Ko ngā Kaihanga Taputapu Kīhini o Ūropi e whakamahi ana i ngā koiri maitai kore waikura 304 me 316L kua hurihia matao i roto i ngā taumata pakeke 1/2H ki te FH mō te hanga totohu me te papa kaute.

Te Tikanga Tuturu o ngā Ripene Mārō Matao-Whiriwhiri mō tō Whakaputa

Me tīmata tātou me tētahi pūtake o te whakapoauautanga i roto i tā tātou umanga: ko ngā kupu e pā ana ki ngā whakamātao pakeke kua hurihia ki te matao. Ina kōrero tātou mō ngā whakamātao 1/2H, 3/4H, me te FH, e kōrero ana tātou mō ngā whānuitanga motuhake o te kaha hua me ngā āhuatanga kume i tutukihia mā te whakaiti makariri whakahaeretia i muri i te whakamahana. Ehara ēnei i te tohu noa - he whāinga tika kua tautuhia e ngā rōpū paerewa e pā tika ana ki te whanonga o te rauemi i runga i tō raina hanga.

I raro iASTM A240meEN 10088E ai ki ngā whakatakotoranga, ko te kaha tuku o ngā maitai kore waikura 304 me te 316L i roto i te āhua whakamahana he 215 MPa te kaha tuku, ā, ko te kaha kume he 505 MPa. Ina neke tātou ki te āhua 1/2H (haurua-mārō), ko te tikanga ka titiro tātou ki ngā kaha tuku i roto i te awhe 380–480 MPa. Mā te pāmahana 3/4H ka pana atu tēnei, ka eke ki te kaha tuku 480–560 MPa. Ka taea e ngā koiri pāmahana mārō katoa (FH) te whakatutuki i ngā kaha tuku neke atu i te 690 MPa, i runga i te matotoru me te hanganga tika.

Kua ako mātou he mea nui rawa tēnei rerekētanga i roto i te hanga taputapu kīhini. Ina whakamahia e mātou ngā koiri whakamārō-katoa mō ngā peihana totohu hōhonu, ka whakaitihia te pakari o te rauemi i te kaha o te rauemi ki te whakataurite ki ngā whakamārō ngawari. Ko te tikanga he iti ake ngā whakakorenga kounga, he iti ake te mahi anō, ā, he paku ake ngā ātete ā-ahu i runga i te wahi kua oti.EuroinoxE whakaū ana ngā tuhinga mō te hanga kowiri tira, mā ngā āhua pakari ka pai ake te pumau o ngā āhuatanga i roto i ngā mahi tuhi, koinei tonu te mea e hiahiatia ana e ngā kaihanga totohu nui.

He aha te 304 me te 316L e kaha ake ai ngā tono taputapu kīhini

E rua ngā momo maitai kore waikura e whakamahia ana i te nuinga o ngā mahi hanga taputapu kīhini: 304 me te 316L. He mea nui te mārama ki ō rāua rerekētanga hei whakatau tika i te pūtake o ngā taputapu.

Ko te karaehe 304 tā mātou taputapu mahi. Kei roto tata ki te 18% te chromium me te 8% te nickel, ā, he tino ātete ki te waikura i roto i ngā taiao matū ngawari me ngā taiao matū ngawari e kitea ana i roto i ngā kīhini arumoni. He ngāwari te hanga, he ngāwari te whakarewa, ā, e wātea ana puta noa i ngā mira koiri o te ao. Mō ngā totohu kīhini paerewa, ngā papa kaute, me ngā whare taputapu, ko te 304 te whakautu tika i ngā wā katoa.

Ko te karaehe 316L te whiringa ina hiahia tātou ki te ātete waikura pai rawa atu, inā koa ki ngā pūhaumāota. Mā te tāpiri o te 2–3% molybdenum ka hoatu he ātete nui ki te 316L ki te pakaru waikura i puta mai i te ahotea pūhaumāota, he mea nui tēnei i roto i ngā whakaurunga takutai moana, ngā kīhini arumoni e whakamahi ana i ngā kaihoroi kaha, me ngā taiao e tata ana ki te moana. Ko te tohu "L" he tikanga he iti te waro (≤0.030%), e whakarato ana i te kaha whakarewa me te ātete ki te arotau i te wā whakarewa.

Mō ngā kaihanga Pākehā e mahi ana i raro i ngā paerewa EN 10088, kua tohua katoatia ngā momo e rua, ā, e wātea ana i roto i ngā momo whakapakeke pakari katoa e hiahiatia ana e mātou.ISOMā ngā paerewa 15510 ka taea te whakawhiti i ngā tohu taumata o Ūropi, Amerika, me te ao, nō reira ka taea te whai i ngā rauemi puta noa i ngā rohe ina mahi tahi koe me ngā mira e whakarato ana i ngā kete tuhinga katoa.

