The conditions for the preparation of Oxygen storage tank for welding specimens

The welding of Oxygen storage tank is important, do you know the conditions for its preparation?

(1) Carbon steel, low alloy steel low temperature pressure vessel;

(2) Material standard tensile strength lower limit value greater than or equal to 540MPa low alloy steel pressure vessel;

(3) Steel pressure vessels to be subjected to heat treatment to improve or restore the mechanical properties of materials;

(4) Design drawings indicate the possession of toxic or extreme damage to the media pressure vessel;

(5) Design pattern reference standard Requirement Preparation of pressure vessel for welding specimen.

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