Qhov siab tshaj plaws kev khiav hauj lwm siab uas cov yeeb nkab seamed feem ntau tuaj yeem tiv taus yog nyob rau hauv 20 kg / cm², uas yog suav tias yog qhov kev nyab xeeb tshaj plaws rau kev siv. Cov kav dej seamed feem ntau yog siv rau cov dej uas tsis tshua muaj siab xws li dej, roj, thiab cua compressed. Nyob rau hauv sib piv, seamless kav yuav tiv taus ultra-siab siab, thiab lawv cov phab ntsa thickness nce raws li, nyob ntawm seb lub siab yuav tsum tau. Seamless kav feem ntau yog siv rau high-temperature thiab high-pressure khoom xws li high-pressure roj kav thiab boiler kav. Kuj tseem muaj seamless yeeb nkab fittings tsim rau cov qauv tsim, uas nyob ntawm seb qhov kev tsim tshwj xeeb.
Seamed steel yeeb nkab fittings thiab seamless steel yeeb nkab fittings yog cais raws li lawv cov ntaub ntawv ua. Seamed steel yeeb nkab fittings feem ntau yog welded, thaum seamless steel yeeb nkab fittings yog tsim los ntawm txias txias thiab kub dov.
Stainless hlau seamless yeeb nkab fittings yog ntev strips ntawm steel nrog ib tug hollow cross-section thiab tsis muaj seams. Qhov tuab ntawm phab ntsa ntawm cov khoom, qhov kev lag luam ntau dua thiab siv tau. Hloov pauv, cov phab ntsa nyias nyias ua rau cov nqi ua haujlwm ntau dua. Cov txheej txheem siv hauv kev tsim cov khoom txwv nws txoj kev ua haujlwm. Feem ntau, seamless steel yeeb nkab fittings muaj qhov qis dua, nrog cov phab ntsa tsis sib luag, txo qhov ci ntsa iab ntawm sab hauv thiab sab nrauv, cov nqi siab dua rau qhov ntev, thiab cov teeb meem hauv kev tshem tawm pitting thiab dub me ntsis. Kev tshawb nrhiav thiab kev tsim cov kav dej no yuav tsum ua tiav offline. Txawm li cas los xij, cov kav dej seamless zoo tshaj plaws hauv kev siv uas xav tau kev kub siab, siab zog, thiab cov khoom siv kho tshuab.
Muaj qhov sib txawv ntawm cov tshuaj muaj pes tsawg leeg ntawm stainless hlau seam kav thiab stainless hlau seamless kav. Cov hlau muaj pes tsawg leeg rau cov kav dej seamless ua tau raws li cov cai ntawm ASTM cov qauv. Nyob rau hauv sib piv, cov hlau siv rau seam kav muaj cov tshuaj tailored rau vuam, xws li silicon, sulfur, manganese, thiab tswj cov nqi ntawm ferrite. Cov ntsiab lus no pab tsim cov vuam yaj uas hloov cov cua sov kom zoo thaum lub sij hawm vuam, ua kom tiav thiab muaj zog weld. Cov kav hlau tsis muaj cov tshuaj tshwj xeeb no, xws li cov kav dej seamless, yuav ntsib ntau yam tsis ruaj khov thaum lub sij hawm vuam, ua rau nws nyuaj rau ua tiav qhov ruaj khov thiab ua tiav vuam.
