SUS630/17-4PH Martensitic Precipitation Hardening Stainless Steel
Kufotokozera Kwachidule:
SUS630/17-4PH Martensitic Precipitation Hardening Chitsulo Chosapanga Dzimbiri chimaphatikiza mphamvu zambiri, mphamvu yolimba komanso kukana dzimbiri poyika nkhungu ndi zida zolondola. Mipiringidzo yathyathyathya ya ASTM A564 imapezeka mu makulidwe, m'lifupi, kumapeto ndi mikhalidwe ya H900–H1150.
SUS630/17-4PH Martensitic Precipitation Hardening Stainless Steel ndi chitsulo chosapanga dzimbiri cholimba chomwe chimadziwika kuti Type 630, UNS S17400, EN 1.4542 ndi X5CrNiCuNb16-4. Chimaphatikiza mphamvu yayikulu, kuuma kosinthika, kulimba bwino komanso kukana dzimbiri kothandiza pa nkhungu za pulasitiki, zida zolondola, zida zakunja ndi zida zamakanika.
SAKY STEEL imapereka SUS630 / 17-4PH bala lathyathyathya m'mikhalidwe yokonzedwa ndi yankho komanso yolimba. Kukhuthala kwapadera, m'lifupi, kutalika, m'mphepete mwa makina, malo apansi, malo odulidwa ndi macheka ndi zolekerera zojambula zitha kukambidwa malinga ndi momwe nkhungu kapena zida zimagwiritsidwira ntchito komaliza. MTC, EN 10204 3.1 ndi malipoti ena owunikira angaperekedwe malinga ndi zofunikira pa oda.
Magawo a Zamalonda
| Chinthu | Tsatanetsatane wa Zamalonda |
|---|---|
| Dzina la Chinthu | SUS630/17-4PH Martensitic Precipitation Hardening Stainless Steel |
| Giredi | SUS630 / 17-4PH / Mtundu 630 |
| Kusankhidwa kwa UNS | UNS S17400 |
| Udindo wa ku Ulaya | EN 1.4542 / X5CrNiCuNb16-4 |
| Chilankhulo cha Chitchaina | 05Cr17Ni4Cu4Nb / 0Cr17Ni4Cu4Nb |
| Banja la Zinthu Zakuthupi | Chitsulo chosapanga dzimbiri cholimbitsa mpweya wa Martensitic |
| Fomu Yogulitsa | Mpiringidzo wathyathyathya, mpiringidzo wamakona anayi ndi chopanda kanthu cha nkhungu |
| Makulidwe osiyanasiyana | Pafupifupi 3–200 mm kapena yokonzedwa kuti ikonzedwe |
| M'lifupi mwake | Pafupifupi 10–500 mm kapena yosinthidwa |
| Utali | 1000–6000 mm kapena kudula mwamakonda kutalika |
| Kumaliza Pamwamba | Zakuda, zophikidwa ndi makina, zogayidwa, zophwanyidwa kapena zopukutidwa |
| Mkhalidwe wa Mphepete | Mphepete mwa mphero, m'mphepete mwa kudula ndi macheka kapena m'mphepete mwa makina |
| Mkhalidwe Wotumizira | Mankhwala okonzedwa kapena mvula yatha |
| Muyezo | ASTM A564 / ASME SA564 / JIS G4303 |
| Kulekerera | Kulekerera kwachizolowezi kapena kulekerera kofanana ndi kukoka |
| Ntchito Zomwe Zilipo | Kudula, kugaya, kupukusa ndi kukonza makina okhwima |
| Zikalata | MTC, EN 10204 3.1 ndi malipoti owunikira |
Kapangidwe ka Mankhwala
Kapangidwe kameneka kakuwonetsa ma reference values olamulidwa omwe akuwonetsedwa mu deta ya SUS630 / 17-4PH yoperekedwa. Ma values awa ayenera kuonedwa ngati ma reference values a pepala la malonda m'malo mwa malire apamwamba kapena ochepera a ASTM onse.
