He rauemi maha ngā whakamahinga o te kowiri tira, e whakamahia whānuitia ana i roto i ngā momo ahumahi nā tōna ātete ki te waikura, tōna kaha me tōna ataahua. I roto i ngā momo maha e wātea ana, ko te kowiri tira 201, 430, 304 me te 310 te mea e tū motuhake ana mō ō rātou āhuatanga me ngā whakamahinga ahurei.
Kowiri tira 201He iti ake te utu hei whakakapi i te 304, ā, e whakamahia ana i ngā tono kāore e nui te ātete ki te waikura. He nui ake te konupūmā me te nikara, ā, he iti ake te utu, engari he iti ake hoki te ārai mate. Ko ngā tono noa ko ngā taputapu kihini, ngā wāhanga motuka, me ētahi wāhanga hanga.
Kowiri tira 430He maitai ferritic tēnei, e mōhiotia ana mō tōna ātete pai ki te waikura me tōna ngāwari ki te hanga. He aukume tōna, ā, he maha ngā whakamahinga e hiahiatia ana he ātete waikura taurite. Ko ngā whakamahinga noa ko ngā taputapu kīhini, ngā whakapaipai motuka, me ngā pūnaha whakaputa hau. Nā tōna kaha ki te tu atu ki ngā pāmahana teitei, he pai hoki mō ētahi whakamahinga ahumahi.
Kowiri tira 304Ko tētahi o ngā momo maitai kore waikura e whakamahia whānuitia ana, e mōhiotia ana mō tōna ātete pai ki te waikura me tōna ngāwari ki te whakarewa. He nui ake te ōwehenga o te nikara i roto, e whakarei ake ana i tōna pakari. He mea noa tēnei momo i roto i ngā taputapu tukatuka kai, ngā ipu matū me ngā tono hanga. Nā ōna āhuatanga kore-aukume ka pai mō ngā tono e hiahia ana ki te horoi me te ataahua.
Kowiri tira 310He maitai austenitic tēnei i hangaia mō ngā mahi pāmahana teitei. He tino ātete ki te waikura, ā, he maha ngā wā ka whakamahia i roto i ngā taiao pāmahana teitei pērā i ngā wāhanga oumu me ngā whakawhiti wera. Nā tōna kaha ki te tu atu ki ngā āhuatanga tino kino, he mea pai tēnei mō ngā ahumahi rererangi me te hinu matū.
Hei whakarāpopototanga, ko te whiriwhiri i te maitai kore waikura 201, 430, 304 me te 310 e whakawhirinaki ana ki ngā whakaritenga motuhake o te tono, tae atu ki te ātete ki te waikura, te ātete ki te pāmahana me te utu. He mea nui te mārama ki ēnei rerekētanga ki te whiriwhiri i ngā rauemi tika mō tētahi kaupapa.
RŌPŪ KĪNGI
Wāhitau
Te rohe ahumahi whanaketanga o Kangsheng,
Takiwa o Wuqing, taone nui o Tianjin, Haina.
Ī-mēra
Ngā Hāora
Mane-Rātapu: Ratonga 24-hāora
Wā tuku: Hepetema-29-2024