OK 63.80

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.

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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 Fusion time per electrode at 90% I max 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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Part Numbers and Accessories

Part Numbers : OK 63.80
63802020L0 FIND A DISTRIBUTOR
63802520L0 FIND A DISTRIBUTOR
63803230T0 FIND A DISTRIBUTOR
63804030G0 FIND A DISTRIBUTOR
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