Kev siv cov khoom siv twg zoo tshaj plaws rau cov ntawv hlau stainless thiab phaj?

• Feem ntau, daim ntawv yog xaiv rau kev tsim, khoov, thiab cov khoom zoo nkauj; daim ntawv yog xaiv rau lub zog, kev nruj, thiab kev siv thauj khoom.
• Kev xaiv qib yuav tsum ua raws li qhov chaw ib puag ncig ua ntej: 304 rau kev pabcuam dav dav, 316 rau kev raug xeb hnyav dua, thiab 430 rau cov ntawv thov uas muaj kev pheej hmoo xeb nruab nrab.
• Qhov tiav ntawm qhov chaw, qhov tuab kam rau siab, thiab qhov nyuaj ntawm qhov chaw ncaj qha cuam tshuam rau qhov weldability, formability, tsos, thiab qhov kawg sib xws.
• Kev yuav khoom raws li cov lus qhia tshwj xeeb yuav txo tau cov khoom pov tseg, kev ua haujlwm dua tshiab, thiab kev puas tsuaj los ntawm xeb zoo dua li kev xaiv los ntawm tus nqi xwb.

Rau cov neeg yuav khoom sib pivstainless hlau ntawv thiab phaj, lo lus nug tseem ceeb tshaj plaws tsis yog "cov hlau twg pheej yig dua?" tab sis "cov khoom siv twg yuav muaj sia nyob hauv qhov chaw tiag tiag nrog tus nqi qis tshaj plaws." Hauv kev pabcuam corrosive, kev tiv thaiv pitting feem ntau tsav kev xaiv qib, thiab cov tshuaj lom neeg ntawm cov hlau tseem ceeb: 304 muaj li ntawm 18% chromium thiab 8% nickel, thaum 316 ntxiv molybdenum rau kev tiv thaiv chloride zoo dua raws li cov ntaub ntawv ASTM / kev lag luam. Rau kev tswj qhov tiaj tus thiab tuab, ISO 9445 npog cov hlau stainless hlau txias-kuav nrog cov tuab ntawm 0.10 hli txog 3.00 hli, thaum cov khoom phaj hnyav dua feem ntau raug xaiv thaum cov qauv tawv ua qhov tseem ceeb. Yog tias koj xav tau cov ntaub ntawv dav dav, saibstainless hlau kauj, tusstainless hlau strip, thiab covdaim ntawv hlau tsis xebnplooj ntawv rau kev xaiv hom ntawv tshwj xeeb.

Cov ntawv hlau stainless hlau thiab phaj twg zoo tshaj plaws siv rau hauv kev tsim khoom

Cov ntawv hlau tsis xeb thiab phaj yog qhov zoo tshaj plaws siv rau hauv kev tsim khoom thaum qhov khoom yuav tsum tiv taus xeb, tswj qhov chaw huv si, lossis xa cov kev ua haujlwm ruaj khov los ntawm kev rov ua dua thermal thiab mechanical cycles.

Yog vim li ntawd lawv thiaj tshwm sim ntau zaus hauv cov kab khoom noj, cov thoob dej, cov chaw kaw, cov khoom siv thauj khoom, thiab cov khoom sib dhos ua lag luam. Daim ntawv yooj yim dua rau kev txiav, nres, luam tawm, thiab vuam rau hauv cov khoom uas tau tsim, thaum daim ntawv zoo dua thaum tus qauv tsim xav tau qhov hnyav, kev ruaj khov, thiab lub peev xwm thauj khoom.

Los ntawm qhov pom ntawm kev muag khoom, lub sijhawmCov ntawv thov ntawm cov hlau tsis xebfeem ntau npog txhua yam los ntawm cov vaj huam sib luag hauv chav ua noj mus rau cov tsev siv tshuab, thaum cov ntawv thov phaj nyiam cov kev txhawb nqa siab, cov thav duab, cov npog, thiab cov khoom siv hnyav. Yog tias koj qhov khoom xav tau kev rov ua dua tom qab tsim khoom, nws feem ntau tseem ceeb dua los qhia meej txog qhov tiav, kev kam rau siab, thiab qhov nyuaj dua li kev cia siab rau daim ntawv lo "stainless hlau".

Daim ntawv vs phaj: qhov tuab hloov pauv kev siv khoom li cas

Qhov tuab yog thawj qhov kev faib ua feem ntawm daim ntawv thiab phaj vim nws hloov pauv ob qho tib si tus cwj pwm tsim khoom thiab kev ua tau zoo ntawm kev siv kawg.

