Izinto zokwakha

I-Grade 310\/310S insimbi engagqwali ingu-25% chromium kanye ne-nickel engu-20%, iyenza imelane kakhulu ne-oxidation kanye nokugqwala. I-Grade 310S inguqulo yekhabhoni ephansi ethambekele kancane ekubambeni nasekuqwashiseni ngokusetshenziswa.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Ipayipi lensimbi engagqwali 304l insimbi engagqwali ye-austenitic esetshenziswa kakhulu. Yaziwa nangokuthi "18\/8" insimbi engagqwali ngoba ukwakheka kwayo kuhlanganisa 18% chromium kanye 8% nickel. Insimbi engagqwali engu-304 inokwakheka okuhle nokushisela kanye nokumelana nokugqwala okuqinile namandla.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Ipayipi lensimbi engagqwali engu-304l inokusebenza okuhle. Umshini ungathuthukiswa ngokusebenzisa le mithetho elandelayo: Unqenqema lokusika kufanele luhlale lubukhali. Imiphetho ebuthuntu ingaholela ekusebenzeni kanzima ngokweqile. Ukusikeka kufanele kube lula kodwa kujule ngokwanele ukuvimbela ukuqina komsebenzi phezu kwezinto. I-chip breaker kufanele isetshenziselwe ukusiza ukuqinisekisa ukuthi ama-chips ahlala egxilile onqenqemeni lokusika. Lokhu kusho ukuthi izinto zokupholisa kanye nezinto zokugcoba ziyadingeka futhi kufanele zisetshenziswe ngobuningi.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

304L insimbi engagqwali inguqulo ye-ultra-low carbon ye-304 steel alloy. Okuqukethwe kwekhabhoni ephansi ku-304L kunciphisa imvula ye-carbide engafuneki noma engafuneki ekushiseleni. Ngakho-ke, i-304L "ingashiselwa" ezindaweni ezigqwala kakhulu futhi ayidingi ukuhushulwa.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

I-304 kanye ne-304L ingacaciswa ezimeni ezifakiwe ngokuhleleka okuhle kakhulu. Izinguqulo ze-nickel eziphakeme zingacaciswa ezicini zokudweba ezijulile ezithuthukisiwe. Kuzinhlelo zokusebenza zohlobo lwentwasahlobo, Izinhlobo 304\/304L zingaphinda zicaciswe ezimeni eziphakeme zokusebenza ezibandayo. Uhlobo 304\/304L aluwona uzibuthe esimweni esifakwe emanzini, kodwa lungase lube lukazibuthe kancane ngokusebenza okubandayo.

I-Stainless Steel 310\/310S iyingxubevange ye-austenitic emelana nokushisa enokumelana okuhle kakhulu ne-oxidation ngaphansi kwezimo ezimaphakathi zamabhayisikili kufika ku-2000¡ãF. I-chromium ephezulu ne-nickel okuqukethwe kwayo kunikeza ukumelana nokugqwala okuqatha, ukumelana ne-oxidation ephakeme kanye nephesenti elikhulu lokugcinwa kwamandla okushisa kwegumbi kunama-alloy avamile e-austenitic afana no-Type 304. I-Stainless Steel 310 ivamise ukusetshenziswa emazingeni okushisa aphansi, inokuqina okuhle kakhulu okungu -450¡ãF, kanye nokuqina kazibuthe okuphansi.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

310\/310S ipayipi lensimbi engagqwali linokumelana okuhle kwe-oxidation ekusetshenzisweni ngezikhathi ezithile emoyeni kufika ku-1035¡ãC nokusetshenziswa okuqhubekayo kokuthi 1050¡ãCin. Lawa mabanga amelana ne-oxidation, vulcanization kanye ne-carburization.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Ukukhiqiza ipayipi lensimbi engagqwali elingu-310/310S lakhiwe ngebanga lokushisa elingu-975 – 1175¡ãC. Ukuphakamisa okusindayo kwenzeka ngo-1050¡ãC, futhi isiphetho esingasindi sisetshenziswa ngaphansi kobubanzi. Ukufakwa kwe-anneal ngemuva kokubumba kunconywa ukususa konke ukucindezeleka ngesikhathi sokubumba. Lawa ma-alloys angabanda kalula akhiwe ngezindlela ezijwayelekile kanye nemishini.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

