ESAB

OK 63.80

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Acid rutile covered MMA-electrode for welding Nb-or Ti stabilized steels of the CrNiMo 18-12-3 type. It has very good resistance against intergranular corrosion. The ferrite content level is rather high to ensure quite a good hot cracking resistance. The ferrite may transform to brittle phases at elevated temperatures. To avoid excessive embrittlent of the welds the maximum working temperature is limited to 400°C.


Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded iso
41 J (30 ft-lb) -60 degC (-76 degF)
55 J (41 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

ConditionElongationShielding GasTensile Strength Yield Strength
As Welded38 %ISO614 MPa (89 ksi)507 MPa (74 ksi)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
45-65 A 29 sec 0.8 kg/h (1,8 lb/h) 2.0 x 300.0 mm (5/64 x 11,8 in.) 56 % 155 29 V
60-90 A 35 sec 1.1 kg/h (2,4 lb/h) 2.5 x 300.0 mm (0.098 x 11,8 in.) 56 % 97 30 V
80-120 A 54 sec 1.4 kg/h (3,1 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 61 % 48 32 V
120-170 A 55 sec 2.1 kg/h (4,6 lb/h) 4.0 x 350.0 mm (5/32 x 13,8 in.) 61 % 32 33 V

Classifications

Classifications EN ISO 3581-A : E 19 12 3 Nb R 3 2
SFA/AWS A5.4 : E318-17
Werkstoffnummer : 1.4576

Approvals

Approvals CE EN 13479
NAKS/HAKC 2.5-3.2 mm
VdTÜV 00639
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic CrNi
Coating Type Acid Rutile
Ferrite Content FN 6-12
Welding Current DC+, AC

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Mn Mo N Nb Ni Si Si+Fe
0.02 % 18.2 % 0.6 % 2.9 % 0.08 % 0.31 % 11.5 % 0.8 % 7 %
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How to purchase OK 63.80

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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 63.80
63802020L0
63802520L0
63803230T0
63804030G0
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