What welding rod should be used for welding of cast iron and Q235B steel plate?
Such as outdoor and field construction, should be relatively closed work environment, do a good job of wind work, reduce air flow. Two. Use acetylene torch to preheat the welding and its surrounding parts, and then weld them to a temperature. Three, welding side edge knocking release and eliminate stress. Four, slow cooling is correct, after welding torch with air flow slow heating, avoid welding temperature drop.
Q235B is a kind of low carbon steel commonly used in China, good welding performance, applicable to a variety of welding engineering used J422 (new brand E4303) in order to improve the efficiency of welding, and can also be used CO2 welding, welding wire can be used H08.
SUS304 is 18/8 stainless steel. GB brand 0Cr18Ni9, this is an austenitic stainless steel, austenitic welding electrode, such as A102 or A302 welding.