Feem ntau cov ntawv yog siv rau cov khoom uas raug muab luam tawm, khoov, kos tob, thiab vuam vim nws muaj peev xwm ua tau zoo dua thiab qhov hnyav tsawg dua. Cov ntawv yog qhov zoo dua thaum tus qauv tsim yuav tsum tiv taus kev hloov pauv, faib cov khoom thauj, lossis tiv taus kev cuam tshuam thiab kev puas tsuaj. Hauv kev tsim khoom, qhov sib txawv ntawd feem ntau txiav txim siab seb ib feem puas tuaj yeem ua rau ntawm kab nias lossis xav tau kev txiav thiab kev ua haujlwm hnyav dua.

Hauv ntau lub Hoobkas, tib qib siv tau rau hauv daim ntawv thiab phaj, tab sis txoj kev ua tiav hloov pauv qhov tshwm sim. Daim ntawv dov txias feem ntau muab qhov zoo ntawm qhov chaw zoo dua thiab kev tswj hwm qhov ntev nruj dua, thaum daim ntawv dov kub feem ntau nyiam rau cov ntu tuab dua thiab kev ua haujlwm ntawm cov qauv.phaj hlau tsis xebyog li ntawd, hom ntawv yog qhov haum rau kev sib dhos qhov twg qhov ruaj khov yog qhov tseem ceeb dua li qhov zoo nkauj zoo nkauj.

Cov ntawv thov stainless hlau hauv cov khoom noj, kev kho mob, thiab kev tsim khoom huv

Kev ntxuav tau yog ib qho ntawm cov laj thawj tseem ceeb tshaj plaws uas cov chaw tsim khoom xaiv cov ntawv hlau tsis xeb thiab phaj.

Cov khoom siv ua zaub mov, cov kab ua mis nyuj, cov khoom siv ua npias, thiab cov khoom siv hauv chav ua noj ua lag luam txhua tus tau txais txiaj ntsig los ntawm cov nplaim stainless uas tiv taus kev ntxuav, kev tua kab mob chemistry, thiab kev hloov pauv thermal rov ua dua. Hauv cov chaw no, qhov chaw du yog qhov tseem ceeb vim tias cov tiav rougher tuaj yeem ntes cov khoom seem thiab ua rau lub sijhawm ntxuav ntev dua. Cov chaw kho mob thiab chaw kuaj mob siv cov ntawv stainless rau tib qho laj thawj: qhov chaw tsis muaj qhov dej yooj yim dua rau kev tua kab mob thiab tshuaj xyuas.

Rau cov ntawv thov kev huv, 304 feem ntau yog qhov kev xaiv tseem ceeb, thaum 316 zoo nkauj dua thaum muaj kev raug tshuaj chloride tas li, xws li hauv cov tshuaj ntxuav hnyav lossis cov chaw nyob ze dej hiav txwv. Raws li ASTM A240/A240M, cov ntawv stainless thiab phaj yog cov khoom tiaj tiaj uas tau teeb tsa rau kev siv siab thiab kev siv dav dav, uas ua rau lawv tau txais kev pom zoo dav hauv kev lag luam thiab cov txheej txheem kev qhia tshwj xeeb. Koj tuaj yeem tshuaj xyuas tus qauv ntawm no:ASTM A240/A240M.

Rau cov neeg yuav khoom uas tsim los ntawm kev xav tau kev tu cev, kev muaj cov ntawv sib xws uas ruaj khov feem ntau tseem ceeb npaum li cov tshuaj lom neeg. Yog tias koj cov khoom tsim tawm cuam tshuam nrog kev ua haujlwm vaj huam sib luag rov ua dua, xyuas sebstainless hlau kaujthiab lubstainless hlau stripnplooj ntawv vim tias kev hloov pauv coil-fed tuaj yeem txo qhov sib txawv ntawm kev khiav ntau lawm.

Kev siv vaj tse thiab khoom siv rau cov ntawv hlau tsis xeb

Cov tsos thiab kev tiv thaiv corrosion ua rau cov ntawv hlau stainless hlau yog cov khoom siv xaiv zoo rau cov khoom lag luam thiab cov qauv vaj tse pom tseeb.

