OK 68.53

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OK 68.53

OK 68.53 is a coated electrode for welding austenitic-ferritic steels of Super Duplex types, e.g. SAF 2507 and Zeron 100. OK 68.53 has good welding characteristics in all positions and the slag is easily detachable.

OK 68.53

Documents

OK 68.53 - Fact Sheet (en)

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C	Cr	Mo	N	Ni	Si	Si+Fe
0.03 %	25.2 %	4 %	0.25 %	10.3 %	0.6 %	39 %

Approvals

Grade	EN 13479
Society	CE

Grade	07377
Society	VdTÜV

Grade	Duplex
Society	DNV-GL

Approvals are based on factory location. Please contact ESAB for more information.

Typical Charpy V-Notch Properties

Classifications

Grade	E 25 9 4 N L R 32
Name	EN ISO 3581-A

Grade	E2594-16
Name	SFA/AWS A5.4

Grade	(1.4410)
Name	Werkstoffnummer

Consumable Characteristics

Welding Current	DC+, AC
Ferrite Content	FN 35-50
Coating Type	Basic Rutile
Alloy Type	Austenitic-ferritic CrNiMo

Typical Tensile Properties

Elongation	Tensile Strength (imp)	Yield Strength (imp)
30 %	850 MPa (123 ksi)	700 MPa (101.5 ksi)

Deposition Data

Current		Deposition Rate	Diameter	Number of electrodes/kg weld metal	Voltage	kg weld metal/kg electrodes
55-85 A	43 hr	0.9 kg/h(2.0 lb/h)	2.5 x 300 mm(3/32 x 12 in.)	94	22 V	0.60 kg(1.3 lb)
70-110 A	62 hr	1.2 kg/h(2.6 lb/h)	3.2 x 350 mm(1/8 x 14 in.)	47	22 V	0.60 kg(1.3 lb)
80-150 A	67 hr	1.7 kg/h(3.7 lb/h)	4.0 x 350 mm(5/32 x 14 in.)	32	23 V	0.60 kg(1.3 lb)

Part Numbers and Accessories

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Part Numbers : OK 68.53
OK 68.53 2.5x300mm 1/4 VP	68532520L0 FIND A DISTRIBUTOR
OK 68.53 3.2x350mm 1/2 VP	68533230T0 FIND A DISTRIBUTOR
OK 68.53 4.0x350mm 1/2 VP	68534030G0 FIND A DISTRIBUTOR

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