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api 620 tank construction sequence stiffener ring and backing strip

api 620 tank construction sequence stiffener ring and backing strip

api 620 tank construction sequence stiffener ring and backing strip

The metal structure of 1Cr5Mo is martensite. 1Cr5Mo steel still has good oxidation resistance at high temperature of 650℃ and good thermal strength at high temperature of 600℃. The excellent characteristics of 1Cr5Mo material include shock absorption and thermal conductivity. api 620 tank construction sequence, 1Cr5Mo steel is widely used in steam turbines. However, this kind of steel plate has a great hardening tendency and poor welding performance.

In cylindrical tank walls, the longitudinal weld joints in adjacent shell courses, including compression ring welds, shall be offset from each other a minimum distance of 12 in. The butt-weld around the periphery of a thickened insert plate, or the fillet weld around the periphery of a reinforcing plate, shall be at least the greater of 10 times the shell thickness or 12 in. from any butt-welded seam or the bottom-to-shell or roof-to-shell joint. As an alternative, the insert plate (or the api 620 tank construction sequence reinforcing plate in an assembly that does not require stress relief) may extend to and intersect a flat-bottom-to-shell corner joint at approximately 90 degrees.

API 650 storage tank, double-layer oil tank environmental protection advantages: ordinary single-layer steel api 620 tank construction sequence oil tank is corroded by underground water and gas and electrolytic corrosion because it is buried underground all year round. The API 650 tank has a double-layer structure with a gap of 0.1 mm. The api 620 tank construction sequence outer layer of FRP ensures that the leakage will not directly leak into the soil and water source.

We have replenish steel materials stocks, now there are huge stocks of S355JR, A36, api 620 tank construction sequence A572 Gr 50, 16Mo3, A516 Gr 70, ABS grade A, AH32, AH36, EH36, SPA-H, SG295, SM700C etc steel materials. We can arrange delivery for those stock steel products within short time. Meanwhile, we also provide further processing for the api 620 tank construction sequence steel materials, such as cutting, drilling, bending, welding, etc. Please do not hesitate to contact us if you have any steel demands.

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