| Chinthu | Zomwe Zili M'bukuli (%) | Ntchito Yaukadaulo |
|---|---|---|
| Kaboni (C) | ≤ 0.05 | Yolamulidwa kuti ithandizire kulimba, kukana dzimbiri komanso kusinthasintha |
| Silikoni (Si) | 0.40 | Imagwira ntchito ngati chinthu chochotsa oxygen panthawi yosungunuka |
| Manganese (Mn) | 0.60 | Imathandizira kuchotsa oxidation ndi kulamulira kusungunuka |
| Phosphorus (P) | ≤ 0.030 | Zoletsedwa kuti zikhale zolimba komanso zosasunthika |
| Sulfure (S) | ≤ 0.010 | Zoletsedwa kuti zichepetse zinthu zomwe zikuphatikizidwa komanso kukonza umphumphu wa zinthuzo |
| Chromium (Cr) | 15.50 | Amapereka kukana dzimbiri kosapanga dzimbiri komanso kusinthasintha kwa pamwamba |
| Nikeli (Ni) | 4.10 | Imathandizira kulimba ndi kuwongolera kapangidwe ka martensitic |
| Mkuwa (Cu) | 3.30 | Zimapangitsa kuti thupi likhale lolimba panthawi ya ukalamba |
| Niobium + Tantalum | 0.25 | Imathandizira kuuma kwa mvula komanso kukhazikika kwa kapangidwe kake |
| Chitsulo (Fe) | Kulinganiza | Amapanga maziko a chitsulo |
Katundu wa Makina ndi Kuuma
SUS630 / 17-4PH imakulitsa mphamvu yake yomaliza komanso kuuma kwake kudzera mu ukalamba wa mvula pambuyo pa chithandizo cha yankho. Deta yofotokozera yomwe yaperekedwa pa mankhwalawa ikuwonetsa kuuma kopitilira 40 HRC, ndi mulingo wamba wa kuuma kwazaka pafupifupi 38–42 HRC.
| Katundu | Mtengo Wofotokozera | Kufunika kwa Uinjiniya |
|---|---|---|
| Kuuma Pambuyo pa Ukalamba | Pafupifupi 38–42 HRC | Yoyenera kugwiritsa ntchito nkhungu ndi zida zogwirira ntchito zolimba kwambiri |
| Chizindikiro cha Kuuma kwa Mapepala a Zamalonda | ≥ 40 HRC | Cholinga chofotokozera pambuyo pa chithandizo cha ukalamba chomwe chanenedwa |
| Mulingo wa Mphamvu | Kuchuluka kwa thupi, kumadalira mkhalidwe | Imathandizira zoyikamo nkhungu zodzaza, zida ndi zida zamakanika |
| Kulimba | Zabwino pa chitsulo chosapanga dzimbiri cholimba ngati mvula | Zimathandiza kupewa ming'alu ndi kugwedezeka panthawi yogwira ntchito ya nkhungu |
| Kuvala kukana | Yabwino pambuyo pa ukalamba | Zothandiza pa zinthu za nkhungu zomwe zingakhudze kutsetsereka |
| Kukana Kudzikundikira | Yabwino mumlengalenga komanso yowononga pang'ono | Yoyenera malo okhala ndi nkhungu yonyowa komanso zida zina zamafakitale |
| Kuyankha kwa Maginito | Kawirikawiri maginito | Chitsulo chosapanga dzimbiri cholimba cha martensitic precipitation |
Kuuma kwenikweni ndi makhalidwe a makina zimadalira makulidwe a flat-bar, momwe mankhwala amagwiritsidwira ntchito, kutentha kwa ukalamba, nthawi yokalamba ndi malo oyesera. Mitengo yotsimikizika iyenera kutsimikiziridwa ndi muyezo woyenera ndi MTC.
