OK 63.34

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OK 63.34 is a stainless electrode of the 19Cr12Ni2.8Mo type, designed for the vertical-down welding of steels of similar composition. OK 63.34 produces beads with a very good finish and a smooth transition to the joint edges. The slag volume is fairly small and is easy to manipulate and easy to remove.

Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded aws
52 J (38 ft-lb) -20 degC (-4 degF)
65 J (48 ft-lb) 20 degC (68 degF)
as welded iso
38 J (28 ft-lb) -120 degC (-184 degF)
65 J (48 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

Condition As Welded As Welded
Shielding Gas ISO AWS
Tensile Strength 600 MPa (87 ksi) 600 MPa (87 ksi)
Yield Strength 440 MPa (64 ksi) 440 MPa (64 ksi)
Elongation 40 %

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
70-90 A 39 sec 1.0 kg/h (2,2 lb/h) 2.5 x 300.0 mm (0.098 x 11,8 in.) 70 % 94 22 V
80-130 A 39 sec 1.6 kg/h (3,5 lb/h) 3.2 x 300.0 mm (1/8 x 11,8 in.) 70 % 59 25 V


Classifications SFA/AWS A5.4 : E316L-16
EN ISO 3581-A : E 19 12 3 L R 1 1
CSA W48 : E316L-16
Werkstoffnummer : 1.4430


Approvals CWB E316L-16
Seproz UNA 272580
VdTÜV 03816
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic CrNiMo
Coating Type Acid Rutile
Ferrite Content FN 3-8
Welding Current DC+, AC

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C Cr Mn Mo N Ni Si Si+Fe
0.02 % 18.7 % 0.8 % 2.8 % 0.13 % 11.8 % 0.8 % 6 %

How to purchase OK 63.34

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Part Numbers and Accessories

Part Numbers : OK 63.34