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                                              SJ-53  
                                              Specification£º GB/T8110  ER50-3

                                              AWS A5.18  ER70S-3

                                              JIS Z3312 YGW16

                                              Approved by£º CE
                                               Features and Applications    
                                              When welded under the operating condition of low current, SJ-53 spatters little spark and have stable electric arc;Users Ar+CO2 as shielding gas for all-position welding or high-speed single-layer back welding. Mostly appplied to butt joint welding and fillet welding of steel structures in the industries of shipbuilding, vehicle, bridge, architecture and pipe fittings.

                                               Points for Attention    
                                              Ensure that the purity of shielding gas and mixing ratio of properly mixed gas is well controlled.
                                              Keep the shielding gas flow at 20-25L/min
                                              Keep the electrode extension between 15-25mm
                                              Rid the welded part of rusty layer, damp, oil stain and dust, etc.
                                              Always keep torch nozzle clean and TIP in good condition.
                                              Use the wire under the best possible conditions.

                                                 An example of chemical Composition of Weld Wire(wt%): (Shielding gas:75%Ar+25%CO2)
                                              C Mn Si P S
                                              0.080 1.02 0.57 0.011 0.007

                                                 An example of mechanical Properties of Weld Pass:(Shielding gas: 75%Ar+25%CO2)
                                              Yield Strength
                                              MPa
                                              Tensile Strength
                                              MPa
                                              Elongation
                                              %
                                              Impact Value
                                              -29¡æ J
                                              456 548 29 95

                                                 Welding Parameter Suggestions: (DC+)
                                              Wire Diameter£¨mm£© 0.8 0.9 1.0 1.2 1.6
                                              Current Range
                                              £¨Amp£©

                                              Flat position welding

                                              50-180 50-200 80-250 100-350 250-500
                                              Overhead position welding 50-100 50-100 70-120 80-150 -

                                              Vertical up welding

                                              50-100 50-140 50-160 80-180 -
                                              Vertical down welding 50-100 50-200 80-220 80-240 -

                                                 Package Size:
                                              Wire Diameter£¨mm£© 0.6£¬0.8£¬0.9£¬1.0£¬1.2£¬1.6£¬2.0
                                              Weight£¨kg£© spool packing£¨5£¬10£¬15£¬20£©£¬drum packing£¨250¡¢350¡¢400£©
                                               Remark Above coule be made according to customer's requirement
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