Te Tūturutanga o te Mekameka Tuku mō ngā Kaihoko Pākehā

Kua kite tātou i te whanaketanga nui o te mekameka tuku maitai kore waikura o te ao i ngā tau kua pahure ake nei. Ko ngā kaihanga taputapu kīhini o Ūropi e hoko ana i ngā koiri hurihuri matao e anga atu ana ki tētahi whenua mahi e uru ana ki ngā mira Āhia (te nuinga i Haina, Kōrea ki te Tonga, me Taiwan), ngā mira o Ūropi, me ngā takawaenga hokohoko.

Ina kohia mai e mātou ngā mira o Āhia, ka mahi tahi mātou me ngā kaihanga e kaha ana ki te huri ki ngā taumata matotoru pakupaku — ka taea te whakatutuki i te ±0.03 mm i runga i te rauemi ine 0.4–0.8 mm, he mea nui tēnei ina whakaritea ō mate tā mo te matotoru rauemi motuhake. Ka tutuki ngā koiri mārō tika kua hurihia matao mai i ngā kaihanga o Āhia kua whakapumautia i ngā paerewa ASTM A240, ā, he maha ngā wā ka hipa ake i ngā whakaritenga iti rawa o te āhuatanga miihini. Ka taea e ngā mira e mahi tahi ana mātou te whakarato i ngā pūrongo whakamātautau rauemi (MTR) me ngā pūrongo matū, ngā raraunga āhuatanga miihini, me ngā whakaritenga whakaoti mata mo ia wera.

Mō te tutuki i ngā whakaritenga o te EN 10088 a Ūropi, ka whakaū mātou kei te whakarato ngā mira i ngā tuhinga e pā ana ki te tohu EN motuhake — hei tauira, 1.4301 (304) me 1.4404 (316L) — kaua ko te tau tohu ASTM anake. He mea nui tēnei mō ngā whakaritenga tohu CE me ngā tuhinga hua e heke iho ana i tō mekameka tuku.

Ko te wā tuku mō ngā koiri hurihuri matao mai i ngā mira Āhia ki ngā tauranga o Ūropi e 30–45 ngā rā mō ngā ota paerewa, ko te utanga moana te momo kawe matua. Ka whakaurua tēnei ki roto i ā mātou huringa whakamahere whakaputa.

Ngā Āhuatanga Ā-Mīhini: Ngā Hua o te Pūmau o te Pakari

Kia hohonu ake tā tātou tirohanga ki ngā tumanakohanga mō ngā āhuatanga miihini e whakatakotoria ana e tātou i te wā e rapu ana i ngā koiri pakari pakari. Ka pā tika ēnei tau ki tō hanganga, te whakarewa, me te mahi o te hua whakamutunga.

Mō te maitai kore waikura 304 i roto i te pāmahana 1/2H, e tumanakohia ana e mātou:

• Kaha whakaputa: 380–480 MPa
• Kaha kume: 650–780 MPa
• Te roa: 25–40% (i runga i te ine)
• Pakari: tata ki te 200 HV te mōrahi

I roto i te pāmahana 3/4H:

• Kaha hua: 480–560 MPa
• Kaha kume: 750–850 MPa
• Te roa: 15–25%
• Pakari: tata ki te 220 HV te mōrahi

I te āhua mārō rawa (FH):

• Kaha whakaputa: ≥690 MPa
• Kaha kume: ≥860 MPa
• Te roa: 8–15%
• Pakari: tata ki te 250 HV te mōrahi

Mō te 316L, he paku teitei ake ngā uara nā te pānga o te ihirangi molybdenum ki te whanonga whakapakeke-mahi. Ka taea e te kaha hua i roto i te pāmahana FH 316L te eke ki te 750 MPa, teitei ake rānei i roto i ētahi whakaritenga mira.

Koinei ngā awhe kua whakaūtia e mātou mā roto i ngā tiwhikete whakamātautau mira mai i ō mātou hoa tuku. Ka tono tonu mātou i ngā raraunga MTR tuturu, kaua e whakawhirinaki ki ngā whakatakotoranga ingoa - he iti te rerekētanga i roto i te koiri kotahi (puta noa i tōna whānui me tōna roa) engari he mea nui kia rite tonu te mahi tāmi i te mate.SAE Internationale whakaputa ana i ngā paerewa āhuatanga miihini taipitopito mō ngā hua papatahi kowiri tira hei tohutoro whai hua mō ēnei kōrero.

