Four industry standards of our company will come into effect on 1st september this year

    The ministry of industry and information technology announced (No.23,2013),approved a number of industry standards, this batch of industry standards will take effect in September 1st,including four industry standards of our company.
    Drafting four industry standards including: austenitic stainless steel big diameter seamless steel tube (standard number: YB/T 4330-2013), fluid transmission with large diameter alloy steel seamless steel tube (standard number: YB/T 4331-2013), fluid delivery with big diameter carbon structural steel, seamless steel tube (standard number: YB/T 4332-2013), the static casting hollow tube billet (standard number: YB/T 4322-2013).
| Updated:2013.06.07    Source:    Clicks:6990