The processing method of stainless steel tube

The processing method of stainless steel tube

  • CN 107,881,326 A
  • Filed: 12/10/2017
  • Published: 04/06/2018
  • Est. Priority Date: 12/10/2017
  • Status: Active Application
First Claim
Patent Images

1. A kind of 1. processing method of stainless steel tube, it is characterised in that:

  • Comprise the following steps:

    Molten steel is refined:

    a;

    Sintering:

    Choose embryo material sintering and reducing and obtain embryo material A;

    b:

    Melting:

    Embryo material A, molten steel, rare earth element are thrownEnter to smelting furnace, raw material is obtained after melting;

    Nitrogen is passed through in smelting process into smelting furnace;

    Shaping:

    Raw material is subjected to continuous casting steel machine, circular pipe is made, and pipe is cut into the blank of 4-6m length, to blankAfter carrying out acid wash passivation, blank is heated and softened and perforated, obtains hollow circular Stainless pipe billet;

    Aligning:

    Circular Stainless pipe billet is reheated after drying machine drying, and Stainless pipe billet is carried out by straightener afterwardsAligning, obtains stainless steel tube finished product.

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