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internal pressure of 4 lbf/in.2 gauge qualifications of examiners

internal pressure of 4 lbf/in.2 gauge qualifications of examiners

internal pressure of 4 lbf/in.2 gauge qualifications of examiners

The company adheres to the people-oriented concept and takes "learning, sharing, gratitude, integrity, respect and responsibility" as the enterprise values. Advanced equipment, scientific standardized management, strict quality assurance system and high-quality team are the core competitiveness of the company. The company will continue to provide customers with internal pressure of 4 lbf/in.2 gauge high-quality, timely and perfect steel products and services under the guidance of the mission of "striving for perfection to meet customer needs".

Under the action of the earthquake, API 650 storage tank is mainly damaged by the phenomenon of the lower part of the internal pressure of 4 lbf/in.2 gauge tank wall. Therefore, the key point of seismic calculation is to prevent the tank wall from buckling under axial pressure.

The insert plate weld shall not cross any shell seams and shall be at least the greater of 10 times the shell thickness or 12 in. from any other weld in the internal pressure of 4 lbf/in.2 gauge shell including shell seams, shell-to-bottom weld or attachment welds. The butt weld around the periphery of the plate shall be examined over 100% of its length by both liquid penetrant method and radiographic method. The liquid penetrant examination is required on the root pass, on the back-gouged surface, and on the inside and outside finished weld surfaces. Additionally, the weld shall be vacuum box leak tested.

Keep close relationship with all manufacturers and users, cooperate sincerely, share weal and woe together. We are deeply tolerant of travelling with you! We value and value each other's career and friendship. No matter when and where, all our staff will spare no effort to put into the work, and do their best to provide internal pressure of 4 lbf/in.2 gauge satisfactory services for all friends, so as to achieve win-win and multi win for each other.

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