Tebulo Lofanana la Kukula
| Kukhuthala | M'lifupi | Utali | Malo Odziwika | Ntchito Yachizolowezi |
|---|---|---|---|---|
| 3–10 mm | 20–150 mm | 1000–6000 mm | Yophwanyidwa kapena yopukutidwa | Zoyikapo nkhungu zopyapyala ndi zingwe zogwiritsira ntchito |
| 12–30 mm | 30–250 mm | 1000–6000 mm | Yopangidwa ndi makina kapena yophwanyika | Zigawo zoumba mozama |
| 35–80 mm | 50–400 mm | Utali wodulidwa mwamakonda | Kudula kapena kuyika makina | Mitsempha ya nkhungu ndi zotchingira zothandizira |
| 85–150 mm | M'lifupi mwamakonda | Utali wodulidwa mwamakonda | Makina olimba | Zigawo zolemera za nkhungu |
| Kupitirira 150 mm | Zapangidwa motsatira dongosolo | Cholinga cha polojekiti | Yopangidwa ndi makina kapena yophwanyidwa | Mabuloko akuluakulu a nkhungu ndi malo opanda zida zogwiritsira ntchito |
Kuyerekeza Zofunikira Zosiyana
Kuyerekeza kwa Mkhalidwe wa Pamwamba ndi M'mphepete
| Mkhalidwe | Mbali Yaikulu | Kugwiritsa Ntchito Koyenera | Malangizo Ogulira |
|---|---|---|---|
| Malo Otsetsereka Otentha | Malo okwera mtengo opangira mphero okhala ndi gawo lothandizira pakupanga | Zophimba nkhungu ndi zida zogwiritsira ntchito | Tchulani makulidwe ndi m'lifupi mwake komaliza |
| Malo Odulira Modula ndi Macheka | Zopanda kanthu zokonzedwa ndi amakona anayi zokhala ndi gawo lodulira | CNC Machining ndi makonda nkhungu magawo | Kulekerera kwa boma ndi kudula macheka ndi squareness |
| Bala Losalala Lophwanyidwa | Kukhazikika bwino komanso kusinthasintha kwa mawonekedwe | Maziko ndi zoyikapo za nkhungu molondola | Fotokozani ndalama zogwirira ntchito pa nkhope zonse |
| Malo Otsetsereka Pansi | Kulekerera makulidwe olimba komanso malo osalala | Zida zoleza mtima komanso zida zolondola | Tchulani kusalala, kufanana, ndi kuuma |
| Bala Losalala Lopukutidwa | Maonekedwe abwino komanso ukhondo wa pamwamba | Zida zowoneka bwino komanso zida zoyeretsera | Kufunika kwa kalasi yopukutira kapena kukhwima kwa boma |
Kuyerekeza ndi Zipangizo Zofanana ndi Nkhungu
| Giredi | Mphamvu Yaikulu | Malire Ocheperako | Kusankha Kwachizolowezi |
|---|---|---|---|
| SUS630 / 17-4PH | Mphamvu yayikulu yokhala ndi kukana dzimbiri | Kukana kotsika kwa kuvala kuposa chitsulo cha mtundu wa D2 | Zoyika ndi zotchingira nkhungu zosagwira dzimbiri |
| 15-5PH | Kulimba bwino kopingasa komanso kufanana | Kupezeka kungakhale kochepa kwambiri | Zida zogwirira ntchito bwino komanso zomangira |
| 420 Zosapanga dzimbiri | Zingathe kukwaniritsa kuuma kwakukulu | Chiwopsezo chachikulu cha kusokonekera kwa kuuma | Zigawo zosapanga dzimbiri zosapanga dzimbiri |
| P20 Nkhungu Chitsulo | Kugwira ntchito bwino kwa makina komanso kugwiritsa ntchito nkhungu nthawi zambiri | Kukana dzimbiri kotsika | Zipangidwe za jakisoni wa pulasitiki wamba |
| Chitsulo cha Zida za D2 | Kukana bwino kuvala | Kukana dzimbiri komanso kulimba bwino | Zida zozizira komanso zogwiritsidwa ntchito kwambiri |
Miyezo Yofanana ndi Mayina Apadziko Lonse
| Dongosolo | Udindo | Ubale |
|---|---|---|
| Giredi ya JIS | SUS630 | Kusankhidwa kwa giredi ya ku Japan |
| Dzina Lodziwika Bwino la Malonda | 17-4PH / PH17-4 | Dzina lodziwika bwino la malonda |
| Mtundu wa ASTM | Mtundu 630 | Kudziwika kwa giredi |
| UNS | S17400 | Kusankhidwa kwa Dongosolo Lowerengera Manambala Logwirizana |
| Nambala ya Zinthu za EN | 1.4542 | Zolemba za Common European crossreference |
| Dzina la EN | X5CrNiCuNb16-4 | Kusankhidwa kwa mankhwala ku Europe |
| Chilankhulo cha Chitchaina | 05Cr17Ni4Cu4Nb / 0Cr17Ni4Cu4Nb | Chilankhulo Chofala cha Chitchaina |
| Mipiringidzo ndi Mawonekedwe Oyenera | ASTM A564 / ASME SA564 | Mipiringidzo ndi mawonekedwe osapanga dzimbiri okalamba |
| Buku Lofotokozera Zamalonda la JIS | JIS G4303 | Mipiringidzo yachitsulo chosapanga dzimbiri |
| Zolemba za Zamlengalenga | AMS 5643 | Chilolezo cha m'mlengalenga, waya ndi forging |
Kuyenda kwa Njira Yopangira
Zipangizo zowongolera zosakaniza zimapangidwa motsatira kapangidwe ka SUS630 kofunikira.
