OK 61.81

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OK 61.81

Nb-stabilized MMA-electrode for welding Nb- or Ti-stabilized stainless steel of the 19Cr10Ni-type.

OK 61.81

Documents

OK 61.81 - Fact Sheet (en)

Typical Weld Metal Analysis %

Typical Weld Metal Analysis %
C	Cr	Mn	N	Nb	Ni	Si	Si+Fe
0.06 %	20.2 %	1.7 %	0.08 %	0.72 %	9.7 %	0.7 %	7 %

Approvals

Grade	EN 13479
Society	CE

Grade	3.2 mm
Society	NAKS/HAKC

Grade	VL 347
Society	DNV-GL

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

Typical Charpy V-Notch Properties

Classifications

Grade	E 19 9 Nb R 3 2
Name	EN ISO 3581-A

Grade	E347-16
Name	SFA/AWS A5.4

Grade	1.4551
Name	Werkstoffnummer

Consumable Characteristics

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

Typical Tensile Properties

	As welded	Creep resistance++ 500°C (932°F) 10000h	Creep resistance+ 500°C (932°F) 20000h	Creep resistance 600°C (1112°F) 10000h
Tensile Strength (met)	700 MPa(101.5 ksi)	330 MPa(48 ksi)	310 MPa(45 ksi)	135 MPa(19.5 ksi)
Yield Strength (met)	560 MPa(81 ksi)
Elongation	31 %

Deposition Data

Current		Deposition Rate	Diameter	Number of electrodes/kg weld metal	Voltage	kg weld metal/kg electrodes
40-60 A	39 sec	0.6 kg/h(1.3 lb/h)	2.0 x 300 mm(5/64 x 12 in.)	147	26 V	0.60 kg(1.3 lb)
50-80 A	36 sec	1.2 kg/h(2.6 lb/h)	2.5 x 300 mm(3/32 x 12 in.)	82	29 V	0.59 kg(1.3 lb)
75-115 A	66 sec	1.2 kg/h(2.6 lb/h)	3.2 x 350 mm(1/8 x 14 in.)	44	23 V	0.60 kg(1.3 lb)
80-160 A	66 sec	1.7 kg/h(3.7 lb/h)	4.0 x 350 mm(5/32 x 14 in.)	32	24 V	0.60 kg(1.3 lb)
140-210 A	78 sec	2.3 kg/h(5.1 lb/h)	5.0 x 350 mm(3/16 x 14 in.)	20	25 V	0.60 kg(1.3 lb)

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Part Numbers : OK 61.81
OK 61.81 2.0x300mm 1/4 VP	61812020L0 FIND A DISTRIBUTOR
OK 61.81 2.5x300mm 1/4 VP	61812520L0 FIND A DISTRIBUTOR
OK 61.81 3.2x350mm 1/2 VP	61813230T0 FIND A DISTRIBUTOR
OK 61.81 4.0x350mm 1/2 VP	61814030G0 FIND A DISTRIBUTOR
OK 61.81 5.0x350mm 1/2 VP	61815030G0 FIND A DISTRIBUTOR

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