Daim ntawv thov Scope ntawm SA662 Qib yog dab tsi?

SA662 Qib yog ib hom qis- alloy carbon steel phaj uas tau teev tseg thiab tsim qauv los ntawm American Society for Testing and Materials (ASTM) raws li tus qauv ASTM A662/A662M. Nws yog tsuas yog tsim thiab siv rau kev tsim cov hlab ntsha siab, boilers, thiab ntau yam khoom siv uas yuav tsum tau nqa qee yam loads thiab siab. Cov ntaub ntawv no tau zoo-paub txog nws txoj kev ua tau zoo heev, suav nrog kev ua haujlwm zoo uas ua rau nws tiv taus qhov cuam tshuam, weldability zoo dua uas tso cai rau kev sib txuas yooj yim nrog lwm cov khoom siv los ntawm cov txheej txheem vuam, thiab txhim khu kev ntseeg siab -kub tsis kam. Cov cuab yeej zoo no ua rau nws tsim nyog rau kev pabcuam hauv qhov nruab nrab siab thiab kub ua haujlwm ib puag ncig, xws li cov roj av refining, chemical processing, thiab fais fab kev lag luam uas ruaj khov kev ua haujlwm nyob rau hauv tsis muaj - mob heev yuav tsum tau.

SA662 Qib Byogib hom Carbon Mn steel daim hlau cov khoom siv los npuag nruab nrab lossis qis kub siab txog ntsha.

SA662 Qib B ua cov yam ntxwv

Vuam yam ntxwv: Nws nthuav tawm qhov zoo tshaj plaws weldability tau sib xws nrog cov txheej txheem vuam xws li shielded hlau arc vuam (SMAW), roj hlau arc vuam (GMAW), thiab submerged arc vuam (SAW). Rau cov phaj nrog cov tuab tuab (tsawg dua los yog sib npaug li 20mm), tsis tas yuav tsum muaj preheating nyob rau hauv ib txwm rhiav. Rau cov phaj tuab, qis - kub preheating (100-150 degree) yog pom zoo kom tiv thaiv cov kab nrib pleb. Tom qab-weld heat treatment tsis yog yuav tsum tau nyob rau hauv feem ntau daim ntawv thov, uas ua rau cov txheej txheem vuam yooj yim, txo cov nqi tsim khoom, thiab ua kom cov vuam sib koom ua ke tuav tib lub zog thiab lub zog zoo li lub hauv paus hlau.

Tsim Cov yam ntxwv: Cov khoom siv yog tsim rau ob qho tib si txias thiab kub ua haujlwm. Thaum lub sij hawm txias forming (xws li, khoov, dov, nias txoj kev), nws tuav zoo ductility thiab tsis yooj yim tawg los yog tsim ntau deformation hardening. Kub txoj kev tuaj yeem ua tau ntawm 900-1100 degree, qhov twg cov ntaub ntawv qhia tau zoo heev yas deformation muaj peev xwm, tso cai yooj yim shaping rau hauv complex qauv xws li siab hlab ntsha shells thiab cia tank lub cev. Tom qab tsim thiab txias, nws cov khoom siv kho tshuab tseem nyob ruaj khov yam tsis muaj kev puas tsuaj loj.

Machining thiab txiav yam ntxwv: Nws yoog tau zoo rau cov txheej txheem machining xws li tig, milling, drilling, thiab sib tsoo. Cov khoom muaj nruab nrab hardness thiab txiav tsis kam, ua rau me me rau cov cuab yeej thiab kom ntseeg tau siab machining raug thiab nto tiav ntawm cov khoom. Rau blanking, nplaim taws, txiav plasma, thiab shearing yog txhua yam siv tau. Cov npoo txiav yog du, tsis muaj cov burrs loj lossis cov txheej tawv tawv, thiab tuaj yeem nkag mus rau cov txheej txheem tom ntej nrog tsuas yog kev kho yooj yim deburring.

Daim ntawv thov SA662 Qib B

SA662 Qib B, raws li qhov qis- alloy siab- lub zog steel nrog zoo heev qis- kub toughness thiab weldability, yog dav siv nyob rau hauv ntau yam kev lag luam teb yuav tsum tau txias- tiv taus kev ua tau zoo. Nws cov ntawv thov tseem ceeb yog raws li hauv qab no:

Tsawg-kub siab cov hlab ntsha: Nws yog cov khoom siv zoo tshaj plaws rau kev tsim cov hlab ntsha ua haujlwm hauv subzero ib puag ncig, xws li cov khoom siv hauv cryogenic gas sib cais, liquefied natural gas (LNG) ua thiab cia. Cov hlau zoo tshaj plaws ntawm qhov kub thiab txias tau zoo tiv thaiv kev tawg ntawm kev kub ntxhov thiab qis - qhov kub thiab txias, ua kom muaj kev nyab xeeb thiab ruaj khov ntawm cov khoom siv hauv kev lag luam petrochemical thiab natural gas.

Txias- thaj chaw cia tank: Siv los tsim cov tso tsheb hlau luam rau qis -kub tawm xws li cov pa oxygen, kua nitrogen, thiab cov tub yees. Cov tso tsheb hlau luam no feem ntau ua haujlwm hauv qhov chaw txias txias (xws li, siab- qhov siab lossis thaj tsam polar). SA662 Qib B qhov kev tsim tau zoo thiab kev ua haujlwm tau yooj yim tso cai rau kev yooj yim rau hauv loj - ntim tso tsheb hlau luam, thaum nws tiv thaiv txias tau lav ntev - lub sij hawm cia kev nyab xeeb yam tsis muaj khoom degradation.

