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Recent content by seahawks

  1. seahawks

    Excavaror mounted hydraulic hammer gat material?

    Is this 4140, 30 or ? Is there a web address that you know of that I can look it up myself? Thank you for the information.
  2. seahawks

    Weldability of this type of steel

    thanks metengr, I was thinking that both parts should be annealed before welding and machining. I have to pollish the part prior to heat treating and tempering. Could you tell me the series of alloy steel this is? I have been searching, but cant find a real answer. If you know of a web address...
  3. seahawks

    Weldability of this type of steel

    1.What is the weldability of the material? I am not sure of what it is, but I have its properties. C-0.25-0.3%, Mn-1.2-1.3%, Si-0.5-0.6%, Cr-1.2-1.5%, Mo-0.3%. oil quenched and tempered to 38-40RC hardness. I have to weld a 3"x6"x6" plate of 4140 to a 3" round x24"of the parent material in...
  4. seahawks

    Excavaror mounted hydraulic hammer gat material?

    I am looking for information on the grade of steel of the Hydraulic hammer "gat" or "bit" that is used to chrush rocks or break up concrete slabs. I am trying to turn a custom adaptor to weld to the end of the bit to hammer plate piles into medium hard sand stone. Any information on the...

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