API Std 650 mechanically-anchored flat-bottom tanks design thickness

Temporary Openings after Hydrostatic Test
When approved by the Purchaser in writing, and only in the case of tanks which when complete have no shell penetrations, it is permitted to restore by welding up to four temporary shell openings after the hydrostatic test in accordance with the provisions of this section. Each temporary opening shall be restored by the insertion of a shell plate that matches the thickness and specification of adjacent shell material, and is welded into place with full fusion butt-welds. The API Std 650 mechanically-anchored flat-bottom tanks insert plate shall be round with diameter no less than 24 in. and no greater than 42 in.For areas with high groundwater levels, the operator should take anchoring and anti-floating measures for buried horizontal API Std 650 mechanically-anchored flat-bottom tanks oil tanks; API 650 oil tanks can be used for heavy fuel oil, heaters are separately designed, and buried tank material outlets are installed with bottom valves and connections. consider.In 2015, we offered 230 tons 309S and 310S stainless steel API Std 650 mechanically-anchored flat-bottom tanks plate to Vietnam fabrication company. The products are used in fabricating machine for this company. Then the customer sell the machine to south America and European market. This Vietnam company purchase more than 100 ton stainless steel from us every month.Welding inspection of bottom plate of API Std 650 mechanically-anchored flat-bottom tanks, vertical oil tank: During the fabrication and installation of API Std 650 mechanically-anchored flat-bottom tanks, the bottom edge plate is welded first. According to the requirements of the technical standard, penetrant inspection is required for the weld of edge plate at the bottom of API Std 650 mechanically-anchored flat-bottom tanks, that is, penetrant testing is required for each weld bead priming, filling and capping. In the process of testing, if any defect is found, it shall be repaired immediately. After the repair, the surface coloring penetrant test shall be conducted again until the test result is qualified.The after-sales service personnel understand the user's ideas and needs in detail, and stand on the other side's position and interests. Actively communicate with users and help them solve practical problems. This not only solves the service problem, but also improves the customer's trust in the company.