Ngā Whakaaro mō te Matotoru me te Whānui mō ngā Taputapu Kīhini

Ko te awhe ine e tino pā ana ki te hanga totohu me te papa kaute ko te 0.4 mm ki te 1.5 mm, ko te 0.5–0.8 mm te wāhi pai mō te nuinga o ngā tono peihana totohu, me te 1.0–1.5 mm mō ngā wāhanga hanganga me ngā papa kaute kounga teitei.

Kei te wātea ngā koiri hurihuri matao mai i ngā mira kaha i roto i te whānui mai i te 600 mm ki te 1600 mm, me ngā koiri tapahi ki raro ki te 30 mm e wātea ana mō ngā tono motuhake. Mō te nuinga o ngā kaihanga totohu Pākehā, ko ngā whānui i roto i te awhe 1000–1250 mm te paerewa mō te whakaputa i runga i ngā raina tukatuka whānui 1250 mm.

Ina tohua e mātou ngā koiri mō tā mātou mahi whakaputa, ka mahi tahi mātou me te mira ki ngā ātete matotoru tika. Mō ngā tono tino tika, ka tohua e mātou ngā koiri "ātete piri" me te rerekētanga matotoru ±0.02 mm puta noa i te whānui o te koiri. He mea nui tēnei mō te whakarewa taiaho o ngā hononga totohu kīhini, ina whakaritea te arotahi kurupae me te urunga whakarewa ki te matotoru rauemi motuhake.

Whakaotinga Mata: He aha i nui ake ai tōna hiranga i te nuinga o ngā kaihoko

Ehara i te mea he ātaahua noa iho te āhua o te mata o te koiri hurihuri-matao — engari he pānga tika ki te kounga o te whakarewa, te here piri, te ngāwari ki te horoi, me te ātete ki te waikura o ngā taputapu kīhini kua oti.

Mō ngā tono totohu kīhini, ko ngā whakaoti mata tino noa ko:

• 2B (kanapa matao-hurihuri):He āhua maeneene, he āhua whakaata hoki, ka tutuki mā te huri mārire i ngā rōra kua orohia. Koinei te āhua turanga paerewa mō te nuinga o ngā mahi hanga totohu.
• BA (kanapa kua whakamahanahia):He āhua maeneene ake, he āhua whakaata ake i roto i te oumu hau whakahaeretia. He pai ake mō ngā mata e kitea ana.
• Nama 4 (paraitia):He āhua satin anga-taha e tutukihia ana me ngā whitiki whakakoi pai. He paerewa mō te nuinga o ngā mata totohu kīhini arumoni.
• HL (raina makawe):He oro whakakanapa tonu, he kirikiri 320 te nuinga, he kirikiri angiangi ake rānei. He āhua papai mō ngā mahi hoahoa kīhini.

Kua kitea e mātou ko te ōritetanga o te mata o te koiri — mai i te koiri ki te koiri — tētahi o ngā taurangi kounga e warewarehia ana. Ina whiwhi koe i ngā koiri me te maimoatanga mata kāore i te ōrite, ka kitea ngā hononga me ngā rerekētanga tae i roto i te totohu kua oti i roto i ō mahi whakaoti (paraihe, oro) . Mā te mahi tahi me ngā mira e tohu ana i te mutunga mata i roto i ngā tawhā Ra (toharite taratara) ka whakatauhia tēnei.

Ngā Tiwhikete me ngā Tuhinga e tika ana kia hiahiatia e ngā Kaihanga Pākehā katoa

Ina tuku rauemi mātou ki ngā kaihanga taputapu kīhini o Ūropi, ka whakarite mātou kia tutuki katoa ngā whakaritenga. Kāore e taea te whiriwhiri i tēnei mō ngā hua kua tohua ki te CE me ngā kiritaki e arotake ana i ā rātou mekameka tuku.

Kei roto i ngā tuhinga e hiahiatia ana:

• Ngā Tiwhikete Whakamātautau Mira (MTR) mō EN 10204 / ASTM A240, tae atu ki te whai i te tau wera
• Ngā pūrongo hanganga matū e whakaū ana i te tohu tohu
• Ngā hua whakamātautau āhuatanga ā-mīhini (te hua, te kume, te roa, te mārō)
• Ngā whakatakotoranga whakaoti mata
• Ngā raraunga tirotiro ine
• Whakapuakitanga whenua taketake mō ngā whakaritenga tikanga me te aukati-tuku
• Kōwhiringa: Ngā tiwhikete tirotiro a te hunga tuatoru (SGS, Bureau Veritas) mō ngā ota utu nui

Ko te tiwhikete EN 10204 Momo 3.1 te paerewa mō ngā tuku maitai arumoni ki Ūropi, e whakarato ana i te whai i ngā hua mai i te hua kua oti ki te wāhanga whakaputa me te wera motuhake.

