Nyob rau hauv lub teb ntawm roj tho thiab roj zoo li hluav taws xob tiv thaiv weld yog qhov muaj txiaj ntsig zoo, thiab tus nqi qis siv tau dav hauv cov txiaj ntsig txawv tebchaws, thiab ua tiav cov txiaj ntsig zoo.
Cov yam ntxwv ntawm ERW casing (piv nrog seamless casing)
High Downension Qhov tseeb: ERW kev siv cov txheej txheem tshuab ua tom qab cov txheej txheem loj (sab nraud ntawm txoj kab uas tsis dhau ± 0 nruab nrab .5%. Xws li tsim los ntawm Nippon Steel 624.5 N'un Erw Casing Thickness Qauv Txawv Ntawm <0.10 Mill sib raug zoo sib txawv cov qauv kev sib txawv yog 0.41 zeb.
Zoo Weld nyuaj: Erw Casing Manufacturation tuaj yeem tau txais C, S thiab P yeej muaj zog ntawm Weld, Held Kev muag khoom ntawm Weld, Weld Kev muag khoom ntawm Weld, Weld Kev muag khoom ntawm Weld, Weld Kev muag khoom ntawm Weld, Weld Kev muag khoom ntawm Weld, Weld Kev muag khoom ntawm Weld, Weld Kev muag khoom ntawm Weld, Weld Kev muag khoom ntawm Weld, kev siv Weld nyuaj zaum ntawm lub tes tsho.
Anti-extrusion cov khoom antiknock: muaj lub zog siab 30% rau 40% piv nrog cov tshuaj uas zoo sib xws
Cov thev naus laus zis, cov khoom lag luam zoo tswj: Erw Tes Tsho Tswj Pa Steel Rolled Chev, Isotropic, 100% tsis yog kev ua phem rau kev sim siab.
Tus nqi qis: piv nrog seamless zoo sib xws seing, erw casing li 5% rau 10% tus nqi qis, siab degree, kev siv tsheb ntau thiab kev tsim khoom; ERW casing cov khoom lag luam tiav qib 93% rau 98%, thiab seamless cas quav nqi ua tiav cov khoom lag luam ntawm 85% mus rau 90%; ERW casing tag nrho cov peev peev tag nrho yog 40% qis dua li cov khoom siv uas muaj dab tsi.
Cov yam ntxwv technical ntawm ERW Casing
(1) Xaiv cov ntaub ntawv raw los tswj cov kauj, cov kev tswj nruj me ntsis, feem ntau yog cov roj carbonts ...., cov pa roj carbonts o≤ • 25%. Thiab kev siv cov khoom siv micro-alloying xws li NB, V, ti, thiab CU txhim kho weldability thiab corrosion tsis kam.
(2) tuab tuab tom qab ntug Milling kev kho mob, tuaj yeem txo cov vuam vuam burrs los ntawm kev kub ntxhov hauv zos overheating thiab oxidation.
(3) Siv dav siv kauv rau kev tsim khoom txuas ntxiv, muaj tsis muaj qhov muag vuam, vuam tam sim no, voltage intability vim cov khoom zoo tsis xws luag.
(4) feem ntau siv nyob rau hauv xeev-ntawm-art hydraulic tshem tawm hydraulic tshem tawm cov txheej txheem burrs, casing sab hauv burner qhov siab tswj 1.14 nlnl.
(5) nruj nruj vuam qhov tsis muaj, suav nrog lub zog tawm tswv yim, va vmas v-puab lub kaum ntse ntse, vuam ceev, tswj qhov ntsuas kub. Kev kub siab los ntawm qhov kub thiab txias los ntawm kev siv hluav taws xob ntau zaus ntawm lub voj voos kaw cia, tswj kev hloov pauv ntawm tsawg dua ± 5 ℃.
(6) Kev Kho Mob Tom Qab Weld Kev Kho Mob Tom Qab Weld txhawm rau txhim kho lub koom haum thiab kev ntxhov siab sab hauv ntawm Weld cheeb tsam.
(7) ua kom muaj lub zog siab thiab cov khoom siv sizing, txo cov lej loj ua tiav.
(8) Rau weld thiab steel yog tag nrho-kab lossis tawm-kab tsis yog kev sim ua kom raws li cov txheej txheem ntau lawm los xyuas kom cov khoom lag luam zoo.
Lub Sijhawm Post: Jul-20-2023