Twandikire kugira ngo ubone ibisobanuro bishya by'imiyoboro y'ibyuma n'ingano.
Imiyoboro y'icyuma ya ASTM A252 Gr 3 SSAW / LSAW yo gukwirakwiza umuyaga mu buryo bwimbitse, ikiraro, icyambu n'imishinga y'umuyaga wo mu mazi
| Ibipimo ngenderwaho by'ibikoresho | Icyiciro cya 3 cya ASTM A252 |
| Imbaraga z'umusaruro | ≥310 MPa |
| Ingano / Ingano | Ingano y'inyuma: 219 mm – 3000 mm (ishobora guhindurwa) |
| Ubunini bw'urukuta | 6 mm – 40 mm (ishobora guhindurwa) |
| Uburebure | Igurishwa rya metero 6 na metero 12; Uburebure bwihariye burahari |
| Ubwoko bw'umuyoboro / Gusudira | SSAW (Ifite Umusemburo w’Inkuta Usutswe mu Mutwe) / LSAW (Ifite Umusemburo w’Inkuta / EFW) |
| Ubwihangane mu Bipimo | Ihuye na ASTM A252 |
| Icyemezo cy'ubuziranenge | Raporo y'igenzura rya ISO 9001; SGS / BV ry'umuntu wa gatatu irahari |
| Kurangiza ubuso | Ibara ry'umukara, rishyushye cyane, ryasizwe irangi, cyangwa rikozwe mu buryo bwihariye |
| Porogaramu | Kubaka umusingi, ibiraro, ibyambu, imirima y'umuyaga yo mu mazi n'iyo mu nyanja, imishinga ikomeye y'ubwubatsi bw'ibyatsi |
Amakuru ya tekiniki
Imiyoboro y'icyuma ya ASTM A252Ibikoresho bya shimi
| Igice | Ibikubiye (%) |
| Karuboni (C) | 0.26 ntarengwa |
| Manganese (Mn) | 0.85 – 1.60 |
| Fosifore (P) | 0.04 ntarengwa |
| Sulfure (S) | 0.05 ntarengwa |
| Silikoni (Si) | 0.10 – 0.35 |
| Umuringa (Cu) | 0.20 – 0.30 (ni ngombwa mu kwirinda ingese) |
Imiyoboro y'icyuma ya ASTM A252Imitungo ya Mekanike
| Umutungo | Ibisabwa / Agaciro |
| Imbaraga z'umusaruro (Iminota) | 207 MPa (30 ksi) |
| Imbaraga zo Gukurura | 345 – 455 MPa (50-66 ksi) |
| Uburebure (muri mm 200) | ≥20% |
| Ikizamini cy'ingaruka (Charpy V-Notch) | Ntabwo ari itegeko ku bunini bwose; ni ngombwa ku mishinga ikoresha ubushyuhe buke cyangwa ikoreshwa mu mahanga |
| Ubukomere | Brinell isanzwe: 110–180 HB |
| Umutungo | Icyiciro cya 1 | Icyiciro cya 2 | Icyiciro cya 3 |
| Ingufu nke z'umusaruro | 30.000 psi (207 MPa) | 35.000 psi (241 MPa) | 45,000 psi (310 MPa) |
| Imbaraga nke zo gukurura | 50.000 psi (345 MPa) | 60.000 psi (415 MPa) | 66.000 psi (455 MPa) |
| Uburebure buke (igipimo cya santimetero 2) | 18% | 14% | 20% |
| Ibisobanuro Bisanzwe byo Kohereza mu mahanga (Icyiciro cya 3 Kizwi Cyane) | |||||
| NPS | OD (mm) | Ubunini bw'urukuta | Uburemere (kg/m2) | Gahunda Isanzwe | Porogaramu y'ibanze |
| 16" | 406.4 | 0.375" (9.52mm) | 92.5 | indwara zandurira mu mibonano mpuzabitsina | Ibibuga by'indege, inyubako rusange |
| 16" | 406.4 | 0.500" (12.70mm) | 121.8 | 40 | Imisingi y'umuyaga wo mu mazi, inkuta z'ibiraro |
| 18" | 457 | 0.500" (12.70mm) | 137.4 | 40 | Inyubako zikomeye z'inganda, ishingiro rirerire |
| 24" | 609.6 | 0.500" (12.70mm) | 183.2 | 40 | Ibirundo binini by'umurambararo, inyubako zo mu nyanja |