Cov ntaub thaiv vaj tse, cov khoom siv hauv tsev, cov cim qhia tom qab, cov ntaiv tes, cov vaj huam sib luag khoom siv, thiab cov khoom siv feem ntau siv cov ntawv stainless vim tias qhov chaw tuaj yeem txhuam, txhuam, lossis textured kom ua tau raws li ob qho tib si tsim thiab lub hom phiaj ruaj khov. Ib qho tiav 2B feem ntau siv rau cov ntawv lag luam dav dav vim nws sib npaug qhov cuam tshuam thiab kev ua haujlwm tau zoo, thaum BA lossis cov tiav kho kom zoo nkauj raug xaiv thaum qhov tsos yog qhov tseem ceeb.

Hauv cov khoom siv, cov ntawv stainless kuj tseem tuaj yeem txo qhov kev saib xyuas. Piv nrog cov hlau carbon uas pleev xim, nws zam kev ua tsis tiav ntawm cov txheej, xeb ntawm ntug, thiab kev kho dua tshiab ntau zaus hauv qhov chaw noo lossis chaw ntxuav. Qhov ntawd yog qhov tshwj xeeb tshaj yog nyob rau hauv thaj chaw tsim khoom uas lub sijhawm tsis ua haujlwm raug nqi ntau dua li cov khoom siv kim.

Qhov kev sib pauv tseem ceeb ntawm kev tsim qauv yog tias kev ua kom zoo nkauj thiab kev ua haujlwm ntawm kev tsim khoom tsis sib xws tas li. Kev ua tiav zoo li daim iav tuaj yeem pom cov khawb yooj yim dua, thaum kev ua tiav matte tuaj yeem zais qhov hnav zoo dua tab sis muab cov txiaj ntsig pom sib txawv. Rau cov haujlwm uas xav tau kev ua tiav zoo sib xws thoob plaws ntau tus neeg muag khoom, cov lus qhia ntawm qhov chaw yuav tsum tau sau kom meej meej thaum yuav khoom, tsis yog xav tom qab.

Kev siv rau hauv dej hiav txwv, tshuaj lom neeg, thiab sab nraum zoov: thaum 316 tsim nyog nws

316 feem ntau yog qhov kev xaiv zoo dua thaum cov ntawv hlau stainless thiab phaj raug rau chlorides, tshuaj tsuag, kua qaub, lossis rov ua dua cov voj voog ntub-qhuav.

Cov khoom siv hauv dej hiav txwv, cov chaw kaw ntug dej hiav txwv, cov khoom siv ua tshuaj lom neeg, cov khoom siv sab nraum zoov, thiab cov khoom siv tswj ntsev txhua yam ntsib kev pheej hmoo ntawm kev xeb ntau dua li cov khoom siv hauv tsev. Hauv cov xwm txheej ntawd, 304 tseem yuav ua haujlwm tau zoo hauv ntau qhov xwm txheej, tab sis 316 muaj qhov sib txawv ntau dua vim tias molybdenum txhim kho kev tiv thaiv kev tawm tsam pitting thiab crevice. Yog vim li cas 316 feem ntau raug xaiv rau cov khoom uas kim heev los hloov lossis nyuaj rau nkag mus tom qab kev teeb tsa.

Rau kev xaiv qhov tseem ceeb ntawm kev xeb, nws yog ib qho tseem ceeb uas yuav tsum xav txog qhov hnyav ntawm ib puag ncig dua li kev nyiam hom. Ib feem nyob ze ntawm cov pa dej ntsev, cov kua qaub ntws tawm, lossis cov dej noo sov tsis zoo ib yam li ib feem hauv kev pabcuam hauv tsev qhuav. Tib qib tuaj yeem ua txawv heev nyob ntawm qhov sib txawv geometry, qhov zoo ntawm weld, thiab zaus ntxuav.

Rau kev txhawb nqa cov lus qhia tshwj xeeb, NIST Nickel Institute-based corrosion guidance sau tseg tias kev tiv taus corrosion nyob ntawm qhov chaw ib puag ncig thiab kev xaiv alloy; qhov pib zoo yog NACE/kev lag luam corrosion literature thiab ASTM specification saum toj no. Rau cov ntaub ntawv khoom siv raug cai, cov neeg yuav khoom feem ntau txheeb xyuas cov tshuaj lom neeg thiab cov khoom siv kho tshuab los ntawm cov ntawv qhia kev sim zeb thiab cov qauv lees txais es tsis yog kev tshuaj xyuas pom xwb.

