EN 10219 S275J0H uye S275J2Hzvikamu zvemukati zvakasungirirwa zvakagadzirwa nesimbi isina kusanganiswa zvichienderana neEN 10219.
Ose ane simba rekuburitsa simba re275MPa (ukobvu hwemadziro ≤16mm). Musiyano mukuru uri muhunhu hweimpact: S275J0H ine simba rekuburitsa simba re27 J pa0°C, nepo S275J2H ine simba rekuburitsa simba re27 J pa -20°C.
Yakakodzera kushandiswa muzvivakwa nezvivakwa zveinjiniya zvinoreruka.
BS EN 10219 ndiyo European Standard EN 10219 yakagamuchirwa neUK.
Ukobvu hwemadziro ≤40mm, Dhayamita yekunze ≤2500mm.
CFCHS ipfupiso yechikamu che "Cold-Formed Circular Hollow Section".
Chiyero cheEN 10219 chinosanganisira mhando dzakasiyana dzesimbi dzakaita sedzakatenderera, dzakaenzana, dzakaenzana, uye dzakapetwa kaviri, kuti zvienderane nezvinodiwa zvakasiyana zvekushandiswa.
Simbi yeBotopinonyanya kupa machubhu esimbi akatenderera ane maburi akasiyana-siyana uye maitiro akasiyana-siyana kuti akwane akasiyana-siyana mashandisirwo eindasitiri, ichiva nechokwadi chekuti zvinodiwa nevatengi vedu zvinogoneka kuzadzikiswa.
Kubva payakavambwa muna 2014,Simbi yeBotopyava mutengesi anotungamira wemapaipi esimbi yekabhoni kuChamhembe kweChina, inozivikanwa nebasa rakanaka kwazvo, zvigadzirwa zvemhando yepamusoro, uye mhinduro dzakakwana.
Kambani iyi inopa mapaipi akasiyana-siyana esimbi yekabhoni nezvimwe zvigadzirwa zvine chekuita nayo, zvinosanganisiraSMLS, ERW, LSAWuyeSSAWmapaipi esimbi, pamwe chete nehurongwa hwakakwana hwezvishandiso zvemapaipi nemaflange. Zvigadzirwa zvayo zvehunyanzvi zvinosanganisirawo alloys dzemhando yepamusoro nesimbi dzisina ngura dzinoshandiswa neaustenitic, dzakagadzirirwa kusangana nezvinodiwa nemapurojekiti akasiyana-siyana emapaipi.
Tinotarisira kutanga hukama hwekushandira pamwe nemi uye kugadzira ramangwana rakanaka pamwe chete.
Simbi isina kugadzirwa yekugadzira zvikamu zvine maburi zvinotonhora inobviswa okisijeni uye inofanira kusangana nemamiriro chaiwo ekutumira.
Zvinodiwa zvakakosha zveS275J0H neS275J2H ndeizvi:FF(Simbi yakaurayiwa zvizere ine nitrogen binding elements muhuwandu hwakakwana kuti isunge nitrogen iripo (semuenzaniso min.0,020 % yeAl kana 0,015 % inonyungudika)).
Mamiriro ekutumira: Yakamonerwa kana yakajairika/yakamonerwa (N) yesimbi dzeJR, J0, J2, uye K2.
Mapaipi esimbi anoenderana neEN 10219 anogona kugadzirwa nevoseERW(kusveta electro resistance) uyeSAWMaitiro ekugadzira (kusanganisa arc pasi pemvura).
Kugadzirwa kweMachubhu eERWine mukana wekuti inokurumidza uye inodhura zvishoma uye inowanzo sarudzwa kumapurojekiti anoda kugadzirwa kukuru uye kushandiswa kwepamusoro-soro kwemari.
ERWmachubhu anowanzo shandiswa kugadzira dhayamita diki uye ukobvu hwemadziro hwakatetepa, nepoSAWMachubhu akakodzera dhayamita hombe nemadziro akakora. Ndapota sarudzai mhando yepombi yesimbi yakakodzera purojekiti yenyu.
Mapaipi eERW akagadzirwa zvichienderana neEN 10219 haawanzo da kuchekererwa kwesimbi mukati.
