OK 67.13

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Mô tả

OK 67.13

OK 67.13 is an austenitic, stainless-steel electrode for welding 25Cr20Ni steels. The weld metal resists scaling up to 1100-1150°C and does not contain any measureable ferrite. OK 67.13 can also be used for welding certain air-hardening steels such as armour plate and for welding stainless to unalloyed steel.

 

Classifications: EN ISO 3581-A:E 25 20 R 1 2, SFA/AWS A5.4:E310-16, Werkstoffnummer :1.4842

 

Welding Current: DC+, AC
Ferrite Content: FN 0
Alloy Type: Austenitic CrNi
Coating Type: Basic Rutile

 

Typical Tensile Properties
Condition Yield Strength Tensile Strength Elongation
AWS
As welded 430 MPa 600 MPa 35 %

 

Typical Charpy V-Notch Properties
Condition Testing Temperature Impact Value
AWS
As welded 20 °C 90 J

 

Typical Weld Metal Analysis %
C Mn Si Ni Cr
0.12 1.9 0.6 21.1 25.6

 

Deposition Data
Diameter Current Voltage kg weld metal/ kg electrodes Number of electrodes/kg weld metal Fusion time per electrode at 90% I max Deposition rate 90% I max
2.5 x 300 mm 50-85 A 21 V 0.51 101 42 s 0.8 kg/h
3.2 x 350 mm 65-120 A 24 V 0.51 53 58 s 1.2 kg/h
4.0 x 350 mm 70-160 A 28 V 0.51 34 61 s 1.7 kg/h
5.0 x 350 mm 150-220 A 31 V 0.54 21 67 s 2.6 kg/h

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