• P275NL1

Certificates

 

WKZ041-2005        P275NL1

  1. Ingot, billet all accordingto Ⅰgroup steel heating, adopt the Ⅱtype controlled rolling, finishing rolling temperature ≤880 ℃.
  2. normalized temperature: 910±10℃.   Normalizing furnace’s total heating time >1.5min/mm,the heat preservation time of other furnaces: 1.6min/mm
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