Izvi zvinodaro nekuti machubhu eEN 10219 anonyanya kushandiswa mumabasa ekuvaka, akadai sekuvaka nekugadzira michina, uko zvinodiwa pakutaridzika kweweld zvinowanzova zvishoma pane zvemidziyo inomanikidza kana mapaipi ane simba rakawanda. Saka, chero bedzi simba nekusimba kweweld zvichizadzisa zvinodiwa nezvinodiwa, weld dzemukati dzinogona kushandiswa pasina kuwedzerwa kuchekerera.
Hapana kurapwa kwekupisa kunoitwa mushure mezvo, kunze kwekuti weld inogona kunge iri mumamiriro ewelded kana kuti yakagadziriswa nekupisa.
Kuongorora Kuumbwa Kwezvinhu Zvisina Kugadzirwa (Kuumbwa Kwemakemikari Ezvinhu Zvisina Kugadzirwa)
Zvose S275J0H naS275J2H zvine chiyero chakaenzana nekabhoni (CEV) che0.40%.
S725J0H naS275J2H dzine CEV yepamusoro ye0.4% zvinoratidza kuchinjika kuri nani pasina njodzi yekuomarara nekutsemuka panguva yekuchinjika.
Inogona zvakare kuverengerwa uchishandisa fomura inotevera:
CEV = C + Mn/6 + (Cr + Mo + V)/5 + (Ni + Cu)/15.
Kuongorora Chigadzirwa (Kuumbwa Kwemakemikari Ezvigadzirwa Zvakapedzwa)
Munguva yekugadzira simbi, makemikari anogona kuchinja nekuda kwezvikonzero zvakasiyana-siyana, uye shanduko idzi dzinogona kukanganisa hunhu uye kunaka kwesimbi.
Musanganiswa wemakemikari wepombi yesimbi yekupedzisira unofanirwa kuenderana nemakemikari ari mupombi uye kutsauka kwayo kunobvumirwa.
Zvimiro zvehunhu hwemakanika zvinosanganisira simba rekukura, simba rekudhonza, kureba, uye simba rekukanganisa.
Kuderedza kushushikana kwemhepo pakupisa kunopfuura 580 ℃ kana kweanopfuura awa imwe chete kunogona kukonzera kuora kwehunhu hwemuchina.
Zvinyorwa:
Kuedzwa kwemhedzisiro hakudiwi kana ukobvu hwakatarwa huri <6mm.
Hunhu hwekukanganiswa kwemachubhu emhando yeJR neJ0 hahuna kusimbiswa kunze kwekunge zvataurwa.
EN 10219 Welds mumapaipi esimbi eERW anogona kuyedzwa nekusarudza chimwe chezvinotevera.
EN 10246-3 kusvika padanho rekugamuchira E4, kunze kwekuti nzira yekutenderera chubhu/pancake coil haifanirwe kubvumidzwa;
EN 10246-5 kusvika padanho rekugamuchira F5;
EN 10246-8 kusvika padanho rekugamuchira U5.
Kuverengerwa kwehuremu hwedzidziso hwemachubhu eEN 10219 kunogona kuverengerwa pahuwandu hwechubhu hwe7.85 kg/dm³.
M=(DT)×T×0.02466
M ndiyo huremu hwehurefu hweyuniti imwe neimwe;
D ndiyo dhayamita yekunze yakatarwa, mayuniti mu mm;
T ndiyo ukobvu hwemadziro hwakatarwa, mayuniti mu mm.
Kushivirira paChimiro, Kururama uye Huremu
Kureba kweKushivirira
Machubhu echikamu chine maburi akagadzirwa zvichienderana neEN 10219 anogona kunamirwa.
Pakupinza, kupwanyika kunotonhora munzvimbo yekupinza ndiyo njodzi huru sezvo ukobvu, simba, uye CEV yechigadzirwa zvichiwedzera. Kupwanyika kunotonhora kunokonzerwa nekusanganiswa kwezvinhu zvakati wandei:
huwandu hwakawanda hwehydrogen inopararira musimbi inoweld;
chimiro chisina kusimba munzvimbo ine kupisa;
kushushikana kwakakosha mujoini rakasungirirwa.
