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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.

pereti maitai astm a572 (1)
pereti maitai astm a572 (2)

He Tirohanga Whānui mō 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.

He 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,
Takiwa o Wuqing, taone nui o Tianjin, Haina.

Ngā Hāora

Mane-Rātapu: Ratonga 24-hāora


Wā tuku: Hakihea-03-2025