I-chromium ephezulu nokuqukethwe kwe-nickel okumaphakathi kwe-310S insimbi engagqwali kuvumela lezi zinsimbi ukuthi zisetshenziswe ku-H2S equkethe i-sulphur atmospheres encishisiwe. Zisetshenziswa kakhulu ezindaweni ezimaphakathi ze-carburizing, njengalezo ezitholakala ezindaweni ze-petrochemical. Ukuze uthole izimo ezinzima kakhulu ze-carburizing, amanye ama-alloys amelana nokushisa kufanele akhethwe. IBanga lama-310 alinconywa ukuthi licime uketshezi njalo ngenxa yokushaqeka okushisayo. Ngenxa yokuqina kwayo kanye nokufinyeleleka okuphansi kazibuthe, leli banga livame ukusetshenziswa ezinhlelweni zokushisa eziphansi.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

I-Fusion weldability yohlobo lwe-304l yensimbi engagqwali kuhle kakhulu noma ngaphandle kwama-filler. Induku yokugcwalisa enconyiwe kanye ne-electrode ezosetshenziswa ngensimbi engagqwali engama-304 iyinsimbi engagqwali yebanga lama-308. Ku-304L, ukupakisha okunconyiwe kungu-308L. Izingxenye ezishiselwe kakhulu zingase zidinge ukushiselwa kokuthunyelwe. I-304L ayidingi lesi sinyathelo. Uma ukwelashwa kokushisa kwe-post weld kungenakwenzeka, ibanga lama-321 lingasetshenziswa.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Izinhlelo Ezijwayelekile 310\/310S amapayipi ensimbi engagqwali asetshenziswa kuzishisi zebhedi ezimanzi, okhela, amashubhu akhazimulayo, iziphanyeko zamashubhu okucwenga uphethiloli kanye namabhoyela esitimu, izinsimbi zamalahle zangaphakathi, amathangi omthofu, ama-thermowells, amahange aphikisayo, amabhayela avuthayo namakamelo avuthayo, izimbotshana zokushisa umlilo, iziqhumane, iziqhumane, ama-saggars, imishini yokucubungula ukudla, izakhiwo ze-cryogenic.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

304l insimbi engagqwali ayikwazi ukwenziwa lukhuni ngokwelashwa ukushisa. Ukwelashwa kwesixazululo noma ukucwiliswa kwamanzi kungapholiswa ngokushesha ngemva kokushisisa ku-1010-1120¡ãC.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Ipayipi elingagqwali elingu-304L linezakhiwo eziphansi kancane zemishini kunezigaba ezijwayelekile ezingama-304, kodwa lisasetshenziswa kabanzi ngenxa yokuhlukahluka kwalo. Njengensimbi engagqwali ye-Type 304, isetshenziswa kakhulu ekwenzeni ubhiya nokwenza iwayini, kodwa iphinde isetshenziswe ngaphandle kwemboni yokudla, njengeziqukathi zamakhemikhali, izimayini nokwakha. Ilungele izingxenye zensimbi ezifana namantongomane namabhawodi achayeke emanzini anosawoti.

I-alloy 310 (UNS S31000) iyinsimbi engagqwali ye-austenitic eyenzelwe ukusetshenziswa okumelana nezinga lokushisa eliphezulu nokugqwala. Ingxubevange imelana ne-oxidation kuze kufike ku-2010oF (1100oC) ngaphansi kwezimo zamabhayisikili ezithambile. Ngenxa yokuqukethwe kwayo okuphezulu kwe-chromium kanye ne-nickel emaphakathi, ingxubevange engu-310 imelana ne-sulfid futhi ingasetshenziswa nasezindaweni ezimaphakathi zokungcwaba.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

304l insimbi engagqwali kulula ukusebenza kanzima. Izindlela zokukhiqiza ezibandakanya ukusebenza okubandayo zingase zidinge isigaba esimaphakathi sokuvala ukuze kuncishiswe ukuqina komsebenzi futhi kugwenywe ukudabuka noma ukuqhekeka. Uma ukwakhiwa sekuqediwe, kufanele kusetshenziswe ukuhlinzwa okugcwele kwe-annealing ukuze kuncishiswe ingcindezi yangaphakathi nokwandisa ukumelana nokugqwala.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

