Ko te puranga hou o te SCH40 18 inihiNgā paipa maitai ASTM A53 Grade B ERWkua angitu i te whakamātautau pakari i whakahaerehia e tētahi taiwhanga tuatoru.
I tēnei tirotiro, i whakahaerehia e mātou ētahi whakamātautau mahi miihini matua hei manatoko i te kaha me te pono o ngā paipa maitai ASTM A53 Grade B ERW. Kei raro nei ngā ataata kua hopukina e whakamārama ana i ngā whakaritenga me ngā tukanga o te whakamātautau papatahi me te whakamātautau kume.
E toru ngā taahiraa o te whakamātautau papatahi hei whakamātautau i te ātete papatahi o ngā tūranga rerekē o te paipa maitai.
1. Te taahiraa tuatahiHe whakamātautau tēnei mō te ngāwari o te whakarewa. Kaua he kapiti, he whati rānei e kitea i te mata o roto, o waho rānei o te whakarewa i mua i te whakaiti i te tawhiti i waenga i ngā pereti ki raro iho i te rua-hautoru o te diameter o waho o te paipa kua tohua.
2. I te taahiraa tuarua, me haere tonu te whakatārewatanga hei whakamātautau mō te ngāwari i tawhiti atu i te hononga whakarewa. I tēnei taahiraa, kaua e kitea he kapiti, he whati rānei i te mata o roto, o waho rānei i tawhiti atu i te hononga whakarewa, i mua i te whakaiti i te tawhiti i waenga i ngā pereti ki raro iho i te kotahi-hautoru o te diameter o waho o te paipa kua tohua, engari kaua e iti iho i te rima ngā wā o te matotoru o te pakitara o te paipa kua tohua.
3. I te taahiraa tuatoru, he whakamātautau mō te pakari, me haere tonu te whakapapatahi kia pakaru rā anō te tauira whakamātautau, kia tūtaki rānei ngā pakitara o te tauira whakamātautau. Ko te tohu o te rauemi kua whakakikoruatia, kāore rānei i te pakari, o te whakarewanga kāore anō kia oti i te whakamātautau whakapapatahi, me waiho hei take mō te whakakorenga.
E whakaatu ana te ataata i raro nei i te taahiraa tuarua o te whakamātautau whakapapatahi.
Ko te whakamātautau kume he whakamātautau matua i roto i te tukanga tirotiro paipa maitai, e taea ai te tirotiro i te kaha kume me te ngāwari o te paipa. Mō ngā paipa maitai ASTM A53 Grade B ERW, ko te kaha kume iti rawa e hiahiatia ana ko te 415 MPa, ā, ko te kaha tuku iti rawa ko te 240 MPa.
Kei raro nei te ataata whakamātautau o te whakamātautau tensile:
Hei kaiwhakarato paipa maitai ngaio me te pono i Haina,Botop SteelE whakapau kaha ana mātou ki te whakarato i ngā hua paipa rino kounga teitei, utu-pai hoki ki ngā kiritaki, kia mōhio ai mātou kei te tutuki i ia paipa e puta mai ana i tō mātou wheketere ngā paerewa e hiahiatia ana.
Tēnā koa whakapā mai ki a mātou i ngā wā katoa. Ka koa a Botop Steel ki te mahi ki a koe.
Wā tuku: Pipiri-04-2025