| 24" | 609.6 | 0.750" (19.05mm) | 271.8 | XS | Porogaramu ziremereye cyane, gutwara amabuye |
| 30" | 762 | 0.625" (15.88mm) | 287.5 | 40 | Platifomu zo mu mazi, ishingiro rya LNG |
| 36" | 914.4 | 0.750" (19.05mm) | 392.3 | 40 | Imishinga minini, ibiraro byambukiranya inyanja |
| Uburyo bwo gukora ugereranije n'ubushobozi bw'ingano | |||||
| Inzira | OD ntarengwa (mm) | Uburemere ntarengwa (mm) | Intera y'uburebure (m) | Kunoza Ikiguzi | Ibyiza Kuri |
| SSAW (Izingiro) | 3200 | 30 | 6-18 | Hejuru cyane | Umurambararo munini, ubugari buringaniye bw'urukuta (16"-48") |
| LSAW (JCOE) | 1422 | 50 | 6-15 | Hejuru | Urukuta rufite ubunini bwinshi (≥1.0"), rusaba imbaraga nyinshi |
| ERW | 660 | 25 | 6-12 | Hagati | Ubugari buto kugeza kuri buringaniye, ubugari busanzwe bw'urukuta |
| Nta muvuduko | 1016 | 100 | 6-12 | Hasi cyane | Ikoreshwa ry'ingenzi, ibidukikije byangiza |
Kanda kuri buto iri iburyo
1. Inkingi z'inkuta: Ishingiro ry'inkuta zo munsi y'ubutaka ku nyubako ndende, uruganda, ububiko, ubucuruzi cyangwa amazu yo guturamo. Ishingiro ry'inyubako rikwiriye ubwoko bwose bw'inyubako.
2. Ishingiro ry'ibirundo by'ibiraro: Ishingiro ry'imizigo ku biraro by'imihanda minini, gari ya moshi n'ibiraro byo mu mijyi. Ishingiro ry'uruzi rw'ibihogo, irya lacustrine, n'iry'ibirundo byo mu mazi.
3. Kubaka icyambu: Ishingiro ryikoresho ritwara imizigo ku byambu, aho amato akorera, n'aho bashyira imizigo. Imashini ziremereye n'ibikoresho byo gutwara imizigo ku cyambu.
4. Ubwubatsi bw'amazi n'imishinga y'ingufu z'umuyaga zo mu mazi: Ishingiro ry'ibyuma by'umuyaga byo mu nyanja. Igishushanyo mbonera cy'inkunga ku mbuga zo mu nyanja, imiyoboro yo mu nyanja, inkuta z'inyanja, nibindi. Kurwanya amazi, kurwanya imiraba no kurwanya ingese zo mu nyanja.
5. Ubwubatsi bw'ubwubatsi bunini, Imigozi minini:Imirimo minini y’ubwubatsi (nk’ingomero, sitasiyo zo munsi y’ubutaka, n’imiyoboro y’amazi) isaba ishingiro rirerire rikoresha imirundo minini. Inkunga ku mitwaro y’inganda, imashini n’inyubako.
1) Ibiro by'ishami - Inkunga y'abavuga Icyesipanyoli, ubufasha bwo kwishyura ibicuruzwa bya gasutamo, n'ibindi.
2) Hari toni zisaga 5.000 z'ibicuruzwa, bifite ingano zitandukanye
3) Igenzurwa n'imiryango yemewe nka CCIC, SGS, BV, na TUV, hamwe n'ibipfunyika bisanzwe byo mu mazi
1. Gupfunyika:Imigozi y'icyuma yoroshye kuyifata. Ibyuma by'imbaho cyangwa uduce duto bishyirwa hagati y'uduce kugira ngo birinde kwangirika mu gihe cyo kubitwara. Gutunganya ubuso (ni ngombwa): Irangi ry'umukara, amavuta y'ingese, umuzingo wa pulasitiki. Ibirundo bishyushye bishobora no gupfukwaho agapira ko kurinda ubuso by'agateganyo. Dushobora kandi gutanga ipaki yihariye.
