OK 68.17

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Mô tả

OK 68.17

OK 68.17 is a coated electrode designed for the welding of stainless-steel castings of the 13Cr4NiMo type, for example. OK 68.17 can be welded in all positions apart from vertical down.

 

Classifications: EN 14700:E Fe7, EN ISO 3581-A:E 13 4 R 3 2, SFA/AWS A5.4:E410NiMo-16,

Werkstoffnummer :1.4351

Approvals: Seproz UNA 272580

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

 

Welding Current: DC+, AC
Diffusible Hydrogen: <8.0 ml/100g
Alloy Type: Martensitic 13Cr4Ni-Mo type
Coating Type: Rutile Basic

 

Typical Tensile Properties
Condition Yield Strength Tensile Strength Elongation
ISO
Stress relieved 8 hr 600 °C 650 MPa 870 MPa 17 %

 

Typical Charpy V-Notch Properties
Condition Testing Temperature Impact Value
ISO
Stress relieved 8 hr 600 °C 20 °C 45 J
Stress relieved 8 hr 600 °C -10 °C 45 J
Stress relieved 8 hr 600 °C -40 °C 40 J

 

Typical Weld Metal Analysis %
C Mn Si Ni Cr Mo
0.02 0.6 0.4 4.6 12.0 0.6

 

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 350 mm 55-100 A 21 V 0.62 73 61 s 0.8 kg/h
3.2 x 350 mm 65-135 A 21 V 0.59 45 66 s 1.2 kg/h
4.0 x 450 mm 90-190 A 24 V 0.59 23 92 s 1.7 kg/h

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