He mea hanga ngā tautoko rino whakarerekē ki te rauemi Q235. Ko te matotoru o te pakitara kei waenga i te 1.5 ki te 3.5 mm. Ko ngā kōwhiringa whānui o waho ko te 48/60 mm (kāhua Rawhiti o Waenganui), 40/48 mm (kāhua Uru), me te 48/56 mm (kāhua Itari). Ko te teitei whakarerekē kei waenga i te 1.5 m ki te 4.5 m...
Tuatahi, he aha te utu e whakaratohia ana e te utu a te kaihoko? Ka taea te tatau i te utu o te whariki maitai piauau mā te tana, ka taea hoki te tatau i runga i te tapawhā, ina hiahiatia e te kiritaki he nui, ka pai ake te kaihoko ki te whakamahi i te tana hei waeine utu,...
Ko te pou tautoko maitai whakarerekē he momo mema tautoko e whakamahia whānuitia ana i roto i te tautoko hanganga poutū, ka taea te urutau ki te tautoko poutū o tetahi āhua o te tauira papa, he māmā, he ngāwari hoki te tautoko, he ngāwari ki te tāuta, he huinga mema tautoko ōhanga me te mahi...
Ko te pereti maitai konumohe-konupora whakakikoruatia ki te konutea he momo hou o te pereti maitai pania tino ātete ki te waikura, ko te hanganga paninga he mea hanga ki te konutea te nuinga, mai i te konutea me te 1.5%-11% o te konumohe, 1.5%-3% o te konupora me te iti o te hanganga silicon (ko te ōwehenga o te rerekētanga...
Ko te whatanga maitai piauau, hei rauemi tukatuka mata mā te tukanga whakapūmau wera-tuku i runga i te whatanga maitai, he rite ngā whakatakotoranga noa ki ngā whatanga maitai, engari he pai ake ngā āhuatanga ātete waikura. 1. Te kaha ki te kawe kawenga: Ko te l...
Ko ASTM, e mōhiotia ana ko te American Society for Testing and Materials, he whakahaere paerewa whai mana o te ao e arotahi ana ki te whakawhanake me te whakaputa paerewa mō ngā momo ahumahi. Ka whakaratohia e ēnei paerewa ngā tikanga whakamātautau ōrite, ngā whakaritenga me ngā aratohu...
He aha te rerekētanga i waenga i te Q195, Q215, Q235, Q255 me te Q275 e pā ana ki ngā rauemi? Ko te maitai hanganga waro te maitai e whakamahia nuitia ana, ko te nuinga o ngā mea e hurihia ana ki roto i te maitai, ngā kōtaha me ngā kōtaha, kāore e hiahiatia kia whakamahanahia te whakamahinga tika, ko te nuinga mō te ira...
Ko te pereti maitai hanganga SS400 he maitai noa mō te hanga, he tino pai ngā āhuatanga miihini me te mahi tukatuka, e whakamahia whānuitia ana i roto i te hanga, i ngā piriti, i ngā kaipuke, i ngā motuka me ētahi atu mara. Ngā āhuatanga o te pereti maitai SS400 SS400 h...
Ko te API 5L e pā ana ki te paipa maitai (paipa paipa) o te whakatinanatanga paerewa, kei roto i te paipa maitai paipa he paipa maitai kore hononga me te paipa maitai whakarewa e rua ngā wāhanga. I tēnei wā i roto i te paipa hinu e whakamahia ana e mātou he paipa maitai whakarewa momo paipa wairua...
1 whakamāramatanga ingoa Ko te SPCC i te tīmatanga ko te ingoa maitai paerewa Hapanihi (JIS) "te whakamahinga whānui o te pepa maitai waro hurihuri matao me te rīpene", ināianei he maha ngā whenua, he umanga rānei e whakamahi tika ana hei tohu i tā rātou ake hanga o te maitai rite. Kia mahara: ko ngā tohu rite ko te SPCD (makariri-...
E whakamārama ana te whakaritenga ASTM A992/A992M -11 (2015) i ngā wāhanga maitai hurihuri hei whakamahi i roto i ngā hanganga whare, ngā hanganga piriti, me ētahi atu hanganga e whakamahia whānuitia ana. E whakamārama ana te paerewa i ngā ōwehenga e whakamahia ana hei whakatau i te hanganga matū e hiahiatia ana mō te tātaritanga wera hei...
Rerekētanga Mata He rerekētanga mārama i waenganui i ngā mea e rua mai i te mata. Ki te whakataurite, ko te rauemi 201 nā ngā huānga konupora, nō reira he mangu te tae o te mata o tēnei rauemi he maitai kore waikura, ko te rauemi 304 nā te kore o ngā huānga konupora,...