Te Mahi Tika ki ngā Mira me ngā Kamupene Hokohoko

Ko tētahi pātai e pā ana ki ngā kaihoko, ko te mea me hoko tika mai i ngā mira, mā roto rānei i ngā kamupene hokohoko. He pai ngā huarahi e rua, ā, ko te kōwhiringa tika e whakawhirinaki ana ki te nui o tō ota, ki ngā whakaritenga hangarau, me te kaha o roto ki te whakahaere i ngā hoko mai i tāwāhi.

He maha ngā painga o te kimi tika i te mira: he iti ake te utu mō ngā ota nui, he urunga tika ki te tautoko hangarau mira mō ngā pātai whakaritenga, me te whakaritenga pai ake o ngā tawhā tukanga mira ki ō hiahia. Kei roto i ngā taupatupatu ko ngā whakaritenga rahinga iti rawa o te ota (te nuinga o te wā 5–20 tāne mita mō ngā koiri tapahi), he roa ake te wā arahi mō te whakawhanaketanga whakaritenga, me te hiahia mō ngā kaimahi hoko mohio ki te whakahaere i ngā tauwhitinga o te ao.

Ka tāpirihia e ngā kamupene hokohoko he utu engari ka whakaratohia he uara i ētahi atu huarahi: ka pupuri rātou i ngā taonga hei tuku tere ake, ka kohikohi i ngā ota puta noa i ngā kaihoko maha, ka whakarato ratonga tirotiro kounga, ka whakahaere hoki i te whakaritenga whakahaere. Mō ngā kaihanga taputapu kīhini Pākehā rahi-waenga, he maha ā mātou tūtohutanga i tētahi huarahi ranu - ngā ota rautaki nui ake mai i ngā mira, me ngā whakaritenga tūpono mai i ngā hoa hokohoko pono me ngā rekoata kounga kua whakamātauhia.

Tā Mātou Taunakitanga: Te Aromatawai i tētahi Kaiwhakarato Pōkai Huri-Matao

Mena kei te whakarite koe i tētahi kaiwhakarato hou mō ngā koiri maitai kore waikura 304 me te 316L kua hurihia matao, anei te anga aromatawai e whakamahia ana e mātou i roto.

Tuatahi, tonoa he tauira koiri i te taumata me te āhua o tō whāinga — ko te tikanga he 200–500 kg te ine me te whānui e whakaaro ana koe ki te whakahaere. Whakahaerehia i roto i tō tukanga whakaputa katoa: te tā, te whakarewa, te whakaoti. Aromatawaihia te ōritetanga o ngā āhuatanga, te ōritetanga o te whakaotinga mata, me te āhua o te mahi a te rauemi i roto i ō mahi hanga. Mena ka eke te tauira ki ō paearu tohu, kātahi — ā, ko reira anake — neke atu ki tētahi ota whakaputa whakamātautau.

Tuarua, arotakehia te pūnaha whakahaere kounga o te mira. Ko te tiwhikete ISO 9001 te tūāpapa. Mō te hanga maitai kore waikura, ko ngā mira whai tiwhikete IATF 16949 (whakahaere kounga motuka) he tohu whakahaere tukanga pakari ake, ā, ko te tikanga he rite tonu ngā āhuatanga o te koiri.

Tuatoru, arotakehia ngā tikanga arumoni a te kaiwhakarato me te mārama. Tirohia atu i tua atu i te utu kotahi ki te utu katoa o te kounga: ngā utu whakakore, te tika o ngā tuhinga, te pono o te tuku, me te urupare tere ina puta he raruraru. Kua kite mātou i ngā kaihoko e whiriwhiri ana i te kaiwhakarato koiri utu iti rawa, engari he nui ake te whakapaunga moni ki ngā utu whakahou me ngā tuku kua whakaroa.

I Wow Stainless, ka mau tonu ā mātou hononga kaha ki ngā mira e tohunga ana ki ngā koiri kowiri tira matao pakari mō ngā taputapu kīhini. Ka hono mātou i ngā kaihoko Pākehā ki ngā mira e tutuki ana i ngā whakaritenga EN 10088, ka whakarato i ngā kete tuhinga katoa, ā, ka tuku rauemi kia rite ki ngā hiahia o te hanga totohu me te papa kaunta nui. Tirohia ā mātourārangi huakia kite i tā mātou rarangi koiri o nāianei, rāneiwhakapā atu ki tā mātou tīmahei matapaki i ō hiahia motuhake.

Ngā Pātai Auau