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OK 61.80

OK 61.80

OK 61.80 is an acid rutile Nb stabilised, LMA and low carbon electrode for welding Nb or Ti stabilised steels of the 19Cr10Ni 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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Specifikacijos


Typical Tensile Properties

As welded
Apsauginės dujos Elongation Tensile Strength Yield Strength
ISO 40 % 620 MPa 480 MPa
AWS - - -

Čarpio V formos įrantos testo savybės

As welded
Apsauginės dujos Impact Value Testing Temperature
ISO 60 J 20 °C
ISO 40 J -60 °C

Nusėdimo duomenys

Amperai Fusion time per electrode at 90% I max kg weld metal/kg electrodes Number of electrodes/kg weld metal Nusėdimo greitis Skersmuo Voltai
50-90 A 38 sec 0.56 kg 97 1.0 kg/h 2.5 x 300 mm 26 V
70-130 A 53 sec 0.56 kg 50 1.4 kg/h 3.2 x 350 mm 28 V
90-180 A 55 sec 0.56 kg 33 2.0 kg/h 4.0 x 350 mm 30 V
140-250 A 60 sec 0.56 kg 21 2.9 kg/h 5.0 x 350 mm 31 V

Suvirinimo metalo analizė

Mn
MnCNbSiFerrite FNNiNCr
0.6 % - - - - - - -
C
MnCNbSiFerrite FNNiNCr
- 0.03 % - - - - - -
Nb
MnCNbSiFerrite FNNiNCr
- - 0.29 % - - - - -
Si
MnCNbSiFerrite FNNiNCr
- - - 0.7 % - - - -
Ferrite FN
MnCNbSiFerrite FNNiNCr
- - - - 7 % - - -
Ni
MnCNbSiFerrite FNNiNCr
- - - - - 10.0 % - -
Cr
MnCNbSiFerrite FNNiNCr
- - - - - - - 19.5 %

Patvirtinimai: CE, EN 13479, DNV-GL, VL 347, NAKS/HAKC, 3.2-5.0 mm, VdTÜV, 00638
Klasifikacijos: EN ISO 3581-A, E 19 9 Nb R 1 2, SFA/AWS A5.4, E347-17, Werkstoffnummer, 1.4551

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


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