LY-D707

符合

GB /T 984 EDW-A-15

Description:

LY-D707 is a low hydrogen sodium type hardfacing electrode.DC is applied and the electrode should be contacted reversed polarity.

用途:

It is used for surfacing of strong wear resisting parts,such as concrete mixer vanes, bulldozer and dredge vanes,excavater vanes,high-speed sand mixer tank etc.

ATTENTION:
a.Welding electrodes must be baked for 1 hour at the temperature of 250℃ before welding.
b.Before welding ,the hardfacing weld metal must be cleared away impurities,such as rust,oil,moisture etc.
c.Before welding,the welded pieces should be preheated to the temperature above 300℃, and low alloy steel and stainless steel must be tempered at the temperature of 700℃ after welding.


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