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AGA CW Handbook A4_32130-UK
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mison
® 8 (ar + 8% co 2 + 0.03% no) mison ® 8 shielding gas is recommended for the mag welding
of unallo- yed and low-alloy steels with solid wire and metal-cored wire. this shielding gas is especially designed for spray arc
and pulse welding. mison ® 8 provides a high welding speed and low spatter and surface slag. the weld bead or reinforcement is low, the arc is stable and the deposi- tion efficiency is high. mison ® 8 is the best choice when trying to achieve the highest produc- tivity in robot or mechanised welding. reduces the amount of harmful ozone generated more than usual duri- ng high-productivity welding. classification: iso 14175-z mison ® 18 (ar + 18% co 2 + 0.03% no) mison ® 18 shielding gas is suited to the mag welding of unalloyed and low-alloy steels with solid wire and metal-cored wire. it is also suited to pulse welding with certain limitations, and it can also be used as the shielding gas for the rutile cored wire welding of stainless steels. mison ® 18 provides a low weld bead and low-spatter welding in all arc regions. well suited to be used as a general gas. reduces the amount of harmful ozone generated during welding. classification: iso 14175-z mison ® 25 (ar + 25% co 2 + 0.03% no) mison 25 shielding gas is suited to the mag welding of unalloyed and low-alloy steels with solid wire and metal-cored wire. mison ® 25 provides a fluid and highly manageable molten pool when short arc is used. the shielding gas has an excellent tolerance to impurities in spray arc welding, and it produces a tight weld even in unfavourable conditions. spatter formation is lower, the weld fusion with the base material better and the welding speed higher compared to carbon dioxide. it is the most oxidising of the gas mixtures, due to which slag formation is also the highest. the gas is especially recommended for short arc welding (small ma- chines) and spray arc welding when the weld has tightness require- ments or the welding conditions are unfavourable. reduces the amount of harmful ozone generated during welding. classification: iso 14175-z mison ® ar (ar + 0.03% no) mison ® ar is suited to the tig welding of most metals, and provides and easily igniting arc which is more stable than with argon. mison ® ar is also suited to the mig welding of aluminium and its alloys, high-alloy stainless steels (duplex and superduplex), copper and nickel alloys. provides a stable and spatter-free welding. also recommended for the mig soldering of coated steels. this shielding gas is not recommended for root protection. reduces the amount of harmful ozone generated during welding. classification: iso 14175-z mison ® 2 (ar + 2% co 2 + 0.03% no) mison ® 2 is suited to the mag welding of stainless steels, such as standard austenitic grades (e.g. aisi 304 and 316), ferritic and standard- grade duplex steels. mison ® 2 is suited to short arc, spray arc and pulse welding. low spatter and surface slag, good penetration and low weld bead. reduces the amount of harmful ozone generated during welding. classification: iso 14175-z mison ® 2he (ar + 2% co 2 + 30% he + 0.03% no) mison ® 2he is suited to the mag welding of stainless steels, such as most austenitic (e.g. aisi 304 and 316), ferritic and standard-grade duplex steels. the shielding gas is suited to short arc, spray arc and pulse welding. low spatter and surface slag, good penetration and low weld bead. especially recommended for the welding of thicker materials. shielding gas applications.
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