Tsawg- qhov kub thiab txias cov khoom siv: Siv rau hauv cov txheej txheem ntawm cov khoom siv uas tiv taus qhov kub thiab txias, xws li kev txhawb nqa, kev sib txuas, thiab cov khoom sib txuas hauv lub zog tsim hluav taws xob (tshwj xeeb tshaj yog thermal fais fab thiab cov cuab yeej siv hluav taws xob nuclear) thiab cov khoom siv ua haujlwm cryogenic. Nws lub zog muaj zog thiab ruaj khov cov cuab yeej cuab tam hla cov tuab ua kom muaj kev ncaj ncees thiab thauj khoom -cov kabmob muaj peev xwm hauv kev ua haujlwm txias.

Hu rau tam sim no

Yog tias koj muaj qhov yuav tsum tau ua rau SA662 Qib B, peb zoo siab tos txais koj qhov kev nug. GNEE tuav cov khoom lag luam loj uas feem ntau siv cov qib siab zog steel rau koj xaiv.Rau cov ncauj lus kom ntxaws txhua yam khoom, tshuaj lom neeg muaj pes tsawg leeg, thiab cov ntaub ntawv kev, nrog rau cov qauv dawb, thov hu rau peb lub Hoobkas tam sim ntawd. Peb muab cov nqi sib tw, ruaj khov zoo, thiab kev pabcuam tshaj lij. Email: beam@gneesteelgroup.com.

SA662 Qib puas tuaj yeem siv rau hauv qhov chaw qis - qhov kub thiab txias?

Yog lawm, nws muaj qhov zoo qis -kub toughness. Rau qis- kev pabcuam kub (qis dua 0 degree), nws raug nquahu kom ua qhov kev ntsuam xyuas cuam tshuam kom ntseeg tau tias nws ua tau raws li qhov yuav tsum tau ua kom nruj ntawm cov haujlwm tshwj xeeb.

Dab tsi yog qhov txawv ntawm SA662 Qib thiab SA516 Qib?

SA662 Qib muaj cov ntsiab lus alloy siab dua thiab zoo dua toughness dua SA516 Qib. SA516 yog cov pa roj carbon steel rau cov hlab ntsha siab, thaum SA662 yog tsawg- alloy steel, haum rau ntau qhov chaw ua haujlwm xav tau.

Dab tsi yog qhov ntev ntev ntawm SA662 Qib daim hlau?

Dimensional tolerances ua raws li ASTM A662 / A662M cov qauv, suav nrog thickness kam rau ua ± 0.5 hli rau daim hlau Tsawg dua los yog sib npaug li 10 hli tuab, thiab dav / ntev kam rau ua ± 1 hli, kom ntseeg tau meej haum hauv kev sib dhos.

Puas yog SA662 Qib corrosion-resistant?

Nws muaj qhov yooj yim corrosion kuj nyob rau hauv atmospheric thiab me me corrosive ib puag ncig. Rau hnyav corrosive tej yam kev mob (xws li, tshuaj lom neeg media), ntxiv los tiv thaiv- kev kho corrosion xws li pleev xim los yog galvanizing yuav tsum tau.

Dab tsi cuam tshuam rau kev xeem SA662 Qib muaj?

Nws yuav tsum tau Charpy V-kev ntsuas qhov cuam tshuam ntawm qhov ntsuas kub (feem ntau yog 0℃lossis -20℃). Qhov tsawg kawg nkaus cuam tshuam lub zog yog 27 J, kom ntseeg tau tias nws tuaj yeem tiv taus qhov cuam tshuam hauv kev pabcuam.

Qib SA662 puas tuaj yeem ua tau txias-?

Yog lawm, nws muaj qhov txias txias - ua haujlwm zoo. Nws tuaj yeem khoov, stamped thiab lwm yam txias - tsim cov txheej txheem hauv qhov tsim nyog, tab sis kev deformation ntau dhau yuav tsum zam kom tsis txhob tawg.

Dab tsi yog qhov ceev ntawm SA662 Qib?

Qhov ceev ntawm SA662 Qib yog kwv yees li 7.85 g / cm³, tib yam li cov pa roj carbon zoo tib yam. Tus nqi ntom ntom no yog siv rau kev xam qhov hnyav hauv kev tsim thiab kev thauj mus los.

Dab tsi yog qhov melting point ntau ntawm SA662 Qib?

Nws cov ntsiab lus melting yog 1450-1500 degree, zoo ib yam li cov hlau tsis tshua muaj hlau. Qhov ntau yam no yog qhov tseem ceeb rau kev siv vuam parameter thiab kev kho cua sov txheej txheem tswj.

Dab tsi yog qhov thermal conductivity ntawm SA662 Qib?

Lub thermal conductivity yog li 45 W / (m·K) ntawm chav tsev kub. Cov cuab yeej no yog qhov tseem ceeb rau kev hloov pauv hluav taws xob hauv boiler, kub exchanger thiab lwm yam khoom tsim.

Dab tsi yog qhov coefficient ntawm thermal expansion ntawm SA662 Qib?

Lub linear thermal expansion coefficient yog kwv yees li 11.5 × 10⁻⁶ /℃(20-100 degree). Nws yog siv los xam cov thermal deformation nyob rau hauv high-temperature kev pab cuam ib puag ncig kom tsis txhob muaj kev puas tsuaj ntawm cov qauv.