Inert Gas Welding Selected Reference Tables
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1 Inert Gas Welding Selected Reference Tables
2 Inert Gas Welding Selected Reference Tables At a glance This summarized compilation of reference tables is intended as an aid to orientation in shielding gas welding. It gives an overview of the wide range of welding inert gases and their areas of application. The tables can be helpful in the solution of welding problems but you should not miss out on the experience and advice of our welding experts. Special information on our shielding gases is contained in our detailed publications. For optimum control of profitability in inert gas welding, Messer has developed a welding cost calculation system with computer aided measured value processing. We are happy to place this facility at the disposal of users on request. Inert Gas Welding Tungsten Inert Gas Welding Metal Inert Gas Welding Non-consumable tungsten electrode consumable wire electrode Tungsten Inert Gas welding Open arc Plasma Plasmawelding Confined arc MIG Metal Inert Gas welding Inert gas atmosphere MAG Metal Active Gas welding CO or O in shielding gas
3 Shielding Gases for Welding at a glance Group according to DIN EN Ar Welding-Argon 4.6 I Argon Special 4.8 I /MG Helium 4.6 I Alumix He90 Alumix He70 Product designation Composition [%] He O CO H N Process according to DIN Alumix He0 0 0 Alumix He Alumix N S I Alumix He N S Alumix He0 N S Alumix He0 N 0,0 0,0 0 0,0 S 0 0,0 Inoxmix H 98 Inoxmix H 9 Inoxmix H7 9, 7, Inoxmix N 98,7, Inoxmix N 97,, Inoxmix He N S 8,7, Inoxmix He H 9, Inoxmix X M 98 Inoxmix C M 97, Inoxmix He C M() 8 Inoxmix He0 H C M() Ferromix C8 M 9 8 Ferromix C8 M 8 8 Ferromix C M 7 MAG Ferromix X4 M 96 4 Ferromix X8 M 9 8 Ferromix C X M 90 Ferromix C X M4 80 Ferromix He0 C8 M() 7 8 MAG C carbon dioxide (industrial grade) C Forming gas (N-H-mixes) F,, 0 0, Root protection
4 Areas of Application Standard Shielding Gases and their Application in Welding Product Typical Mixes Welding Argon Inoxmix H Inoxmix N l % H % H 7, % H, %, % % He,, % N Helium 4.6 Alumix He Alumix N Alumix He N 0 % He 0 % He 70 % He 90 % He 0,0 % N % He, 0,0 % N 0 % He, 0,0 % N 0 % He, 0,0 % N Argon 4.8 Forming gas (N-H mixes) Group acc. DIN EN 49 S I Sl S S High alloy and mild, aluminum alloys, other non ferrous metals Austenitic CrNi (% and 7.% preferably fully mechanical) Duplex, super-duplex fully austenitic CrNi Aluminum (negative polarity welding) Steels (orbital technique) Aluminum, copper (preferably 70% He) Nickel (preferably 0% He) Steels (orbital technique) DC welding (preferably 90% He) S I % H 0 % H % H 0 % H Application F Gas sensitive materials such as titanium, niobium, molybdenum, tantalum, as well as for root protection Root protection for high alloy and alloyed % H Standard Shielding Gases and their Application in MIG Welding Product Alumix He Alumix N Alumix He N Alumix He 0 N Alumix He 0 N Inoxmix H 0 H Helium 4.6 Typical Mixes 0 % He 0 % He 70 % He 0,0 % N % He, 0,0 % N 0 % He, 0,0 % N 0 % He, 0,0,% N % He, % H 0, % CO Group acc. DIN EN 49 Application Aluminum, nickel alloys CuNiFe alloys, copper Aluminum materials S S S S I Nickel-based materials Copper (if preheating not possible)
5 Applications for MAG Welding Product Families for MAG Welding Product family Application Inoxmix high alloy, conditionally mild Ferromix mild, conditionally high alloy Classification of shielding gases for MAG welding according to DIN EN 49 and their applications Group acc. DIN EN 49 M M M C Components [%] Code number CO 4 4 > to > to > to 0 > to 0 M: Mixed gas, C: Carbon dioxide/co O > 0 to > 0 to > to 0 > to 0 > 0 to 8 > 0 to > 8 to - Ar - H - High alloy Mild and alloyed
6 Cost Comparison Shielding gas Shielding gas 70 % Helium / 0 % Argon % Argon Labor cost Wire Gas Labor cost Wire Gas Edge preparation, EUR / unit,7 EUR / unit Penetration Intensification 0 mm % Argon 70 % Argon 0 % Helium Base material: Welding current: Sheet thickness: AI Mg 4, Mn 40 A 0 mm 0 % Argon 0 % Helium 0 % Argon 70 % Helium % Helium Messer Group GmbH Gahlingspfad 4780 Krefeld Tel Fax info@messergroup.com 09/0 /.EN.0
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