2. Gutanga:Uburebure busanzwe bwa stoke: metero 6, metero 12. Uburebure bwihariye bujyanye n'umushinga wawe. Bikwiriye gutwara abantu mu mazi no mu muhanda. Igihe cyo gutangira gukora ubusanzwe ni iminsi 15-30 nyuma yo kwishyura, kugeza ibicuruzwa bitanzwe kare hakurikijwe ingano n'ibisobanuro. Bikwiriye koherezwa mu mahanga hirya no hino ku isi hamwe n'inyandiko yuzuye (icyemezo cy'igenzura, urutonde rw'ibipakiye, inyemezabwishyu y'imizigo).
Ingamba zo kwirinda:
1. Imashini itwara imizigo cyangwa imashini ifite imigozi cyangwa inkweto zifata imizigo bigomba gukoreshwa kugira ngo hirindwe ko umuyoboro wangirika mu miyoboro yo mu bwoko bwa Handling Peoperties.
2. Bika ahantu hakonje, humutse kandi hafite umwuka mwiza wo kubika, bitabaye ibyo hashobora kwangirika mbere yo gushyiraho. Ku bipaki binini/biremereye cyane, nyamuneka kurikiza amabwiriza yo kohereza ibicuruzwa mu gace utuyemo neza.
1. Imiyoboro y'icyuma ya ASTM A252 Grade 3 ni iki?
Imiyoboro y'icyuma ya ASTM A252 yo mu rwego rwa 3ni imiyoboro y'icyuma ishongeshejwe kugira ngo ikoreshwe nk'inkingi y'urufatiro rwimbitse munsi y'inyubako, ibiraro, ibyambu, n'ubuhanga bwo mu nyanja. Hari inzira ebyiri zo gusudira kuri iyi miyoboro: umuyoboro wo gusudira wa arc ushongeshejwe na helical (SSAW) cyangwa umuyoboro wo gusudira wa arc ushongeshejwe na longitudinal (LSAW/EFW).
2. Ni ingano n'uburebure ki biboneka?
Umurambararo wo hanze: 219 mm - 3000 mm (XXL/ingano nini y'umurambararo irahari) Ubunini bw'urukuta: 6-40 mm. Uburebure busanzwe bw'ibikoresho ni metero 6 na metero 12, kandi uburebure bwihariye burashobora gutangwa iyo ubisabye.
3. Ni ibihe bipimo ngenderwaho by'ibikoresho n'imiterere ya mekanike?
Ibikoresho Bisanzwe: ASTM A252 Icyiciro cya 3
Ingufu z'umusaruro: ≥345 MPa
Ingufu zo gukurura: 455~620 MPa
Uburebure: ≥20%%
4. Ese nshobora kubona icyemezo cy'ubuziranenge n'igenzura?
Yego, imiyoboro yose y'ibyuma ifite icyemezo cya ISO 9001. Inyandiko zose zisabwa harimo na raporo z'abandi ziturutse kuri SGS, BV cyangwa urundi rwego rwemewe.
5. Imiyoboro y'ibyuma ipakiye gute?
Ipfunyika imiyoboro y'icyuma ikoresheje igitambaro cy'icyuma hanyuma ikagishyira mu mwanya wacyo nta cyangiritse. Gupfunyika/gupfunyika cyangwa/n'ibindi byavuzwe haruguru birasabwa hakurikijwe uburyo bwo kohereza. Hari ipaki yihariye.
6. Igihe cyo gutanga ni ikihe?
Igihe cyo kohereza: Iminsi 15-30 nyuma yo kwemeza ibyo watumije (biterwa n'ingano, imiterere n'aho ugana).
7. Ese birashoboka guhindura ingano?
Yego, umurambararo n'ubugari bw'urukuta bishobora guhindurwa hakurikijwe ibisabwa n'abakiriya.
Amakuru y'aho uherereye
Aderesi
Agace k'inganda ziteza imbere Kangsheng,
Intara ya Wuqing, umujyi wa Tianjin, Ubushinwa.
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