Kusungunuka kumeneku kumayendetsedwa kuti kuone kuchuluka kwa chromium, nickel, mkuwa ndi niobium.
Ma ingot kapena ma billets amapangidwa, ndipo remelting imagwiritsidwa ntchito ngati pakufunika.
Chikwama cha billet chimachepetsedwa kukhala chozungulira kapena mawonekedwe a flat-bar.
Zinthuzo zimatenthedwa kufika pa 1020–1060°C ndipo zimazizira mofulumira.
Kukalamba pafupifupi 480°C kumapanga mphamvu zambiri komanso kuuma kwambiri zikatchulidwa.
Chipilala chosalala chingadulidwe ndi macheka, kupukutidwa, kupukutidwa kapena kupukutidwa.
Miyeso, kuuma, pamwamba ndi zolembedwa zimatsimikiziridwa musanapake.
Kutentha Chithandizo
Chithandizo cha Mayankho
Buku loperekedwali limalimbikitsa kuchiza ndi yankho pa kutentha kwa pafupifupi 1020–1060°C kenako kuziziritsa mwachangu. Kuchiza kumeneku kumayika zinthu zosakaniza mu yankho ndikukonzekeretsa chinthucho kuti chikakule pambuyo pake.
Chithandizo cha Ukalamba
Kutentha kodziwika bwino kwa pafupifupi 480°C kumagwiritsidwa ntchito popanga ma precipitates olemera mkuwa. Pazifukwa zoyenera zokonzera, mankhwalawa amatha kupangitsa kuti kuuma kukhale pafupifupi 38–42 HRC.
Gawo 1: Kutentha kwa Yankho
Tenthetsani zinthuzo kufika pa 1020–1060°C.
Gawo 2: Kuziziritsa Mwachangu
Kuziziritsa mwachangu kumagwiritsidwa ntchito kusunga kapangidwe ka mankhwala okonzedwa.
Gawo 3: Kukalamba
Ukalamba pa kutentha pafupifupi 480°C malinga ndi kuuma ndi zofunikira.
Gawo 4: Kutsimikizira
Tsimikizani kuuma, kukula ndi momwe zinthu zilili mutalandira chithandizo cha kutentha.
Kuyang'anira Zamalonda
| Kuyendera | Njira | Cholinga |
|---|---|---|
| Kusanthula kwa Mankhwala | Kusanthula kwa Laboratory kapena spectrometric | Tsimikizirani chemistry ya SUS630 / UNS S17400 |
| PMI | Kuzindikiritsa zinthu zabwino | Chepetsani chiopsezo cha kusakaniza kwa magiredi; chimapezeka ngati chatchulidwa |
| Mayeso a Kuuma | Kuyesa kuuma kwa Rockwell | Tsimikizani kuuma kwa chandamale |
| Kuyang'anira Magawo | Muyeso wa caliper, micrometer ndi kutalika | Tsimikizani makulidwe, m'lifupi ndi kutalika |
| Kusalala ndi Kufanana | Muyeso wowongoka, woyezera kapena wolondola | Tsimikizirani kuyenerera kwa makina opangira nkhungu ndi zida |
| Kuyang'anira Pamwamba | Kuyang'ana ndi kumaliza | Dziwani ming'alu, mabowo, mamba kapena kuwonongeka kwa ntchito |
| Kuyesa kwa Ultrasonic | UT yopangira mipiringidzo ndi mabuloko okhuthala oyenera | Yesani kulimba kwa mkati mwanu pamene mwatchula |
| Kuwunikanso Kutsata | Nambala ya kutentha ndi kutsimikizira zikalata | Lumikizani zinthuzo ndi satifiketi ya MTC ndi EN 10204 3.1 |
| Kuyang'anira kwa Gulu Lachitatu | SGS, BV, TÜV kapena woyang'anira wosankhidwa | Imapezeka ikaperekedwa mu oda yogulira |
Kupaka Zinthu
Mipiringidzo yomalizidwa bwino imatha kutetezedwa ndi mafuta, filimu, pepala la VCI kapena kukulunga kosalowa madzi.
Mphepete mwa makina ndi nthaka zitha kutetezedwa ndi thovu, mapepala kapena zoteteza pakona.
Ma pallet, ma skid kapena ma bokosi amatabwa otumizidwa kunja amasankhidwa malinga ndi kukula ndi kulemera.
