Taura nesu kuti uwane zvitsvaMapombi eSimbiMagadzirirwo uye Zviyero.
Mutengesi wemapaipi esimbi eASTM A500 Grade B/C muChina | SSAW / LSAW Structural Steel Pipe yekushandisa pakurongedza
| Chimiro cheChigadzirwa | Magadzirirwo ehunyanzvi (ASTM A500 Giredhi B / Giredhi C) |
| Maitiro Ekugadzira | • ERW (Yakasungirirwa neKudzivirira Magetsi) • LSAW (Longitudinal Submerged Arc Welded) • SSAW (Spiral Submerged Arc Welded) |
| Dhayamita Yekunze (OD) | 1/4" kusvika 88" (13.7 mm – 2235 mm) / Inogona kugadziriswa kuti ishandiswe pakutsvaga tsoka dzepurojekiti |
| Ukobvu hwemadziro (WT) | 1.65 mm kusvika 25.4 mm (Purogiramu 10 kusvika paPurogiramu XXS) |
| Sarudzo dzeKureba | • Hurefu Hwakatarwa: 6.0m, 12.0m, 20 ft, 40 ft • Kureba Kusina Kurongeka (SRL) & Kureba Kusina Kurongeka Kaviri (DRL) • Hurefu hwakagadziriswa hunosvika mamita 18+ |
| Zvivakwa zveMichina | [Mapombi Akatenderera - Giredhi B]: • Simba reKuburitsa: Minimum. 42,000 psi (290 MPa) • Simba reKubata: Minimum. 58,000 psi (400 MPa) • Kureba: Minimum. 23%[ Mapombi Akatenderera - Giredhi C]: |
| Kuumbwa kweMakemikari | [Giredhi B]: C ≤ 0.26%, Mn ≤ 1.35%, P ≤ 0.035%, S ≤ 0.035% [Giredhi C]: C ≤ 0.23%, Mn ≤ 1.35%, P ≤ 0.035%, S ≤ 0.035% (Sarudzo: Copper Cu ≥ 0.20% yekudzivirira ngura mumhepo) |
| Kushivirira kwehukuru | • Dhayamita yekunze (OD): ±0.75% (yemasaizi ≥ 2 inches) • Ukobvu hwemadziro: ± 10% yeukobvu hwezita • Kutwasuka: ≤ 1/8" × (Hurefu hwese hwetsoka / 5) |
| Kupedzisa Kwepamusoro & Kurwisa Kuora | • Nzvimbo isina chinhu/isina mafuta nhema • Kuchenesa Varnish Kunodzivirira Ngura / Kupenda Nhema • Yakanyudzwa neHot-Dip Galvanized (HDG) – Huremu hweZinc hunosvika 550g/m² • Mapendi Epamusoro: 3PE, FBE (Fusion Bonded Epoxy) |
| Kugumisa Kugadzira | Migumo isina kuvharwa, Migumo yakachekwa, Mapureti ekupedzisira akasungirirwa, Shangu dzinofambisa dzakaita seConical, Mhete dzekutsigira, Maburi akaboorwa, uye maLifting lugs |
| Magwaro Emhando Yepamusoro | Chitupa Chekuyedza Chigayo (MTC) chinoenderana neEN 10204 3.1, NDT (Ultrasonic/X-ray) Mishumo, uye Kusimbiswa Kwebato Rechitatu (SGS, BV, TUV, Intertek) |
Ruzivo rweUnyanzvi
Mapombi esimbi eASTM A500Kuumbwa kweMakemikari
| Chinhu | Giredhi A (%) | Giredhi B (%) | Giredhi C (%) |
| Kabhoni (C), yakakwira | 0.26 | 0.26 | 0.23 |
| Manganese (Mn), yakakwira | 1.35 | 1.35 | 1.35 |
| Phosphorus (P), yakakwira | 0.035 | 0.035 | 0.035 |
| Sarufa (S), huwandu hwepamusoro | 0.035 | 0.035 | 0.035 |
| Mhangura (Cu), min ① | 0.2 | 0.2 | 0.2 |
Mapombi esimbi eASTM A500Zvivakwa zveMechanical
| Giredhi | Simba reKusimba (miniti) | Simba reKubereka (miniti) | Kureba mu 2" (50mm), min |
| A | 45,000 psi (310 MPa) | 39,000 psi (269 MPa) | 25% |
| B | 58,000 psi (400 MPa) | 46,000 psi (315 MPa) | 23% |
| C | 62,000 psi (425 MPa) | 50,000 psi (345 MPa) | 21% |
| Magadzirirwo Akajairika Ekutumira Kunze (Giredhi 3 Anonyanya Kufarirwa) | |||||
| NPS | OD (mm) | Ukobvu hwemadziro | Kurema (kg/m2) | Purogiramu Yakajairika | Kushandiswa Kwakakosha |
