GB/T5310-2008He momo ngongo maitai kounga teitei te ngongo maitai kore-tuinga. E ai ki te mahi pāmahana teitei, ka wehea te ngongo poiha ki te ngongo poiha whānui me te ngongo poiha pēhanga teitei. Ko te nuinga o te whakamahinga o te ngongo poiha pēhanga teitei mō te hanga poiha mamaoa pēhanga teitei me runga ake i te pēhanga, ngā paipa me ētahi atu maitai hanganga waro kounga teitei, te maitai hanganga koranu me te maitai kore-tuinga ātete wera kowiri tira. [1] Ka mahi ēnei ngongo poiha i te pāmahana me te pēhanga teitei, ka puta he hau paipa pāmahana teitei me te mamaoa wai, he ngāwari ki te waikura me te waikura.

Te taumata maitai

(1) He maitai hanganga waro kounga teitei 20G, 20MnG, 25MnG. 

(2) Te maitai hanganga koranu 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, me ētahi atu. 

(3) Ko te maitai ātete waikura wera 1Cr18Ni9, 1Cr18Ni11Nb e whakamahia whānuitia ana, hei whakarite i te hanganga matū me ngā āhuatanga miihini, hei whakamātautau pēhanga wai, hei whakamātautau mura, hei whakamātautau pēhanga. Ka tukuna ngā ngongo maitai i roto i te āhua maimoatanga wera. 

Hei tāpiritanga, e hiahiatia ana hoki te hanganga moroiti, te rahi o te kōpura me te paparanga tango waro o ngā ngongo maitai kua oti.

Haunga te ngongo maitai korekore o te kōhua ​​pēhanga teiteiGB/T5310-2008kua whakahuatia i runga ake nei, ko ngā hua matua a tā mātou kamupene ko:

ASTMA210(A10M)-2012He paipa maitai kore-whakarewa me te wera-rahi, he mea hanga ki te kōhua ​​waro-waenga, ko te rauemi matua ko te SA210 GrA1, SA210GrC;

ASME SA106/SA-106M-2015, ko ngā rauemi matua ko GR.B gr.C;

ASME SA-213/SA-213M, rauemi koranu noa: T11, T12, T22 me te T23, T91, P92, T5, T5b, T9, T21, T22, T17;

ASTM A335 / A335M – 2018, ko ngā rauemi matua ko: P11, P12, P22, P5, P9, P23, P91, P92, P2, me ētahi atu.