Gulu, kukula, nambala ya kutentha ndi chizindikiritso cha chinthucho zimasungidwa kuti zitsatidwe.
Mndandanda wa zolongedza, MTC ndi zikalata zowunikira zimathandizira kutumiza ngati pakufunika.
Kugwiritsa Ntchito, Kugwira Ntchito kwa Dzimbiri ndi Kupanga
Mapulogalamu
Chitsulo chosapanga dzimbiri cha SUS630 / 17-4PH chopanda banga chachitsulo chosalala chimagwiritsidwa ntchito pamene pakufunika mphamvu zambiri, kukana dzimbiri komanso mphamvu zolimbitsa ukalamba. Chizindikiro cha zinthu zomwe zaperekedwa chikuwonetsa momwe zinthuzo zimagwiritsidwira ntchito m'mphepete mwa nyanja, kunyamula, chakudya, mapepala, ndege, makina ndi pulasitiki.
| Makampani | Zigawo Zachizolowezi | Chifukwa Chosankha |
|---|---|---|
| Mapulatifomu a Kunyanja | Mabulaketi amphamvu kwambiri, zothandizira ndi zida zamakanika | Mphamvu pamodzi ndi kukana dzimbiri mumlengalenga |
| Zida Zokwezera ndi Zonyamulira | Zigawo za Hoist deck, zogwirira ndi zida zodzaza | Mphamvu ndi kulimba kwambiri mutakalamba |
| Makampani Ogulitsa Zakudya | Zigawo za nkhungu, zida ndi zida za makina | Kukana dzimbiri, kuyera bwino komanso mphamvu ya makina |
| Makampani Ogulitsa Zamkati ndi Mapepala | Zogwirira, zida zamakina ndi zida zovalira | Kukana ntchito yonyowa ya mafakitale ndi kunyamula makina |
| Ndege | Zopangira zolondola ndi zida zamakanika | Mphamvu yayikulu komanso kukhazikika kwamitundu |
| Ukachenjede wazitsulo | Ma mbale a zida, zogwirira ndi zida zolondola | Mphamvu yolinganizika, kulimba, ndi kuthekera kochita zinthu mwadongosolo |
| Zoumba zapulasitiki | Zoyikapo nkhungu, maziko a nkhungu, mbale zosungira kumbuyo ndi mabuloko othandizira | Kukana dzimbiri, kuuma ndi kukhazikika kwa mawonekedwe |
Kugwira Ntchito kwa Dzimbiri
SUS630 / 17-4PH nthawi zambiri imapereka kukana dzimbiri bwino kuposa zitsulo zosapanga dzimbiri zambiri zolimba za 400-series. Imagwira ntchito bwino m'malo ozungulira, chinyezi komanso owononga pang'ono, zomwe zimapangitsa kuti ikhale yothandiza pazinthu za nkhungu zomwe zimakhudzidwa ndi chinyezi, njira zoyeretsera kapena zinthu zina zapulasitiki zowononga.
Kukana kwenikweni kumadalira momwe zinthu zilili, kutha kwa pamwamba, kuchuluka kwa kloridi, kutentha, mawonekedwe a ming'alu ndi mankhwala oyeretsera. Zinthuzo siziyenera kufotokozedwa kuti sizingavulazidwe ndi madzi a m'nyanja kapena mankhwala ochulukirapo.
Kutha kugwira ntchito
Kutha kupangidwa ndi chitsulo chosapanga dzimbiri cholimba ngati mvula. Kupera kwakukulu, kuboola ndi kupangira zinthu m'thumba nthawi zambiri kumachitika mukakhala kuti madzi akumwa asanakhwime. Zipangizo zolimba, zida zakuthwa za carbide, kudula bwino, ndi choziziritsira chokwanira ndizomwe zimalimbikitsidwa.
SUS630 / 17-4PH si yosavuta kuigwiritsa ntchito monga chitsulo chosapanga dzimbiri cha mtundu wa 303 chopangidwa ndi free-machining. Pa chogwirira cha flat mold, flatness yomaliza, parallelism ndi roughness ya pamwamba ziyenera kufotokozedwa pambuyo pa njira yokonzekera yopangira ndi kutentha.
Kutha kupotoka
SUS630 / 17-4PH ikhoza kulumikizidwa pogwiritsa ntchito njira zodziwika bwino monga GTAW, GMAW ndi SMAW. Njira yolumikizira ndi kutentha pambuyo pa kulumikizidwa ziyenera kusankhidwa malinga ndi mphamvu yomaliza, kulimba, kukana dzimbiri komanso zofunikira pakukula.
