Comparison chart of S690QL1 1.8988 high strength steel sheet structural

Uplift on Foundation
For API Standard 620 tanks with an internal design pressure less than 1 lbf/in.2 gauge, the uplift shall be taken as the smaller of the maximum uplift values computed under the following conditions:
a)The internal design pressure times 1.5 plus the design wind load on the shell and roof.
b)The internal design pressure plus 0.25 lbf/in.2 gauge plus the design wind load on the shell and roof.

Our company will accept the product quality objection registration record, pass it to the S690QL1 1.8988 high strength steel sheet production unit and relevant departments, and timely coordinate the supervision of product S690QL1 1.8988 high strength steel sheet quality objection. Our company coordinates the relevant department personnel to the customer unit to carry on the investigation, the processing.

S690QL1 1.8988 high strength steel sheet Nondestructive testing is a technical means to detect the weld defects of large vertical tank and judge whether the weld is qualified by using the characteristics of sound, light, magnetism and electricity without damaging the tested object. Common nondestructive testing methods: ultrasonic testing (UT), magnetic particle testing (MT), liquid penetrant testing (PT) and X-ray testing (RT).

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