1. Towards the goal of having clean steel, Argon Blanketing plays a major role. 2. Depending upon the setup in the foundry; either method can be used, but for the money spent; Swirl Cone Method gives the best results. 3. Benefits derived from argon blanketing over weight heavily when compared to the cost of Argon. 4. There is an excellent pay off when one reviews the reduction in welding times; weld grind times; scrap.
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