N’chifukwa Chiyani Muyenera Kusankha SAKY STEEL?
Kukhuthala, m'lifupi, m'litali, m'mphepete mwa makina ndi njira yopangira zinthu zitha kuperekedwa malinga ndi zojambulazo.
Zinthu zomwe zakonzedwa ndi kukonzedwa komanso zomwe zayamba kutha mvula zitha kukambidwa malinga ndi kuuma ndi magwiridwe antchito ofunikira.
Kuzindikira nambala ya kutentha kungasungidwe kuchokera ku zolemba za zinthu mpaka kulongedza komaliza.
MTC (Mill Test Certificate / 质保书) ndi satifiketi ya EN 10204 3.1 zitha kuperekedwa malinga ndi dongosolo logulira.
PMI, kuuma, kuyang'anira miyeso, UT ndi kuwunika kwa anthu ena kungakonzedwe ngati zafotokozedwa.
Zophimba zoteteza, zoteteza m'mphepete, ma pallet, mabokosi amatabwa ndi zizindikiro zotumizira zomwe zasinthidwa zikupezeka.
FAQ
Kodi chitsulo chosapanga dzimbiri cha SUS630 / 17-4PH n'chiyani?
SUS630 / 17-4PH ndi chitsulo chosapanga dzimbiri cholimba chomwe chimakhala ndi chromium, nickel, mkuwa ndi niobium. Chimapanga mphamvu zambiri komanso kuuma kudzera mu mankhwala ndi ukalamba.
Kodi SUS630 / 17-4PH ndi chitsulo cha nkhungu?
Ndi chitsulo chosapanga dzimbiri chomwe chimauma chifukwa cha mvula, koma chingaperekedwe ngati chitsulo chosapanga dzimbiri cha nkhungu chopangira zinthu zoyika nkhungu, mbale zoikira zida, maziko a nkhungu ndi zinthu zomangira nkhungu zomwe sizingawonongeke ndi dzimbiri.
Kodi ndi mankhwala otani otenthetsera omwe amagwiritsidwa ntchito pa SUS630?
Chithandizo chanthawi zonse chimagwiritsa ntchito kutenthetsa madzi pa kutentha kwa pafupifupi 1020–1060°C kutsatiridwa ndi kuzizira mwachangu. Kukalamba pafupi ndi 480°C kungagwiritsidwe ntchito kuti pakhale mphamvu zambiri komanso kuuma.
Kodi kuuma kwa 17-4PH kungatheke bwanji?
Chizindikiro chomwe chaperekedwa chikuwonetsa kuuma pamwamba pa 40 HRC, ndipo nthawi zambiri chimakhala pafupifupi 38–42 HRC mutakalamba moyenera. Kuuma kwenikweni kumadalira kukula kwa gawo, nthawi yokalamba, kutentha kwa ukalamba, ndi malo oyesera.
Ndi mapulogalamu ati omwe amagwiritsa ntchito SUS630 flat bar?
Ntchito zambiri zimaphatikizapo nkhungu zapulasitiki, zoyikamo nkhungu, mbale zoikira zida, zida za m'mphepete mwa nyanja, zida za crane, makina ophikira chakudya, zida zamkati ndi mapepala, zida zoyendera ndege ndi zida zamakanika zolondola.
Kodi SUS630 flat bar ingaperekedwe?
Malo ophwanyika, opukutidwa, opangidwa ndi makina ndi opukutidwa akhoza kukambidwa malinga ndi makulidwe, m'lifupi, kusalala, kufanana ndi kukhwima kwa pamwamba komwe kukufunika.
Kodi kuyezetsa kwa ultrasound kulipo?
UT ikhoza kukonzedwa kuti ikhale ndi mipiringidzo yolimba komanso mipiringidzo ya nkhungu yoyenera ikaperekedwa. Dongosolo liyenera kufotokoza muyezo wofunikira woyesera, njira yowunikira, mulingo wovomerezeka ndi mtundu wa lipoti.
Kodi SAKY STEEL ingapereke MTC?
Inde. MTC, kutsata kwa nambala ya kutentha ndi satifiketi ya EN 10204 3.1 zitha kuperekedwa malinga ndi dongosolo. Malipoti ena a PMI, kuuma, kukula kapena UT angakonzedwe ngati atchulidwa.
