Ko te putorino rino hinu he momo rino roa me te waahanga tuwhera me te kore he hononga a tawhio noa, ko te paipa pakaru hinu he ahua o te wahanga ohaoha maitai.Tuhinga: e whakamahia nuitia ana i roto i te hangahanga o nga waahanga hangahanga me te miihini, penei i te putorino hinu hinu, te taraiwa motuka. te rakau, te anga paihikara me te scaffolding maitai e whakamahia ana ki te hanga, me etahi atu.Ma te whakamahi i te ngongo pakaru hinu ki te hanga i nga waahanga mowhiti ka taea te whakapai ake i te tere o te whakamahi rauemi, te whakangawari i te mahi hangahanga, te penapena rauemi me te wa tukatuka, penei i te whakakai whakakai, te ringaringa jack, me etahi atu. kua whakamahia whānuitia ki te hanga paipa maitai.Petroleum ngongo anganga ranei te momo o patu tikanga rawa rawa, oko, oko, me te pera i runga i ki te ngongo pakaru hinu ki te manufacture.Petroleum hangai putorino taea te wehea ki putorino a tawhio noa me te putorino motuhake-ahua rite ki te te ahua o te waahi whiti.Na te mea ko te waahi o te putorino pakaru hinu te mea nui rawa atu he rite te paenga, ka nui ake te wai ka taea te kawe me te paipa porohita.

Kua wehea te API 5CT ki K55, N80, L80, P110 me etahi atu tohu maitai.

Ngongo J55 (37Mn5)

Pūtake J55 (37Mn5)

Paipa hono J55 (37Mn5)

Ko te paipa rino hinu (GB/T9948-88) he paipa maitai mo te ngongo oumu, te whakawhiti wera me te paipa i roto i te parapara hinu.

Ko te putorino maitai mo te keri matawhenua (YB235-70) ka whakamahia mo te keri matua e te tari matawhenua, ka taea te wehea ki roto i te putorino, te kara, te putorino matua, te putorino o te putorino me te paipa o te rerenga i runga i tana whakamahinga.

Paerewa whakatinana paipa maitai kore

2. Pupa maitai tui whenua mo te kawe wai: GB8163-99;3. He paipa maitai mo te kohu: GB3087-1999;4.

5, taputapu tongi mo te pehanga teitei putorino maitai tui: GB / T6479-1999 6, keri matawhenua mo te paipa maitai tui: YB235-70 7, keri hinu mo te putorino maitai tui: YB528-65 8, te pakaru o te hinu paipa maitai: GB9948- 88

Putorino maitai mokowhiti mo te haurua o te waka: GB3088-1999 11. Pupa maitai mo te kaipuke: GB5312-1999 12. He paipa paipa mo te kaipuke: GB/T3639-1999.

13, nga momo paipa maitai tuitui katoa 16Mn, 27SiMn,15CrMo, 35CrMo, 12CrMov, 20G, 40Cr,12Cr1MoV,15CrMo

I tua atu, Kei kona ano GB / T17396-1998 (nga ngongo maitai wera-hurihia mo te tautoko waipēhi), GB3093-1986 (te teitei-pēhanga ngongo maitai mo te miihini diesel), GB / T3639-1983 (te makariri-mao, te makariri ranei- ngongo maitai tuitui i whakatakahia), GB/T3094-1986 (ngongo rino tuitui matao, ngongo maitai-ahua motuhake), GB/T8713-1988(Precision i roto i te diameter o nga ngongo maitai tuitui mo te waipēhi me te pneumatic cylinders), GB13296-1991 (kore) ngongo kowiri tira mo nga kohu me nga whakawhiti wera), GB/T14975-1994 (nga ngongo kowiri tira mo te hanganga), GB/T14976-1994 (nga ngongo kowiri tira mo te kawe wai) GB/T5035-1993 (motika)Ngongo maitai mo putorino ngahere), API SPEC5CT-1999 (whakaahua mo te pouaka me te ngongo), etc.