I-Machinability 310\/310SS ipayipi yensimbi engagqwali ifana ne-machinability ku-Type 304. Ukuqina komsebenzi kungaba yinkinga futhi kuvamile ukususa ungqimba oluqinile lomsebenzi ngokusebenzisa isivinini esiphansi nokusika okunzima, amathuluzi abukhali kanye nokugcoba okuhle. Sebenzisa imishini enamandla namathuluzi asindayo aqinile.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

I-One Sourse ye-Stainless, i-Duplex, i-Special Alloy, i-Inconel, i-Monel, i-Hastelloy, i-Nitronic & I-Carbon Steel, njll.Ngolayini wethu wokukhiqiza wamapayipi nokufakwa, ama-flange, ama-forging, njll. kanye nobudlelwano obuhle nabakhiqizi abahlukene emkhakheni wensimbi, singathola cishe noma yiluphi uhlobo lwemikhiqizo yensimbi oyidingayo ukuze wonge isikhathi/ukuthenga i-Pipeline, i-Equitop, i-Zzhou Ltd.

Izinhlobo zensimbi engagqwali 304 noma 304L zaziwa nangokuthi 18/8 izinsimbi ezingenasici ngoba ukwakheka kwamakhemikhali kwazo kuhlanganisa cishe u-18% we-chromium kanye no-8% we-nickel ngesisindo. Zisetshenziswa kakhulu embonini yokucubungula ukudla neziphuzo ngenxa yokulula kwazo ukwakha nokushisela kanye nokumelana nokugqwala okuqinile. Izinhlobo ezingu-304 kanye ne-304L zinezakhiwo zamakhemikhali nezemishini ezifanayo kakhulu. Umehluko kuphela phakathi kwazo yi-carbon content; Insimbi engagqwali engu-304 inobubanzi obuphezulu bekhabhoni obungu-0.08%, kanti u-304L unobubanzi obuphezulu bekhabhoni obungu-0.03%.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Epayipini lensimbi engu-304L, ububanzi bokuqukethwe kwekhabhoni ensimbi buthinta ukumelana nokugqwala kwethangi. Ngesikhathi sokushiselwa kwensimbi, into ebizwa ngokuthi “imvula ye-chromium carbide” yenzeka emazingeni okushisa aphakathi kuka-800 no-1500¡ãF (425 kanye no-815¡ãC). I-Chromium ihlangana nekhabhoni endaweni ethinteke ekushiseni futhi ihle njenge-chromium carbide emingceleni yokusanhlamvu. Ngenxa yalokho, kunciphisa kakhulu ukumelana nokugqwala kwensimbi kule ndawo. Ngenxa yokuqukethwe kwekhabhoni ephansi yensimbi engu-304L, ubungozi bemvula ye-chromium carbide inciphile kakhulu.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

304\/304L ipayipi lensimbi engagqwali inguqulo yesimanje "yensimbi engagqwali engu-18-8", equkethe cishe u-18% we-chromium no-8% we-nickel, futhi iyinsimbi evamise ukucaciswa kabanzi emhlabeni jikelele.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

ipayipi lensimbi engagqwali a amazinga 304l. I-304H iwuhlobo lwekhabhoni ephezulu engasetshenziswa futhi emazingeni okushisa aphakeme.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Amamaki ahlukene ensimbi engagqwali nawo aqukethe amanani ezinto ezihlukene. Insimbi engagqwali yeBanga lama-304 iqukethe i-nickel efika ku-35% futhi isetshenziswa ezintweni ezisetshenziswayo, izinto zokupheka, amapayipi nama-hardware. IBanga lama-316 liqukethe i-molybdenum, okuyenza ilungele izinto zasolwandle, amakhemikhali nempahla yemithi, kanye nemishini yemikhumbi yokuhweba.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Izinsimbi ezingenasici 304 kanye ne-304L zaziwa nangokuthi izinsimbi ezingenasici 1.4301 kanye ne-1.307 ngokulandelanayo. Ipayipi lensimbi engu-304l insimbi engagqwali eguquguquka kakhulu futhi eguquguqukayo. Ngezinye izikhathi isabizwa ngegama layo elidala, 18\/8, elisuselwe ekwakhiweni kwegama le-Type 304 lika-18% chromium kanye ne-nickel engu-8%. Uhlobo lwe-304 insimbi engagqwali iyizinga le-austenitic elingadonswa ngokujula kakhulu. Lesi sici siholele ekutheni i-304 ibe yibanga lokuqala elisetshenziswa ezinhlelweni ezinjengamasinki namapani.