| 16" | 406.4 | 0.375" (9.52mm) | 92.5 | STD | Zviteshi zvechiteshi, kuvakwa kwakajairika |
| 16" | 406.4 | 0.500" (12.70mm) | 121.8 | 40 | Nheyo dzemhepo dziri kunze kwegungwa, maburiro emabhiriji |
| 18" | 457 | 0.500" (12.70mm) | 137.4 | 40 | Zvivako zvemaindasitiri zvinorema, nheyo dzakadzika |
| 24" | 609.6 | 0.500" (12.70mm) | 183.2 | 40 | Mapombi makuru, zvivakwa zvegungwa |
| 24" | 609.6 | 0.750" (19.05mm) | 271.8 | XS | Zvishandiso zvinorema zvakanyanya, kutyaira dombo |
| 30" | 762 | 0.625" (15.88mm) | 287.5 | 40 | Mapuratifomu ekunze, nheyo dzeLNG terminal |
| 36" | 914.4 | 0.750" (19.05mm) | 392.3 | 40 | Mapurojekiti makuru, mabhiriji ekuyambuka gungwa |
| Maitiro Ekugadzira vs. Kugona Kwehukuru | |||||
| Maitiro | OD Yakanyanya (mm) | Huremu Hwakanyanya (mm) | Hurefu hwehurefu (m) | Kushanda Nemutengo Wakanaka | Zvakanakira |
| SSAW (Spiral) | 3200 | 30 | 6-18 | Yepamusoro-soro | Dhayamita hombe, ukobvu hwemadziro huri pakati nepakati (16"-48") |
| LSAW (JCOE) | 1422 | 50 | 6-15 | Yakakwirira | Madziro akakora zvakanyanya (≥1.0"), anodiwa nesimba rakawanda |
| ERW | 660 | 25 | 6-12 | Pakati nepakati | Diki kusvika pakati nepakati, ukobvu hwemadziro hwakajairika |
| Musono | 1016 | 100 | 6-12 | Yakaderera | Mashandisirwo akakosha, nharaunda dzinoparadza |
Dzvanya Bhatani riri Kurudyi
Kusagadzikana kwengura ndeimwe yezvinhu zvakakosha pakuita mapurojekiti emugungwa nemahombekombe.
Royal Steel Group inopa nzira dzakasiyana-siyana dzekudzivirira ngura:
Pamusoro peSimbi Nhema
Yakakodzera kuvakwa mukati menyika uye kugadziriswa kwechipiri.
Kuputira kweFusion Bonded Epoxy (FBE)
Inopa kusimba kwakanaka kwemakemikari uye inodzivirira kwenguva refu.
Sisitimu Yekuputira ye3PE
Zvinosanganisira:
Epoxy primer
namira rukoko
Polyethylene yekunze
Sisitimu iyi inoshandiswa zvakanyanya mumapurojekiti egungwa, zvivakwa zvegungwa, uye nheyo dzemapaipi.
1. Nheyo dzeMadziro ePasi pevhu:Nheyo dzemurwi dzechivakwa chezvivakwa zvine nhurikidzwa dzakawanda, mafekitori, matura, zvivakwa zvemabhizinesi nedzimba dzekugara (zvakakodzera chero rudzi rwechivakwa).
2. Nheyo dzeBridge Pile:Nheyo dzakasimba dzemabhiriji emigwagwa mikuru, mabhiriji ezvitima nemabhiriji emumaguta; dzakakodzera mabhiriji akareruka, akasimba kana kuti anoyangarara anotenderera nzizi, madhamu nemakungwa.
3. Kuvakwa kweChiteshi:Nheyo dzakavimbika dzezviteshi zvengarava, nzvimbo dzekugadzira ngarava uye mapuratifomu echiteshi, pamwe chete nenzvimbo dzekutakura zvinhu zvinorema nemidziyo inorema.
4. Mapurojekiti eMagetsi eMhepo neMainjiniya eMarine neOffshore:Zvigadzirwa zvemaindasitiri emugungwa nematurbine emhepo ari kunze kwegungwa, asingapindi mafungu, mafungu uye ngura yemugungwa.
5. Mainjiniya Ekuvaka Akakura:Mirwi inorema zvikuru yemapurojekiti makuru einjiniya ehurumende akadai semadhamu, zviteshi zvepasi pevhu, matuneri, pamwe chete nemichina yeindasitiri nemitoro yezvivakwa.
1) Hofisi yeBazi - rubatsiro rwevanhu vanotaura chiSpanish, rubatsiro rwekubvisa zvinhu kubva kumitero, nezvimwewo.
