Kōwhiringa Hanganga Whakarewa Matao Pono

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He pai ā mātou paipa hau hanganga whakarewa-matao mō ngā momo mahi maha, tae atu ki ngā ahumahi hanga, hanganga me te pūngao. Mā te whakakotahitanga o ngā rauemi kounga teitei me ngā tikanga hanga matatau ka whakarite kia tutuki ā mātou paipa i ngā paerewa ahumahi, engari kia eke ki runga ake i aua paerewa, ka whakaratohia he otinga paipa hau pono ki a koe.

Tukua mai he īmēra ki a mātou

Taipitopito Hua

Ngā Tohu Hua

Āhuatanga Mīhini

	Tau 1	Tau 2	Tau 3
Te Pūtake Hua, te kaha hua rānei, min, Mpa(PSI)	205(30 000)	240(35 000)	310(45 000)
Kaha kume, min, Mpa(PSI)	345(50 000)	415(60 000)	455(66 0000)

Whakataki Hua

E whakaatu ana mātou i tā mātou paipa hau hanganga whakarewa matao pono, he hua kounga teitei i hangaia hei whakatutuki i ngā paerewa kounga me te mahi tino pai. He mea hanga mai i te maitai A252 Grade 1, ka hangaia ā mātou paipa mā te whakamahi i ngā tikanga whakarewa pewa rua-rua matatau hei whakarite i te kaha me te roa o te ora. Ka hangaia ia paipa kia rite ki ngā paerewa ASTM A252 i whakatūria e te American Society for Testing and Materials (ASTM), kia tika ai te pono me te haumaru mō ō hiahia kawe hau.

Tō mātouhanganga whakarewa mataoHe pai ngā paipa hau mō ngā momo mahi maha, tae atu ki ngā umanga hanga, hanganga me te pūngao. Mā te whakakotahitanga o ngā rauemi kounga teitei me ngā tikanga hanga matatau ka whakarite kia tutuki ā mātou paipa i ngā paerewa ahumahi, engari kia eke hoki ki tua atu i aua paerewa, ka whakaratohia he otinga paipa hau pono ki a koe.

Painga hua

Ko tētahi o ngā painga matua o ā mātou hanganga whakarewa matao ko te ōwehenga kaha-ki-taumaha tino pai. Mā te whakamahinga o te maitai A252 Grade 1 ka hangaia he anga kaha e taea ai te tu atu i ngā pēhanga teitei me ngā āhuatanga tino kino, he mea tino pai mō te kawe hau māori. Hei tāpiri, mā te tikanga whakarewa pewa rua-rua ka roa ake te mau o ngā hononga, ka whakaiti i te tūponotanga o te pakaru me te turuturu. Ko te tikanga o tēnei pono he iti ake ngā utu tiaki me te nui ake o te haumaru mō ngā kaiwhakamahi mutunga.

Hei tāpiritanga, kei te Tāone o Cangzhou, Porowini o Hebei, tō mātou wheketere, ā, kua whakahaerehia mai i te tau 1993, e 350,000 mita pūrua te rahi o te whenua. Me ngā rawa katoa o RMB 680 miriona me ngā kaimahi pono e 680, e whakapau kaha ana mātou ki te whakaputa hua kounga teitei e tutuki ai ngā hiahia o te hanganga hou.

Tono

Kei Cangzhou, te Porowini o Hebei tō mātou wheketere, ā, he ingoa pono i roto i te umanga mai i tōna whakatūnga i te tau 1993. E 350,000 mita pūrua te rahi o te wheketere, he hangarau matatau rawa, ā, e 680 āna kaimahi pono. Me te tapeke o ngā rawa o te RMB 680 miriona, e whakapau kaha ana mātou ki te pupuri i ngā paerewa kounga me te whai huatanga teitei i roto i ā mātou tukanga whakaputa.

Ka tutuki ā mātou paipa rino i ngā paerewa pakariASTM A252te paerewa i whakatakotoria e te American Society for Testing and Materials (ASTM). Mā tēnei whakaritenga ka tutuki ā mātou hua i ngā paerewa haumaru me te mahi e tika ana, ka marino ai te hinengaro o ngā kaihangarau me ngā kaimahi kirimana. Ahakoa kei te mahi koe i tētahi kaupapa hanganga nui, i tētahi mahi hanga iti rānei, ka tu tonu ā mātou hanganga whakarewa matao-hanga mō te wā roa.

Paipa Whakarewa Tuitui Porowhita

Ngā ngoikoretanga o te hua

Ka uaua ake, ka roa ake hoki te tukanga hanga i ērā atu tikanga, ā, ka nui ake pea te utu tīmatanga. Hei tāpiri, ahakoa he kaha, he pakari hoki te maitai A252 Grade 1, kāore pea e pai mō ngā taiao katoa, inā koa ko ērā he tino waikura, ki te kore e tukatukahia tika.

Ngā Pātai Auau

P1. He aha te hanganga whakarewa matao?

Ko ngā hanganga whakarewa matao he wāhanga maitai e hangaia ana i te pāmahana rūma, kātahi ka whakarewaina ngātahi hei hanga i tētahi anga kaha, pakari e tika ana mō ngā momo whakamahinga.

P2. He aha i whiriwhiri ai i te maitai A252 Grade 1?

E mōhiotia ana te maitai A252 Papa 1 mō tōna kaha ki te whakarewa me te kaha, ā, he mea tino pai mō ngā tono hanganga, inā koa i roto i ngā paipa hau me te hinu.

P3. He aha te hiranga o te tikanga whakarewa pewa rua-uru?

Mā tēnei tikanga ka puta he hononga kounga teitei me te iti o ngā hapa, kia mau ai te pumau me te roa o te hanganga kua honoa.

P4. Me pēhea e whakarite ai koe kia tutukihia ngā paerewa ASTM?

Kua whakamatautauria ā mātou hua, ā, kua whakamanahia kia rite ki ngā paerewa ASTM A252, kia whakawhirinaki ai koe ki tōna kounga me tana mahi.

O mua: Kounga Teitei En 10219 S235jrh

Panuku: Paipa maitai waro porowhita kounga teitei me te mahi pai

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