Pamusoro pepombi yesimbi panofanira kunge pakapfava uye pasina chero zvikanganiso zvingakanganisa mashandiro echigadzirwa, zvakaita sekutsemuka, makomba, kukwenya, kana ngura.
Mabumps, grooves, kana shallow longitudinal grooves zvakagadzirwa nemaitiro ekugadzira zvinogamuchirwa chero bedzi ukobvu hwemadziro hwasara huri mukati mekutsungirira, chikanganiso chinogona kubviswa nekukuya, uye ukobvu hwemadziro hwakagadziriswa hunosangana nezvinodiwa nehukobvu hushoma.
Simbi yeBotopHaingopi machubhu esimbi emhando yepamusoro chete zvichienderana neEN 10219, asi inopawo sarudzo dzakasiyana-siyana dzekuputira pamusoro pemachubhu esimbi kuti zvienderane nezvinodiwa nevatengi vayo mumapurojekiti akasiyana einjiniya. Machubhu aya akagadzirirwa kuwedzera kuramba kwengura kwemachubhu uye kuwedzera dziviriro, nokudaro achiwedzera hupenyu hwebasa rawo.
Kunyudza nekupisa
Kuputira kwe3LPE (HDPE)
Kuputira kweFBE
Kupfeka kweVarnish
Kupenda Pendi
Kufukidza Kurema kweSimende
Zvikamu zvebhiriji: zvivakwa zvisiri zvekutanga zvinotakura mutoro zvinoshandiswa mumabhiriji, zvakaita semapuratifomu nemapuratifomu.
Mbiru dzekuvaka: matanda ekutsigira nematanda anoshandiswa mukuvaka nekugadzira zvivakwa.
Masisitimu emapaipi: mapaipi ekufambisa mvura nemagasi, kunyanya mukushandiswa kunoda kuchinjika uye kuramba ngura.
Zvivakwa zvenguva pfupi: zvitsigiro zvenguva pfupi nemafuremu akakodzera nzvimbo dzekuvaka nedzeinjiniya.
Mashandisirwo aya anoshandisa hunhu hwakanaka hwemakanika uye kugona kuchinjika kweS275J0H neS275J2H kuti zvigutse zvinodiwa nezvivakwa zvakareruka asi zvakagadzikana.
ASTM A500:Maitiro Akajairwa eMachubhu eSimbi yeCarbon Yakasungirirwa uye Isina Musono muMapombi neMaumbirwo Akatenderera.
ASTM A501: Zvakajairwa zveMachubhu esimbi yekabhoni yakasungirirwa uye isina musono.
EN 10210: Zvikamu zvesimbi zvisina alloy nesimbi dzakapfava zvakapedzwa zvinopisa.
EN 10219: Zvikamu zvesimbi zvisina alloy nesimbi dzakatetepa zvakasungirirwa zvakaungana zvakatonhora.
JIS G 3466: Simbi yekabhoni ine sikweya uye machubhu emakona mana ekugadzira chimiro chakazara.
AS/NZS 1163: Zvikamu zvesimbi zvine maburi zvakagadzirwa nechando.
Mitemo iyi inoshandiswa zvakanyanya pasi rese, uye inobatsira kuona kuti machubhu esimbi ekuvaka anosangana nezvinodiwa pakushanda mumabasa akasiyana-siyana einjiniya. Pakusarudza mwero wepombi yesimbi, zvakakosha kufunga nezvezvinodiwa pakushandiswa kwayo, mitemo yedunhu, uye zvinodiwa pakushanda.
ASTM A252 GR.3 Structural LSAW(JCOE) Carbon Steel Pipe
BS EN10210 S275J0H LSAW(JCOE) Pipe yeSimbi
ASTM A671/A671M LSAW Simbi Pombi
ASTM A672 B60/B70/C60/C65/C70 LSAW Kabhoni Simbi Pipe
API 5L X65 PSL1/PSL 2 LSAW Kabhoni Simbi Pipe / API 5L Giredhi X70 LSAW Simbi Pipe
EN10219 S355J0H Structural LSAW(JCOE) Steel Pipe
