ER110S-G / G69 4 M21 ZMn3NiMo Welding Wire Manufacturers

Welding wire for construction machinery   Specification ISO G69 4 M21 ZMn3NiMo AWS ER110S-G GB ER76-G Shieding Gas 80%Ar + 20%CO2   Characteristics： (1) This product is the 800MPa grade high strength steel wire, it has very good mechanical properties.  (2) With the mixed shielding gas,this wire can be used to welding the important corresponding level structures.   Precautions： 1. Pay attention to the gas purity and mixture ratio.  2. Keep the gas flow rate between 15 ~ 25 L / Min.  3. The extension length keep between 15 to 20mm   4. Clear the oil, rust, moisture, dust and other debris of the welded parts.  5. Keep the welding hood clean and unobstructed.   One chemical composition of the weld metal sample (wt%)  （Shielding Gas:80%Ar+20%CO2） C Si Mn P S Else 0.07 0.50 1.52 0.008 0.005 --   One mechanical properties of the weld metal sample  （Shielding Gas:80%Ar+20%CO2） Tensild Strength     MPa Yield Strength     MPa Elongation     % Impact Energy Value ℃ J 835 760 23 -20 95   The applicable current range and specifications of the product (DC+): Dia (mm) 1.2 1.4 1.6 Current Range   (Amp) Flat /Flat fillet welding 200 ~ 350 250 ~ 450 300 ~ 550 Horizontal welding 200 ~ 320 250 ~ 400 300 ~ 450   Hebei XINYU Welding Co., Ltd, which mainly produces high strength steel welding wire, Non-copper-coated solid wire,  submerged arc & stainless steel welding wire .   Click here to visit our factory.