EN 10219 S355J0Hiyakasungirirwa inotonhorapombi yesimbi ine mhango yekuvakaEN 10219, ine simba shoma regoho re355 MPa(ukobvu hwemadziro epombi ≤ 16 mm) uye simba rekukanda reinenge27 J pa 0°C.
Dzakagadzirwa dzichishandisa magetsi ekuwedera kana nzira dzekuwedera dzakanyudzwa pasi pemvura pasina chikonzero chekuzodziisa kupisa, dzakakodzera kushandiswa kwakasiyana-siyana mukuvaka nekugadzira, kusanganisira zvinhu zvakakosha zvekuvaka zvakaita semapombi ekutsigira nheyo.
BS EN 10219 ndiyo European Standard EN 10219 yakagamuchirwa neUK.
Inosanganisira yakasungirirwa inotonhoradenderedzwa, sikweya, rectangular, uye denderedzwazvikamu zvisina maburi zvechimiro.
CFCHS = chikamu chine mhango chakatenderera chakaita sechando;
CFRHS = chikamu chine mhango chinotonhora kana kuti cherectangular;
Isu tine hunyanzvi mukupa chikamu chemhando yepamusoro chedenderedzwa chine mhango (CHS) pombi yesimbi kuti ienderane nezvaunoda zvakasiyana-siyana zveinjiniya.
Ukobvu hwemadziro ≤40mm;
Denderedzwa: Dhayamita yekunze inosvika 2500 mm;
Zvikamu zvisina maburi zvinofanirwa kugadzirwa newelding yemagetsi kana welding ye arc iri pasi pemvura (SAW).
EN 10219 zvikamu zvisina maburi zvinofanirwa kuendeswa zvakaumbwa nechando pasina kurapwa kwekupisa kunotevera, asi ma weld anogona kunge ari mumamiriro e welded kana kuti akagadziriswa kupisa.
Kana tekinoroji yekuwedera arc yakanyudzwa mumvura ikashandisa, inogona kuiswa muzvikamu zviviriLSAW(SAWL(Longitudinal Submerged Arc Welding) uyeSSAW(HSAW(Spiral Submerged Arc Welding) zvichienderana nekwakatangira weld seam.
LSAWine mabhenefiti makuru mukugadzirwa kwedhayamita hombeuyemapaipi esimbi ane madziro akakorauye inonyanya kukodzera mamiriro ekushandiswa uko simba rakakwirira, mhando, uye zviyero zvakanyatsonaka zvinodikanwa zvakanyanya.
JCOEinzira yakakosha uye inomiririra mukugadzirwa kwepombi yesimbi yeLSAW. Zita renzira iyi rinobva pamatanho mana makuru ekugadzira pombi: J-forming, C-forming, O-forming, uye Expanding.
Isu tiri vagadziri vemapaipi esimbi ecarbon emhando yepamusoro uye vatengesi vanobva kuChina, uye tiri vagadziri vemapaipi esimbi asina musono, tichikupai mhinduro dzakasiyana-siyana dzemapaipi esimbi!
Kuongorora Vatambi
Kuongororwa kwemakemikari kwezvinhu zvakagadzirwa nesimbi
S355J0H Kukosha kwakanyanya kwekabhoni (CEV): 0.45%.
CEV = C + Mn/6 +(Cr + Mo + V)/5 + (Ni + Cu)/15.
Kuongorora Chigadzirwa
Kuongororwa kwemakemikari ezvikamu zvisina chinhu zvakapedzwa
Kutsauka kwekuongorora chigadzirwa kubva pamiganhu yakatarwa yekuongorora kwekukanda kunofanira kuenderana nezvinodiwa zviri pazasi.
Kuderedza kushushikana kwemhepo pakupisa kunopfuura 580°C kana kweanopfuura awa imwe chete kunogona kukonzera kuora kwehunhu hwemuchina.
Kuyedzwa kwekudhonza kunofanira kuitwa zvichienderana neEN 10002-1.
Kuedzwa kwemhedzisiro yechinhu kunofanira kuitwa zvichienderana neEN 10045-1.
a Hunhu hwemhedzisiro hunosimbiswa chete kana Sarudzo 1.3 yatsanangurwa.
c Pamasaizi echikamu D/T < 15 (denderedzwa) uye (B+H)/2T < 12,5 (sikweya uye rectangular) kureba kushoma kunoderedzwa ne2.
d Kune ukobvu < 3 mm ona 9.2.2.
e Kuti uwane hunhu hwekurova kwezvikamu zvebvunzo zvakaderedzwa ona 6.7.2.
Zvinyorwa: Kuedzwa kwemhedzisiro hakudiwi kana ukobvu hwakatarwa huri <6mm.
Maweld ari muzvikamu zvakasungirirwa nearc zvakanyungudutswa pasi pevhu anofanira kuyedzwa zvichienderana neEN 10246-9 kuti abvumirwe kirasi U4 kana kuti neX-ray zvichienderana neEN 10246-10 kuti awane mufananidzo wekirasi R2.
