• ASTM/A516Gr485(Z25)

Certificates

 

WKZ058-2005         ASTM  A516Gr485(Z25)

1.Ingot, billet all accordingto Ⅱgroup steel heating, adopt the Ⅱtype controlled rolling, finishing rolling temperature ≤870 ℃.

2.normalized temperature: 910±10℃.  

  the heat preservation time of  outside machine furnace and car bottom furnace:

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