OK 61.25

ESAB

OK 61.25

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OK 61.25 is a basic coated, stainless-steel electrode of the 308H type. The electrode is designed for high-temperature applications in petrochemical and chemical process plants.

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Typical Charpy V-Notch Properties

Impact Value Testing Temperature
as welded aws
83 J (61 ft-lb) -18 degC (-0.4 degF)
95 J (70 ft-lb) 20 degC (68 degF)
pwht 720°c (1328°f) 1000h aws
100 J (74 ft-lb) 20 degC (68 degF)

Typical Tensile Properties

Condition PWHT As Welded
Shielding Gas AWS AWS
Tensile Strength 570 MPa (83 ksi) 600 MPa (87 ksi)
Yield Strength 300 MPa (44 ksi) 430 MPa (62 ksi)
Elongation 45 % 45 %
Testing Time 1000 hr
Testing Temperature 720 degC (1328 degF)

Deposition Data

Current Deposition Rate @ 90% I max Diameter Deposition Efficiency (%) Number of electrodes/kg weld metal Voltage
55-85 A 47 sec 0.9 kg/h (2,0 lb/h) 2.5 x 300.0 mm (0.098 x 11,8 in.) 62 % 93 23 V
75-110 A 66 sec 1.2 kg/h (2,6 lb/h) 3.2 x 350.0 mm (1/8 x 13,8 in.) 59 % 49 23 V
80-160 A 68 sec 1.8 kg/h (4,0 lb/h) 4.0 x 350.0 mm (5/32 x 13,8 in.) 61 % 32 24 V

Classifications

Classifications EN ISO 3581-A : E 19 9 H B 2 2
SFA/AWS A5.4 : E308H-15

Approvals

Approvals NAKS/HAKC 2.5-4.0 mm
Seproz UNA 272580
Approvals are based on factory location. Please contact ESAB for more information.

Consumable Characteristics

Alloy Type Austenitic CrNi
Coating Type Basic
Ferrite Content FN 2-5
Welding Current DC+

Typical Weld Metal Analysis %

C Cr Cu Mn Mo Ni P S Si
0.07 % 19 % 0.50 % 1.50 % 0.50 % 10 % 0.03 % 0.02 % 0.45 %
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Part Numbers and Accessories

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Part Numbers : OK 61.25
61252520L0 FIND A DISTRIBUTOR
61253230T0 FIND A DISTRIBUTOR
61254030G0 FIND A DISTRIBUTOR

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

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