EL KADESIA E 309Nb-16

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AWS A5.4:   E 309Nb-16

Description

An electrode with controlled alloying elements to meet the metallurgical requirements of buffer layers. Excellent welding properties, stable arc, well detaching slag without residuals. Stringer bead technique is recommended. Normally used in combination with different corrosion resistant surfacing, depending on the base material also with an additional PWHT. For service temperatures up to +400°C.

Description

Typical Composition of all-weld Metal

 

Mechanical properties of all-weld Metal

 

Operating Data

Re – drying: if necessary: 300 – 350 ºC, min. 2 h

Welding Positions

  • All, except vertical down

Polarity

  • DC (+)

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