2) Matani anopfuura 5,000 emutoro aripo, ane saizi dzakasiyana-siyana
3) Inoongororwa nemasangano ane chiremera akadai seCCIC, SGS, BV, uye TUV, ine mapurasitiki akajairika anokodzera kufamba mugungwa
1. Kurongedza:
Zvidhinha zvematanda kana kuti dunnage zvinoshandiswa pakati pezvikamu zvemabhegi ekurongedza kana midziyo kudzivirira kukuvara panguva yekutakura.
Kugadzirisa pamusoro (sarudzo): Pendi nhema, mafuta anodzivirira ngura, kana mapurasitiki.
Mapombi esimbi anonyudzwa nekupisa anogona kufukidzwa nefirimu rekudzivirira kwenguva pfupi kudzivirira kukwenya pamusoro.
Kurongedza kwakagadzirirwa iwe kunowanikwa.
2. Kutakurwa:
Kureba kwezvishandiso: mamita matanhatu, mamita gumi nemaviri. Kureba kusingawanzo kuwanikwawo kana purojekiti ikakumbirwa.
Yakakodzera kutakura vanhu mugungwa, njanji, kana mugwagwa.
Nguva yekutumira inowanzo kuve mazuva gumi nemashanu kusvika makumi matatu mushure mekugamuchira muripo, zvichienderana nerudzi rwechigadzirwa uye zvirevo.
Yakakodzera kutengeswa kunze kwenyika pasi rose, ine magwaro akazara (chitupa chekutevedzera mitemo, runyorwa rwezvinhu zvinoiswa, gwaro rekutakura zvinhu).
3. Kubata Nhungamiro:
Batanidza mapaipi zvakasimba uchishandisa crane kana forklift ine zviremberedzwa kana zviremberedzwa kudzivirira kuputsika.
Chengeta mapaipi munzvimbo yakaoma, ine mhepo inofefetera, uye inotonhorera usati waisa kudzivirira ngura.
Zvinhu zvakakura/zvakawandisa zvinofanirwa kutevedzera mitemo yekufambisa yemuno.
1. Sei ASTM A500 yakakodzera mapombi ehwaro hwakadzika?
ASTM A500 ipombi yesimbi yakagadzirwa nechando ine mativi akasimba, ine simba rakawanda kubva pahuremu, uye inoshanda zvakanaka, zvichiita kuti pave nemazvo makomba ehwaro akadzika ekuvaka zvinhu zvinorema.
2. Ndeupi musiyano uripo pakati peASTM A500 Grade B neASTM A500 Grade BGiredhi C?
Giredhi B: Simba remukoho diki 42,000 psi (290 MPa), rakakodzera mirwi iri pasi pemitoro yemazuva ose.
Giredhi C: Simba remubereko wakaderera, kusvika ku46,000 psi (317 MPa), kabhoni yakaderera, yakakodzera mapurojekiti ane mutoro wakawanda, uye inogona kusungirirwa zvakanaka.
3. Ndeipi musiyano uripo pakati peASTM A500 neASTM A252 pamapombi enheyo?
A252 ndiyo nzira yakajairika yekushandisa pombi; A500 ine miganhu yakasimba uye ine nzvimbo yakatsetseka, zvichiita kuti ive yakakodzera nheyo dzakavhurika, dzegungwa, uye dzakanyatsogadzirwa.
4. Mirwi yesimbi yeA500 inogona kusungirirwa mumunda here?
Ehe. Kudzora huwandu hwekabhoni nemanganese kunoderedza kufanana kwekabhoni, kudzivirira kupwanyika kwechando, uye kunorerutsa kupwanyika panzvimbo yacho.
5. Ndeapi marudzi ezvipfeko zvinodzivirira ngura zvakakodzera nzvimbo dzemugungwa/dzakavhurika?
Sarudzo nhatu huru: Balck oil, 3PE coating, uye FBE coating, yakakodzera nzvimbo dzinopisa dzegungwa/dzegungwa.
6. Unogona kugadzirisa mashandiro acho zvichienderana nedhirowa dzepurojekiti here?
Ehe, tinogona kupa: dhayamita/ukobvu hwemadziro hwakagadziriswa, kureba kwekucheka kwakatarwa, mabhebhu, maplate ekupedzisira, mabhesi ekutyaira, uye mabhegi ekusimudza.
7. Ndezvipi zvitupa zvemhando yepamusoro zvinopihwa kana zvatumirwa?
Tinopa chitupa cheEN10204 3.1 chekuongorora zvinhu (MTC); tinogamuchira kuongororwa kwezvisati zvatumirwa kubva kumasangano echitatu akadai seSGS/BV/TUV/DNV.
Ruzivo rwekuonana
Kero
Nzvimbo yeindasitiri yekuvandudza Kangsheng,
Wuqing dunhu, Tianjin guta, China.
Runhare
Maawa
Muvhuro-Svondo: Basa remaawa makumi maviri nemana











