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api 620 low-pressure storage tank standard 2014 double-welded butt joint

api 620 low-pressure storage tank standard 2014 double-welded butt joint

api 620 low-pressure storage tank standard 2014 double-welded butt joint

The api 620 low-pressure storage tank standard 2014 must go through strict inspection before putting into use. Inspection of plate groove of api 620 low-pressure storage tank standard 2014, vertical oil tank: After finishing the groove processing of oil tank plate, it is necessary to conduct dye penetrant inspection on the groove. This process is mainly aimed at the hard damage of groove in the machining process and the defects of the plate itself. If any defect is found, it shall be processed again until the defect disappears.

In line with the service concept of "honesty first, customer first" and the service tenet of "all for customer satisfaction", the company adopts the acceptance and response mode of combining manual and automatic, and accepts the diversified service demands of customer business consultation, complaint declaration, business acceptance, etc. through telephone, fax, e-mail, visit, letter, etc.

We guarantee to provide all technical data required by users within one hour to provide reasonable quotation; to provide api 620 low-pressure storage tank standard 2014 reasonable quotation for products consulted by users within one hour; to provide investigation reception: we guarantee to receive the investigation of users at any time and provide various convenient conditions for users.

Charpy V-notch specimens shall be taken from the weld metal and from the heat-affected zone of the welding procedure qualification test plates or from duplicate test plates.
Weld metal impact specimens shall be taken across the weld with the notch in the API 620 oil tank material weld metal. The specimen shall be oriented so that the notch is normal to the surface of the material. One face of the specimen shall be substantially parallel to and within 1/16 in. of the surface.

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