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.


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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How to purchase OK 67.55

We're as eager to put ESAB gear in your hands as you are to have it.  That's why we sell our products with distributors who'll give you the attention, support, and value you deserve.  Their expertise will make sure that you're as happy with the purchasing process as we know you'll be with your purchase itself.

To make things even easier, we've developed the online shopping list below.  As you browse our site, you'll be able to click on any product to have it added to this easy reference sheet.  And when you're done, you can send the list to yourself or print it out and bring it in to the distributor of your choice.

To find an ESAB distributor, just use the distributor locator tool featured on every page of our site.  Alternatively, you can call our support line at +361 382 1235 and we'll point you in the right direction.


Part Numbers and Accessories

Part Numbers : OK 67.55
67552520L0
67553230T0
67554030G0
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