maitai ASTM A501he ngongo maitai waro pango, he mea whakarewa wera, he mea whakapiripiri, he mea hono kore hononga mō ngā piriti, ngā whare, me ētahi atu kaupapa hanganga whānui.
Ngā Pātene Whakatere
Awhe Rahi ASTM A501
Te Whakarōpūtanga o ngā Tohu
E toru ngā taumata o te ASTM A501, ko te Taumata A, ko te Taumata B, me te Taumata C.
Ngā Āhua Wāhanga Poka
He tapawhā, he porowhita, he tapawhā hāngai, he āhua motuhake rānei.
Ngā Rauemi Mata
Me hanga te maitai mā te tukanga hanga maitai i roto i te hāora taketake, i te oumu hiko rānei.
Ka taea te whakarewa i te maitai ki roto i ngā poro, ka taea rānei te whakarewa i ngā miro.
Ngā Tukanga Hanga
Me hanga te paipa mā tētahi o ngā tukanga e whai ake nei:kore honongate whakarewanga oumu-tua (te whakarewanga tonu);te whakarewa ātete hiko (ERW)te whakarewa pewa ruku rānei (SAW) ā, muri iho ka whakamahana anō puta noa i te wāhanga whakawhiti me te hanga wera mā te tukanga whakaiti, te hanga rānei, mā te tukanga e rua rānei.
Me mahi te hanganga āhua whakamutunga mā te whakamahi i te tukanga hanga wera.
Ka whakaaetia te tāpiri i tētahi maimoatanga wera whakataurite mō ngā ngongo he nui ake i te 13mm te matotoru o te pakitara.
Te Hanganga Matū o te ASTM A501
Tikanga Whakamātautau: ASTM A751.
I roto i te paerewa ASTM A501, e rua ngā tikanga tātari mō te hanganga matū o te maitai: te tātari wera me te tātari hua.
Ka mahia te tātari wera i te wā e whakarewahia ana te maitai. Ko tōna kaupapa he whakarite kia tutuki te hanganga matū o te maitai i ngā whakaritenga o tētahi paerewa motuhake.
Ko te tātari hua ia, i tētahi atu taha, ka mahia i muri i te hanganga o te maitai hei hua. Ka whakamahia tēnei tikanga tātari hei manatoko kei te tutuki te hanganga matū o te hua whakamutunga i ngā whakaritenga kua tohua.
Ngā Āhuatanga Hangarau o te ASTM A501
Ko ngā tikanga whakamātautau me ngā whakamāramatanga e rite ana ki ngā whakaritenga e tika ana o te ASTM A370.
Kāore e hiahiatia he whakamātautau pānga mō ngā matotoru pakitara ≤ 6.3mm [0.25in].
Te Manawanui Ahu o te ASTM A501
Te whakapūmau
Mō ngā ngongo hanganga e hiahiatia ana kia whakakikoruatia ki te konukōre wera, me tutuki i tēnei paninga ngā whakaritenga o te Whakatakotoranga A53/A53M.
Inehia te uara o te paninga i te mata o waho o te paipa hei whakatau i te taumaha/matotoru o te paninga.
Āhua
Me kore he hapa o ngā ngongo hanganga, ā, me maeneene hoki te mata i te wā e hangaia ana me te hurihuri wera.
Me whakarōpūtia ngā hapa o te mata hei pērā ina neke atu te hohonutanga o te hapa o te mata i te 10% o te matotoru o te pakitara.
Me whakakore rawa ngā hapa e hiahia ana kia whakatikahia mā te tapahi, te huri rānei i mua i te whakarewanga.
Te Tohu
Me whai i te tohu ASTM A501 ēnei mōhiohio e whai ake nei:
Ingoa o te kaihanga
Waitohu, tohu hokohoko rānei
Rahi
Ingoa o te paerewa (kāore e hiahiatia te tau o te whakaputanga)
Tau
Me tohu ia roa o ngā ngongo hanganga mā te whakamahi i tētahi tikanga tika, pērā i te hurihuri, te tā, te tā, te peita rānei.
Mō ngā ngongo hanganga <50 mm [2 inihi] OD, e whakaaetia ana te tohu i ngā mōhiohio maitai ki runga i tētahi tapanga e piri ana ki ia paihere.
Ngā Paerewa e tika ana
ASTM A53/A53MNgā Whakatakotoranga mō te Paipa, te Rino, te Mangu me te Toia-wera, te Paninga-Konutea, te Whakarewa, me te Kore-Tuitui.
ASTM A370: Ngā Tikanga Whakamātautau me ngā Whakamāramatanga mō te Whakamātautau Ā-ringa o ngā Hua Rino.
ASTM A700: Aratohu mō ngā Tikanga Tākai, Tohu, me te Utaina mō ngā Hua Rino hei Tukunga.
ASTM A751: Ngā Tikanga Whakamātautau me ngā Mahi mō te Tātari Matū o ngā Hua Rino.
ASTM A941: Ngā Kupu e Pā Ana ki te Rino, te Rino Kowiri tira, ngā Koranu e Pā Ana, me ngā Koranu Whaowhao.
Ngā tono
E whakamahia ana i roto i te hanganga me te miihini ā-iwi.
Te hanganga piritiNā te pai o ōna āhuatanga hangarau me tōna kaha, he pai mō ngā wāhanga nui o ngā hanganga piriti, tae atu ki ngā pou amo kawenga, ngā papa piriti, me ngā hanganga tautoko.
Te hanga whare: ka taea te whakamahi i roto i te hanganga anga o ngā whare, tae atu ki ngā pou, ngā kurupae, ngā pūnaha anga, me ngā tautoko tuanui me te papa.
Ngā Taupānga Hanganga WhānuiHaunga ngā piriti me ngā whare, he pai hoki mō ētahi atu kaupapa e hiahia ana ki te tautoko hanganga, pērā i te hanganga o ngā papa tākaro hākinakina, ngā papa waka, ngā kura, me ētahi atu whare tūmatanui nunui.
Ngā tono ahumahiI roto i ētahi whare ahumahi, pērā i ngā wheketere me ngā whare putunga, ka taea hoki te whakamahi i tēnei maitai hei hanga hoahoa tautoko, anga tuanui, me ētahi atu hanganga pikau kawenga.
HangangaHei tauira, ka taea hoki te whakamahi i tēnei maitai i roto i ngā hanganga pēnei i ngā tohu huarahi, ngā rama, me ngā pourewa whakawhitiwhiti kōrero.
Ā Mātou Painga
Mai i tōna whakatūnga i te tau 2014, kua noho a Botop Steel hei kaiwhakarato paipa maitai waro matua i te Tai Tokerau o Haina, e mōhiotia ana mō āna ratonga pai rawa atu, ngā hua kounga teitei, me ngā otinga whānui. Kei roto i te whānuitanga hua a te kamupene ngā paipa maitai tuia, ERW, LSAW, me SSAW, tae atu ki ngā hononga paipa, ngā flanges, me ngā maitai motuhake.
Me te whakapau kaha ki te kounga, ka whakatinanahia e Botop Steel ngā mana whakahaere me ngā whakamātautau pakari hei whakarite i te pono o āna hua. Ka whakaratohia e tana tīma mātau ngā otinga whaiaro me te tautoko tohunga, me te arotahi ki te makona o ngā kiritaki.
Ngā tohu: ASTM a501, taumata a, taumata b, taumata c, ngongo maitai, ngongo maitai hanganga.
Wā tuku: Mei-06-2024