304\/304L ipayipi lensimbi engagqwali iyinjongo evamile enemisebenzi eminingi yensimbi engagqwali enokumelana okuhle nokugqwala komkhathi kanye namakhemikhali amaningi nokudla neziphuzo.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Copyright © Zhengzhou Huitong Pipeline Equipment Co., Ltd. Wonke Amalungelo Agodliwe
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

310, 310S kanye 310H amapuleti ensimbi engagqwali kukhona austenitic insimbi engagqwali izicelo lokushisa eliphezulu. Ingasetshenziswa ngokuqhubekayo emazingeni okushisa afika ku-2,100¡ãF. Leli banga liqukethe u-25% we-chromium no-20% we-nickel, okulenza limelane kakhulu ne-oxidation nokugqwala.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Ukwakhiwa kwensimbi engagqwali okungu-304, 316 kanye no-316L kuyi-austenitic, igama elisetshenziselwa ukuhlukanisa ukwakheka kwekristalu yensimbi. Isakhiwo sifezwa ngokuphatha ukushisa emazingeni okushisa aphezulu kakhulu okulandelwa ukucisha ¨C inqubo yokupholisa esheshayo ekhiya izici zesakhiwo endaweni. Ukwakhiwa kwe-Austenitic kunamandla kunezinsimbi ze-martensitic noma ze-ferritic. Izinsimbi ze-Ferritic zikazibuthe, zinekhabhoni ephansi, futhi azikwazi ukumelana nokugqwala.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Insimbi engagqwali engu-304l ithola igama layo ngenxa yokusebenzisana phakathi kokwakheka kwengxubevange yayo nendawo ezungezile ezichayeka kuyo ukumelana nokugqwala. Izinhlobo eziningi zensimbi engagqwali zinokusetshenziswa okuningi futhi kunokunqwabelana okuningi. Zonke izinsimbi ezingenasici ziqukethe okungenani i-chromium engu-10%. Kodwa akuzona zonke izinsimbi ezingenasici ezenziwe zilingana.
Stainless Steel Fasteners
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
insimbi engagqwali i-ss 304 316 ipayipi enenyunyana efanelekile
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless

Njengensimbi, insimbi engagqwali engu-316 ngokuyinhloko yakhiwe ngensimbi nekhabhoni. Kodwa-ke, insimbi engagqwali futhi iqukethe okungenani i-chromium engu-10.5%, into eyinsimbi enikeza ukuqedwa kwendawo yensimbi kanye nokumelana nokugqwala okuhle kakhulu. Insimbi engagqwali ilungele ukusetshenziswa kwesikhathi eside okuzochayeka ezintweni, umswakama kanye namakhemikhali anamandla okugqwala. Ilungele futhi izimboni ezizwelayo ezifana nokulungiswa kokudla kanye nemithi, njengoba ubungozi bokungcola buphansi kakhulu.

Ipayipi elingenamthungo elingu-304l linokumelana nokugqwala okuhle kakhulu ezindaweni eziningi futhi lithintana nemidiya ehlukahlukene egqwalayo. Ukugqwala kwemigodi nokuqhekeka kungenzeka ezindaweni ezine-chloride. Ukuqhekeka kokugqwala kwengcindezi kungenzeka ngaphezu kuka-60¡ãC.
Thayipha Ipayipi Elingenasici
I-Seamless Tube
Ipayipi elishiselwe
I-Welded Tube
SAW LSAW ERW EFW
I-Beveled End, I-Plain End”
I-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
Ubukhulu: SCH5~SCHXXS
aisi 310s insimbi engagqwali ipayipi Seamless
Materials-Zhengzhou Huitong Pipeline Equipment Co., Ltd.
316l 310s 321 ipayipi lensimbi engenamthungo