Kuedzwa kweNDT(RT)
Kuedzwa kweNDT(UT)
Kuedzwa kweHydrostatic
Tinoshandisa nzira dzakasiyana-siyana dzekuedza dzisingaparadzi uye bvunzo dze hydrostatic pressure kuti tive nechokwadi chekuti pombi yega yega yakasimba uye inogara kwenguva refu. Tinopa vatengi vedu zvigadzirwa zvepombi dzesimbi zvinosangana nemazinga epamusoro ekuchengetedza uye kuvimbiswa kwemhando yepamusoro.
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.
EN 10219 mapaipi esimbi akakodzera kushandiswa pakupisa galvanizing. Sarudzo inogona kuitwa zvichienderana nezvinodiwa chaizvo.
Inofanira kuva nepamusoro pakanyatsotsetseka zvinoenderana nenzira yekugadzira yakashandiswa; maburi, maburi, kana migero isina kudzika inobva mukugadzirwa kwayo inobvumirwa chero bedzi ukobvu hwayo hwasara huchienderana nezvinodiwa.
Zvikanganiso pamusoro zvinogona kubviswa nekukuya, chero bedzi ukobvu hwechikamu chakagadziriswa chisina kudzika kupfuura ukobvu hunodiwa hwakatarwa muEN 10219-2.
Kushivirira paChimiro, Kururama uye Huremu
Kureba kweKushivirira
Kureba kweWeld
Kureba kweweld kunoshanda chete kumachubhu eSAW.
| Ukobvu, mm | Kureba kwakanyanya kwe weld bead, mm |
| ≤14,2 | 3.5 |
| >14,2 | 4.8 |
EN 10219 S355J0H pombi yesimbi chinhu chakasimba uye chinodzivirira ngura chakakodzera zvivakwa zvakasiyana-siyana zvekuvaka neinjiniya, kusanganisira mashandisirwo emapombi.
1. Murwi wePaipi: Pombi yesimbi yeS355J0H inonyanya kukodzera kushandiswa semakomba ehwaro nekuda kwesimba rayo uye kuramba kwayo ngura uye inoshandiswa zvakanyanya mukuvaka maburi emvura, mabhiriji, nheyo dzekuvaka, uye mamwe mapurojekiti anoda nheyo dzakadzika.
2. Zvivako zvekuvaka: Inoshandiswa zvakanyanya pazvinhu zvakaita semapuranga, makoramu anotsigira, uye matanda ezvivakwa.
3. Kutakurwa kwepaipi: Yakakodzerawo kushandiswa sepaipi yekufambisa mafuta negesi munzvimbo refu. Zvisinei, inowanzo putirwa kuti iwedzere hupenyu hwebasa, semuenzaniso 3LPE, FBE, galvanized, nezvimwewo.
4. Michina yekuvaka: Inogona kushandiswa kugadzira mabhureki nezvikamu zvemichina yakasiyana-siyana yekuvaka.
5. Nzvimbo dzeveruzhinji: zvakaita semabhureki munhandare dzemitambo nedzimwe nzvimbo dzekutsigira zvivakwa zvikuru zveveruzhinji.
EN 10210 S355J0H: Chikamu chine mhango chezvivakwa zvakasungirirwa zve thermoforming. Kunyangwe ichinyanya kushandiswa pa thermoforming, maumbirwo ayo emakemikoro uye hunhu hwayo hwemakanika zvakafanana nehwe S355J0H uye inogona kushandiswa sechinhu chakaenzana.
ASTM A500 Giredhi C: Inoshandiswa mukugadzira machubhu akasungirirwa kana asina musono akaumbwa nechando, akaenzana, uye akaenzana ekushandisa muchimiro. ASTM A500 Giredhi C inopa goho rakafanana uye simba rekusimba rekusimba kwezvivakwa zvekuvaka nekugadzira michina.
CSA G40.21 350W: Iyi itsanangudzo yeCanadian Standards Association inofukidza mhando dzakasiyana dzesimbi dzekuvaka. Simbi yemhando ye350W ine simba rakafanana neS355J0H.
JIS G3466 STKR490: Ichi chinhu chechubhu chine sikweya uye rectangular chekushandiswa kwechivakwa sezvakatsanangurwa muJapanese Industrial Standard (JIS). Chakakodzera kuvaka zvivakwa uye mabasa emakanika.
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 zvinoenderana nazvo, zvinosanganisira mapaipi esimbi asina musono, ERW, LSAW, uye SSAW, pamwe chete nehurongwa hwakazara hwemapipi nemaflange. Zvigadzirwa zvayo zvehunyanzvi zvinosanganisirawo alloys dzemhando yepamusoro nesimbi dzisina ngura dzinogadzirwa neaustenitic, dzakagadzirirwa kusangana nezvinodiwa nemapurojekiti akasiyana-siyana emapaipi.
ASTM A252 GR.3 Structural LSAW(JCOE) Carbon Steel Pipe
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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
