Ngā Pūrongo - Te Hiranga o ngā Pereti Rino ASTM A283 mō ngā Kaupapa Hanga i Amerika

Ko te pereti maitai ASTM A283 he maitai hanganga waro-iti-koranu e whakamahia whānuitia ana puta noa i Amerika nā tōnate mahi ā-mīhini pumau, te whai huatanga o te utu, me te ngāwari o te hangaMai i ngā whare arumoni me ngā whare ahumahi ki ngā kaupapa hanganga nui, ka whakaratohia e ngā pereti maitai A283tautoko hanganga pono.

Tirohanga Whānui o te Pereti Rino ASTM A283

Pereti maitai ASTM A283kua hangaia mō ngā hanganga hanga me ngā hanganga hangarau e mau ana i ngāngā kawenga taurite. Kua wehea kiNgā Tau A, B, C, me D, he rerekē ngā āhuatanga matū me ngā āhuatanga hangarau o ia mea hei whakatutuki i ngā whakaritenga hangarau rerekē.

Huānga	C (Waro)	Mn (Mangane)	P (Pūhāota)	S (Whānariki)	Si (Hikona)
Awhe Ihirangi	≤ 0.25%	≤ 1.4%	≤ 0.04%	≤ 0.05%	0.15–0.40%

Pepa Rino ASTM A283Āhuatanga Mīhini

Tau	Te Kaha o te Hua	Kaha Kume	Awhe Matotoru e tika ana
Taumata A	41 ksi (≈ 285 MPa)	55–70 ksi (≈ 380–485 MPa)	3–50 mm
Taumata B	50 ksi (≈ 345 MPa)	60–75 ksi (≈ 415–515 MPa)	3–50 mm
Tau C	55 ksi (≈ 380 MPa)	70–85 ksi (≈ 480–585 MPa)	3–50 mm
Tau D	60 ksi (≈ 415 MPa)	75–90 ksi (≈ 520–620 MPa)	3–50 mm

Mā ēnei āhuatanga ka taea e ngā pereti maitai ASTM A283 te tu atu ki ngā taumata teiteingā kawenga pūmau me ngā kawenga hihiri, tae atu ki te hau me ngā kaha o te taiao.

Ngā Painga Mahi

Kaha pono: Ka whakarite i te haumaru i raro i ngā kawenga hanganga taimaha.

He tino pai te whakarewaHe pai mō ngā hanganga rino nunui me te whakarewa i runga i te papaanga.

Te hanganga matū ōrite: Ka whakamana i te pakari mō te wā roa me te pono o te hanganga.

Nā ēnei āhuatanga i pai ai ngā pereti maitai A283 mō ngā kaupapa hanga haumaru, whai hua hoki.

Ngā tono i ngā whenua o Amerika

E whakamahia whānuitia ana te pereti maitai ASTM A283 i roto i:

Ngā whare ahumahi me ngā whare putungaNgā anga tuanui whānui me ngā tautoko pakitara

Ngā whare arumoniNgā pourewa tari, ngā pokapū hokohoko, ngā hanganga maha-papa

Ngā kaupapa hangangaNgā tautoko piriti, ngā taiepa pupuri, ngā pareparenga tiaki

I ngā rohe e pāngia ana e ngā āhuatanga kino o te taiao pērā i ngā waipuke me ngā rū whenua,Pereti maitai A283e whakarato ana i te pakari me te haumaru hanganga.

Te Utu me ngā Painga Hanga

He whai hua te utuHe utu taurite, ā, e wātea whānuitia ana i Amerika Te Raki me Amerika Te Tonga.

Ngāwari te hangaHe tino pai te āhua o te whakarewa me te hanga mō te huihuinga hanganga rino nui me te whakarewa i te papaanga.

Hanganga whai huaKa whakaiti i te wā o te kaupapa me ngā utu katoa, me te pupuri tonu i te kounga o te hanganga.

Whakamutunga

Kite hanganga matū pumau, te kaha hua me te kaha kume, te kaha whakarewa pai rawa atu, me ngā painga utu, he mea nui te pereti maitai ASTM A283 i roto i te mākete hanga o Amerika. I te tipu haere o te tono mō ngā whare ahumahi me ngā whare arumoni, ka whai wāhi tonu te pereti maitai A283 ki tētahihe tūranga nui i roto i ngā kaupapa hanga haumaru, pakari, me te whai hua.

RŌPŪ KĪNGI

Wāhitau

Te rohe ahumahi whanaketanga o Kangsheng,
rohe Wuqing, Tianjin pa, Haina.

Ī-mēra

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Waea

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Ngā Hāora

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Wā tuku: Hakihea-03-2025