WPS is actually a combination of process (GTAW – GMAW) gratitute that P is correct, but there are a few questions and problem for me. How result of a process of welding the more that do not touch directly with the flow of a service can affect the design of the equipment page (in this case a postscript GMAW as part of a filler until CAPPING ROOT). If we observe that touch directly with the service flow is not the GTAW and GMAW. Please note that the process of a welding will not affect the flow of service home design material designed by the Engineering and what WPS is correct and in accordance with the characteristics of the base flow metal and service though the process of using welding not be any problems. If the process of welding (GMAW dg CO2) associated with the strength welding result of the shielding gas CO2 is still relevant and have join. How joint process GMAW with CO2 as Shielding Gas with the strength of welded?

Please note Shielding gas CO2 that a aplicated on the mild steel material (estimated my application material that is used on equipment is Mild STEEL) will be able to function as OKSIDATOR. If OKSIDATOR this reacts on the liquid metal at the occurrence of welding will be able to form a oxidation and KARBONMONOKSIDA BESI (CO). Element of this is the CO will affect the mechanical nature of the weld metal elements because POROSITY CO insinuate that the weld metal during cooling occurs. Mechanical nature of the other effect is DUCTILITY and strength due to the IMPACT IRON NITRITE usually the presence of this element at the same time with the cracks.

What if PURE ARGON used as shielding gas?

Question for me what is what PURE ARGON FULL ARGON? The purpose of the PURE ARGON as welding shielding gas is ARGON which has 99,995% pure grade. Where does ARGON gas MONOATOMIC therefore ARGON is not a gas that is OKSIDATOR. PURE ARGON is not recommended as the shielding gas for GMAW when applicated on Mild STEEL material because it will cause UNDERCUT welded along the edge (Weld). For more details, please try P Errick with DCEP currents. Therefore I recommend that if you want to obey the instructions application hand book of Manufacture wire weld.

Material Mild steel is usually recommended using CO2 or Argon + CO2. And do not forget to buy gas if I have this certificate or Lab test results data. For additional information from this enlightenment ARGON gas that have market we have two types, namely PURE ARGON is usually equipped with a certificate in which the composition and grade 99999% ARGON (ARGON effeminate) grade composition of 87% or 90%, and the price is much cheaper it’s 4 X PURE ARGON The enlightenment that we can hopefully gratitute useful.

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