visit the store http://weldmongerstore.com/
see a more detailed article on this http://goo.gl/Udqo9y
The 4g overhead welding test is often given along with the 3g vertical plate test. The same tips for the overhead weld test apply to pretty much any overhead stick welding.
Set amperage to hot enough that the rod wont stick even when you hold a tight arc.
then hold a tight arc.
Zhongshun Steel Group founded in 2000,is a professional manufacturer of carbons steel pipes located in Daqiuzhuang Town of Tianjin City, covering an area of 300,000 square meters, with investment of USD 37 million and more than 350 employees. Our company’s main production is ERW, SSAW and LSAW steel pipes. We have 3 longitudinally H.F. welded pipe production lines, 5 spirally double submerged arc welded pipe production lines. And we also have our own 2 anti-corrosion processing lines; the company can manufacture 300,000 tons of welded steel pipes per year.