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Question:

Can white steel electrode weld cast iron?

Can white steel electrode weld cast iron?

Answer:

White iron welding electrode can be cast iron, but it is recommended to use pig iron welding, because white steel welding rod after welding is easy to crack.For welding of carbon steel and low alloy steel welding core, are mostly made of low carbon steel as the core, and adding manganese, silicon, chromium, nickel and other components (see wire national standard GB1300 - 77). The reason of low carbon is a low carbon steel wire plastic, wire drawing is relatively easy, on the other hand can reduce the CO content of reducing gas, reduce spatter or porosity and increased weld metal solidification temperature, favorable for overhead welding. The addition of other alloy elements mainly guarantees the comprehensive mechanical properties of the weld, and also has some effect on the welding process performance and the removal of impurities.
I have not used white steel electrode, used 506 is not bad

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