T91meP91e rua ngā maitai kowiri tira martensitic kaha-teitei, pāmahana-teitei e whakamahia whānuitia ana, i ahu mai i te pūnaha koranu 9Cr-1Mo-V. He rerekē te whakarōpūtanga o ēnei nā runga i ngā rerekētanga o ngā paerewa hanga me ngā āhua hua, engari he mahi nui tā rāua i roto i ngā ahumahi pūngao me te matū. Kei raro nei he tātaritanga taipitopito o ō rāua rerekētanga me ngā whakamahinga.

1. Ngā Rerekētanga Matua i waenganui i te T91 me te P91

•Te Āhua me ngā Paerewa o te Hua:

T91: Kua whakarōpūtia hei "Tube" "Tubing" rānei i raro i ngā paerewa ASME (American Society of Mechanical Engineers). He mea whakamahi noa mō ngā ngongo poiha, ngā ngongo whakamahana nui, me ngā ngongo whakamahana anō.

P91: Kua whakarōpūtia hei "Paipa" i raro i ngā paerewa ASME. E whakamahia ana i roto i ngā raina mamaoa matua, ngā paipa pēhanga teitei whānui, me ngā pane.

•Ngā Whakaritenga Hanga:

Ko te hiahia o te T91 kia teitei ake te tika o ngā āhuatanga, te kounga o te mata, me te mahi piko kia taea ai te whakauru i ngā whakaritenga uaua o ngā ngongo poihā.

Ko te arotahi a P91 he nui ake ki te kaha ki te pupuri i te pēhanga o te pakitara matotoru me te āheinga whakarewa, kia pai ai mō ngā wāhanga hanganga nunui.

•Te Arotahi ki te Mahi:

Ahakoa he rite ngā hanganga matū o ngā koranu e rua, he rerekē paku te hanganga moroiti me ngā tukanga maimoatanga wera. Ko te T91 te mea nui ki te kaha ngoki pāmahana teitei me te ātete ki te waikura hau paru, ko te P91 ia e whakanui ana i te pakari whānui me te pumau ratonga mō te wā roa.

2. Ngā Āpure Tono

•Te Ahumahi Whakaputa Hiko:

Ko te T91 e whakamahia nuitia ana i roto i ngā wāhanga pāmahana-tiketike o ngā kohua tipu hiko tino-tino me te tino-tino-tino, pērā i te wera-tino me ngā ngongo whakamahana-anō, ka taea te mahi mō te wā roa i ngā pāmahana tae atu ki te 620°C.

Ka whakamahia te P91 ki roto i ngā paipa mamaoa matua, ngā pane hiko, me ngā takirere pēhanga teitei-mahana, e tuku ana i te kaha kawe pēhanga tino pai mō ngā pūnaha tuku nui i roto i ngā tipu hiko.

•Ahumahi matū hinu:

E whakamahia ana ngā koranu e rua i roto i ngā tauhohenga pēhanga teitei pāmahana-tiketike, ngā whakawhiti wera, me ngā waeine pakaru, e whakaatu ana i te ātete ki ngā taiao waikura pēnei i te hauwai whanariki.

•Ētahi atu Rāngai Ahumahi:

Kei roto i ēnei ko ngā pūnaha āwhina i roto i ngā tipu hiko karihi me ngā taputapu maimoatanga wera pāmahana teitei e hiahia ana ki te ātete ki te wera me te pēhanga.

3. Ngā Whakaaro mō te Kōwhiringa

Ko te kōwhiringa i waenga i te T91 me te P91 e whakawhirinaki ana ki ngā āhuatanga mahi motuhake: Ko te T91 te mea e pai ake ana mō ngā paipa iti te whānui, he angiangi te pakitara e hiahia ana kia piko, ko te P91 ia e pai ake ana mō ngā paipa tika, he matotoru te pakitara, ngā wāhanga hanganga rānei, he whānui nui te whānui. Me tino whakahaere ngā koranu e rua i ngā tukanga whakarewa me te maimoatanga wera kia nui ake ai ō rātou painga mahi pāmahana teitei.