Gas shielded welding is a new welding process developed on the basis of the wide application of manual arc welding and submerged arc automatic welding. In the practice of gas shielded arc welding for many years, it has been found that replacing a single pure gas with a mixed gas as a shielding gas c

Product Name: Helium HeliumOther names: Leak detection gas, HeliumProduct purity: 99.9~99.9999%Product Description: Helium is a colorless, odorless, non-combustible inert compressed gas. With its low boiling point of -268.9 ° C, liquid helium can be used for ultra-low temperature cooling. Helium is