High manganese steel surfacing electrode D256 AWS: EFeMn-A

Short Description:

For cladding all kinds of crushers, high manganese rails, bulldozers and other parts which are vulnerable to impact and die damage.


  • Min.Order Quantity: 1 ton
  • Supply Ability: 2000 tons per Month
  • Free Sample: Available
  • Custom packaging: Welcome
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  • Product Detail

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    High manganese steel surfacing electrode D256 AWS: EFeMn-A

     

    APPLICATIONS:

    It is suitable for surfacing welding of various crusher, high manganese rail, bucket, bulldozer, etc.

     

    CHARACTERISTICS:

    THD256 is the surfacing electrode of high manganese steel with low hydrogen potassium coating.Can be both ac and dc (ac welding, no-load voltage is not lower than 70V), surfacing welding should use small current, narrow welding, while the red heat immediately hammer or water quenching, in order to reduce the crack tendency.The surfacing metal is austenitic high manganese steel, which has the characteristics of working hardening, toughness and wear resistance.

     

    ATTENTION:

    1. Before welding, the electrode shall be baked at 300-350℃ for 1 hour before use.

    2. For surfacing welding of worn parts of high manganese steel, the fatigue layer shall be removed or treated with water toughness or soldered with chromium manganese steel electrode (such as D277).

    3. Due to the large yellow smoke during surfacing welding, attention should be paid to strengthen ventilation and operate in the windswept position.

     

    WELDING POSITIONS:   PA, PB, PC, PD, PE, PF

     

    DEPOSIT COMPOSITION (QUALITY SCORE):  %

     

    Items C Mn Si Others
    Requirements 1.10 11.00-16.00 1.30 5.00

     

     

    TYPICAL OPERATING PROCEDURES: (AC,DC)

    Diameter (mm) 3.2 4.0 5.0
    Current (A) 70-90 100-140 150-180

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