Cov ntaub ntawv tsim khoom: yuav ua li cas qhov tiav ntawm qhov chaw thiab qhov nyuaj hloov pauv qhov tshwm sim

Qhov tiav ntawm qhov chaw thiab qhov nyuaj ntawm cov hlau stainless tuaj yeem ua rau tib daim ntawv hlau stainless ua haujlwm sib txawv heev hauv kev tsim khoom.

Ib qho mob mos dua txhim kho kev tsim thiab kev kos duab tob, thaum qhov mob tawv dua txhim kho lub zog thiab kev tiv thaiv rov qab. Qhov ntawd tseem ceeb hauv kev nias, qhov twg kev rov qab zoo li qub tuaj yeem pab lossis ua rau qhov geometry kawg puas tsuaj. Hauv kev xyaum, ib qho uas xav tau kev hloov pauv tob nyiam qhov kub mos dua, thaum ib qho uas yuav tsum nyob tiaj tus lossis tiv taus kev denting yuav tau txais txiaj ntsig los ntawm qhov mob tawv dua.

Qhov xwm txheej ntawm qhov chaw kuj cuam tshuam rau kev sib txhuam, kev hnav ntawm cov cuab yeej, thiab kev ntxuav tom qab ua tiav. Daim ntawv du dua yooj yim dua los so thiab feem ntau ua tau zoo dua thaum ua haujlwm tsis siv neeg. Vim li ntawd, ntau lub OEMs tsis yog tsuas yog qhia txog cov hlau thiab tuab xwb, tab sis kuj qhia txog qhov tiav, qhov kub, thiab qhov xwm txheej ntawm ntug.

• Siv cov khoom mos dua thaum cov txheej txheem xav tau kev sib sib zog nqus, khoov nruj, lossis kos cov yam ntxwv.
• Siv cov khoom tawv dua thaum qhov tiv taus qhov nkhaus, kev tswj lub caij nplooj ntoos hlav, lossis kev ruaj khov ntawm ntug tseem ceeb dua.
• Qhia kom tiav ua ntej yog tias qhov khoom ntawd yuav pom tseeb, huv si, lossis ntxuav ntau zaus.
• Thov kev tswj ntug thaum muaj kev pub khoom tsis siv neeg, kev teeb khoom, lossis kev tuav khoom siv neeg hlau.

Cov kev xaiv no tsis yog cov ntsiab lus zoo nkauj. Lawv cuam tshuam ncaj qha rau qhov ceev ntawm cov khoom pov tseg, kev ruaj khov ntawm cov khoom, thiab tus naj npawb ntawm cov kauj ruam tiav tom qab txiav lossis stamping.

Xaiv qib thiab qhov tiav rau cov ntawv hlau tsis xeb thiab phaj

Kev siv khoom zoo tshaj plaws yog qhov uas phim cov hlau sib xyaw, kev ua tiav, thiab txoj kev ua tiav rau qhov xwm txheej kev pabcuam tiag tiag.

Yog tias koj qhov khoom siv sab hauv tsev, siv rau txhua yam, thiab tsis tas yuav siv nyiaj ntau, 304 feem ntau muaj qhov sib npaug zoo tshaj plaws. Yog tias qhov chaw ib puag ncig muaj ntsev, tshuaj ntxuav chloride, lossis kev raug rau sab nraum zoov, 316 yuav ua rau nws kim dua. Yog tias qhov xav tau yog kev kho kom zoo nkauj lossis kev pabcuam corrosive nruab nrab nrog kev nyuaj siab ntawm cov peev nyiaj, 430 tuaj yeem yog qhov kev xaiv zoo hauv ntau kis. Thaum daim ntawv thov yog cov qauv, qhov tuab ntawm phaj thiab kev sib txuas ua ke tseem ceeb dua li cov tshuaj pleev ib ce saum npoo.

Cov txheej txheem xaiv yuav yooj yim dua thaum koj siv lub lim dej txiav txim siab yooj yim.

1. Txhais qhov chaw ib puag ncig: qhuav hauv tsev, ntub dej, ntug dej hiav txwv, tshuaj lom neeg, lossis kub heev.
2. Txhais qhov yuav tsum tau ua ntawm cov duab: vaj huam sib luag tiaj tus, qhov khoov, vaj tse vuam, lossis cov qauv uas muaj peev xwm thauj khoom tau.
3. Txhais qhov yuav tsum tau ua tiav: zais, kev lag luam, kho kom zoo nkauj, lossis huv.
4. Txhais txoj kev tsim khoom: txiav xwb, txiav thiab khoov, stamping, machining, lossis welding.
5. Paub meej tias qhov kam rau siab thiab qhov yuav tsum tau ua ua ntej tso tawm.

