2209-15

Approvals

Approvals DNV-GL Duplex
Seproz UNA 272580
VdTÜV 06774
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

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

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Mn Mo N Ni Si Si+Fe
0.04 % 23.2 % 1.0 % 3.2 % 0.15 % 9.1 % 0.7 % 41 %
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Part Numbers and Accessories

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Part Numbers : OK 67.55
67552520L0 FIND A DISTRIBUTOR
67553230T0 FIND A DISTRIBUTOR
67554030G0 FIND A DISTRIBUTOR

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

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