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welderkid556 wrote:i am confused with the whole idea of people adding oxygen to tank mixtures, doesnt that contaminate welds just as if wind is to blow away the shield? i have never seen any mixture in my area include oxygen. all we can get is argon,co2, helium for welding. but for cutting we can get full tanks of oxygen. i have always been taught that if ANY oxygen gets into the weld it will contaminate the puddle and your done, it causes porosity, snail trails if useing flux core and massive popping and crackleing and none of it sounds good. so please explain what you mean by adding oxygen to a gas cylinder for welding. thank you for the replies
welderkid556 wrote:correct me if im wrong but isnt hydrogen highly unstable, the same reason why automobile companies wont use hydrogen to power the automobiles instead of gas. by compressing that into a gas cylinder would make the risk even higher if something was to happen inside of a shop? say if something happened to the compressed gas cylinder? im not saying the mixture wouldnt work i would just be concerned about having any form of hydrogen in or anywhere near our shop.