Rau cov neeg yuav khoom uas tsim cov saw hlau dav dua, covdaim ntawv hlau tsis xebnplooj ntawv no muaj txiaj ntsig zoo rau cov khoom tsim, thaum lubphaj hlau tsis xebnplooj ntawv zoo dua rau cov khoom khov kho thiab cov khoom sib dhos hnyav dua. Yog tias qhov project xav tau qhov dav nqaim lossis cov khoom siv tsis siv neeg, qhovstainless hlau stripkev xaiv tuaj yeem txhim kho kev ua tiav zoo ib yam.

Cov yuam kev tsim khoom feem ntau thaum siv cov ntawv hlau tsis xeb thiab phaj

Feem ntau cov kev ua tsis tiav ntawm stainless hlau pib nrog qhov yuam kev ntawm cov lus qhia, tsis yog qhov tsis zoo ntawm cov khoom siv.

Ib qho yuam kev uas feem ntau tshwm sim yog xaiv 304 rau qhov chaw uas muaj chloride ntau ntau qhov twg 316 yuav muaj kev nyab xeeb dua. Lwm qhov yog qhia meej txog qhov tiav zoo nkauj rau ib qho uas yuav raug kev sib txhuam ntau zaus lossis kev ntxuav hnyav. Qhov yuam kev thib peb yog tsis quav ntsej txog qhov tuab thiab qhov kub, uas ua rau muaj kev xav tsis thoob, kev sib txuas tsis zoo, lossis ib qho uas yooj ywm dhau hauv kev pabcuam.

• Tsis txhob xaiv los ntawm tus nqi xwb thaum paub tias muaj kev raug xeb.
• Tsis txhob xav tias qhov chaw uas ci ntsa iab lawm yuav ruaj khov dua.
• Tsis txhob muab qib, qhov ua tiav, thiab kev coj cwj pwm sib xyaw ua ke rau hauv ib qho tsis meej.
• Tsis txhob saib tsis taus qhov kev ntxuav tom qab tsim khoom thiab qhov xav tau passivation.

Hauv kev tsim khoom ntau, qhov yuam kev me me ntawm cov lus qhia yuav loj hlob sai heev. Kev ua tiav tsis raug tuaj yeem ua rau muaj kev rov ua dua ntawm txhua chav, thaum qib tsis raug tuaj yeem ua rau lub neej ua haujlwm luv dua thiab ua rau muaj kev lav phib xaub. Yog vim li cas kev tswj cov khoom siv, kev taug qab, thiab cov ntaub ntawv ntawm cov neeg xa khoom thiaj li tseem ceeb rau cov ntawv thov hlau stainless.

Daim ntawv teev cov lus qhia rau cov neeg yuav khoom thiab cov engineers

Daim ntawv qhia meej meej txo qhov kev pheej hmoo yuav khoom thiab txhim kho kev sib xws ntawm kev tsim khoom.

Yam tsawg kawg nkaus, pob khoom yuav tsum qhia txog cov hlau sib xyaw, tuab, dav, ntev, qhov tiav ntawm qhov chaw, kub, qhov xwm txheej ntawm ntug, thiab tus qauv tshuaj xyuas. Rau cov haujlwm tseem ceeb, nws kuj yuav tsum qhia meej txog qhov chaw xeb, qhov yuav tsum tau vuam, txoj kev ntim khoom, thiab seb puas xav tau zaj duab xis tiv thaiv lossis daim ntawv cais rau kev tiv thaiv qhov chaw.

Ib qho kev ntsuas siv tau hauv kev yuav khoom tiaj tiaj yog kev tswj qhov ntev. ISO 9445 feem ntau yog siv rau cov hlau stainless hlau txias dov, thiab cov chaw tsim khoom feem ntau thov kom muaj kev kam rau tuab, qhov tiaj tiaj, thiab qhov zoo ntawm ntug vim tias cov yam ntxwv no cuam tshuam ncaj qha rau kev ruaj khov ntawm kev luam ntawv thiab kev pub mov. Rau kev nrhiav khoom thoob ntiaj teb, qhov zoo ntawm cov ntaub ntawv tseem ceeb npaum li qhov zoo ntawm lub cev vim tias daim ntawv pov thawj ntawm lub Hoobkas thiab kev taug qab tiv thaiv kev sib dhos ua haujlwm tom qab.

