Page 132 - Welder - TT - Marathi
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Example 1

                                  The classification for the electrode EB 5426H1JX

                                                     E     B     5      4     2     6    H      J     X
                                                                                           1



       Covered electrode
       Type of covering (Basic)
       Strength characteristics (UTS = 510–610 N/mm  and
                                                 2
              YS = 360 N/mm  min.)
                            2
       Elongation and impact properties (Elongation = 20% min. and
              IMPACT = 27 J min. at – 30°C)
       Welding position (all positions except vertical down)
       Welding current and voltage condition (D + and A 70)
       Hydrogen controlled electrodes (15 ml max.)

       Increased metal recovery (110 – 129%)
       Radiographic quality electrode




       Example 2

                                     The classification for the electrode ER 4211

                                                     E     R      4       2     1      1





       Covered electrode
       Type of covering (Rutile)

       Strength characteristics (UTS = 410 – 510 N/mm 2
       and YS = 330 N/mm  min.)
                         2
       Elongation and impact properties (Elongation = 22% min. and
       impact = 47 J min. at 0°C)
       Welding position (all positions)
       Welding current and voltage conditions (D ± and A 50)

























       110                C G & M : वेल्डर (NSQF -उजळिी 2022) एक्सरसाईस साठी  संबंधित धिअरी  1.3.48
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