Petroleum maitai putorino Ko te ahua o te maitai roa ki te wāhanga tuwhera, me te kore hononga a tawhio noa, i te hinu hangai putorino ko te ahua o te wāhanga ohaoha steel.Tranga: whakamahia whānuitia i roto i te hanga o te hanganga me te miihini wahi, pērā i te putorino drill hinu, waka puku puku, anga paihikara me te scaffolding maitai whakamahia i roto i te hanga, etc.Ma te whakamahi i te hinu hangai ngongo ki te whakangao i te wa whakangao, ka taea e koe te whakapai ake i te wa whakangao rauemi, hei whakaora i nga waahanga whakangao, hei whakapai ake i nga waahanga whakangao. okeoke mowhiti amo, Jack ringaringa, me ētahi 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 hinu ngongo hangai ki te manufacture.Petroleum hangai putorino taea te wehea ki putorino a tawhio noa, me te putorino motuhake-ahua rite ki te ahua o te rohe ripeka-wāhanga. ka haria ki 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 korekore

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 kore: 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, He hoki GB / T17396-1998 (wera-hurihia ngongo maitai tui mo te toko waipēhi), GB3093-1986 (te teitei-pēhanga ngongo parakore tui mo te pūkaha diesel), GB/T3639-1983 (mao-tunu ranei matao-hurihia pū pū ngongo parakore maitai-kore), GB/T38094-kore ngongo maitai-kore hanga. ngongo), GB/T8713-1988(Precision roto diameter korere ngongo maitai mo te waipēhi me te pneumatic ira), GB13296-1991 (ngongo kowiri tira tui mo te kōhua ​​me te whakawhiti wera), GB/T14975-1994 (korero he kowiri tira mo te hanganga), GB/T1994 ngongo waikore mo te hanganga), GB/T1994 ngongo kowiri tira. GB/T5035-1993 (automobile) ngongo maitai mo te putorino ngahere), API SPEC5CT-1999 (whakaahua mo te casing me te ngongo), etc.