Cov lus teb kawg: kev siv twg zoo tshaj plaws rau cov ntawv hlau stainless thiab phaj?

Cov kev siv tsim khoom zoo tshaj plaws rau cov ntawv hlau stainless thiab phaj yog cov uas xav tau kev tiv thaiv xeb, kev huv, kev tsim khoom rov ua dua, lossis kev ntseeg siab rau lub sijhawm ntev.

Siv daim ntawv rau cov khoom uas tau ua tiav lawm, cov ntaub npog qhov ncauj, cov ntaub thaiv qhov rooj, cov vaj huam sib luag dai kom zoo nkauj, thiab cov khoom uas ua los ntawm cov khoom loj. Siv daim ntawv rau cov thav duab khov kho, cov khoom siv hnyav, cov qauv uas raug hnav, thiab cov khoom sib dhos uas muaj lub nra hnyav. Xaiv 304 rau kev siv dav dav, 316 rau cov chaw ib puag ncig uas nyuaj, thiab 430 thaum cov peev nyiaj tseem ceeb dua li qhov tiv taus xeb siab tshaj plaws. Yog tias txoj haujlwm nyuaj, cov lus teb zoo feem ntau tsis yog "cov hlau tsis xeb feem ntau," tab sis yog kev sib xyaw ua ke ntawm qib, tiav, tuab, thiab kub.

Yog vim li ntawd cov ntawv hlau stainless thiab phaj tseem yog cov khoom siv tseem ceeb hauv kev tsim khoom noj, kev ua dej hiav txwv, kev kho mob, tshuaj lom neeg, kev tsim vaj tsev, thiab kev lag luam. Lawv qhov txiaj ntsig los ntawm kev hloov pauv tau, tab sis kev ua tau zoo tsuas yog kwv yees tau thaum cov lus qhia meej.

Cov Lus Nug Feem Ntau

Cov ntawv thov stainless hlau feem ntau yog dab tsi?

Cov ntawv thov hlau stainless feem ntau suav nrog cov khoom siv khoom noj, cov ntaub thaiv, cov vaj huam sib luag vaj tse, cov ntaub thaiv khoom siv, cov tsev kho mob, thiab cov neeg tiv thaiv tshuab.

Thaum twg kuv yuav tsum xaiv cov phaj hlau tsis xeb es tsis txhob siv daim ntawv?

Xaiv cov phaj hlau tsis xeb thaum qhov khoom yuav tsum khov kho, muaj zog, tiv taus kev hnav, lossis ruaj khov thaum muaj kev cuam tshuam thiab kev co.

Puas yog 304 lossis 316 zoo dua rau cov ntawv thov stainless hlau?

304 zoo dua rau kev siv sab hauv tsev thiab kev siv huv, thaum 316 zoo dua thaum raug chloride, tshuaj tsuag ntsev, lossis cov tshuaj ntxuav hnyav dua.

Qhov chaw tiav twg zoo tshaj plaws rau cov ntaub ntawv tsim khoom hauv qhov chaw huv si?

2B yog siv dav rau kev lag luam thiab kev tsim khoom huv vim nws muab qhov sib npaug ntawm kev du, tsos, thiab kev ua tiav.

Cov ntawv hlau tsis xeb puas siv tau sab nraum zoov?

Yog, tab sis kev ua tau zoo sab nraum zoov nyob ntawm qib thiab ib puag ncig; 316 feem ntau muaj kev nyab xeeb dua li 304 hauv cov chaw ntug dej hiav txwv lossis cov chaw muaj chloride ntau.

Vim li cas qhov nyuaj thiaj tseem ceeb hauv cov ntawv hlau stainless thiab phaj?

Qhov tawv cuam tshuam rau qhov ua tau zoo li cas, rov qab los, tiv taus qhov nkhaus, thiab seb cov khoom siv ua li cas thaum lub sijhawm stamping lossis bending.

Kuv yuav tsum qhia dab tsi thaum kuv xaj cov ntawv hlau stainless thiab phaj?

Qhia kom meej qib, tuab, tiav, kub, qhov xwm txheej ntawm ntug, tus qauv tshuaj xyuas, thiab qhov chaw ua haujlwm tiag tiag kom tus neeg muag khoom tuaj yeem phim cov khoom siv rau daim ntawv thov.