I roto i te hanganga, he maha ngā momo maitai e whakamahia whānuitia ana, tae atu ki ngā pae porowhita me ngāpā rakaukoia ngā mea tino kitea. Ko ngā rerekētanga matua i waenganui i a rātou ko ēnei e whai ake nei. I tēnei rā, ka matapakihia pototia e tātou ēnei rerekētanga.
Ngā Pae Porowhita (Raupapa HPB)
He maeneene te mata o ngā pae porowhita. Mēnā kua whakauruhia ki roto i te raima, ka taea te kume mā te tō noa iho.
Rīpene Whakarewa (Raupapa HRB)
He rite te āhua o ngā rara porowhita ki te mata o waho o te rino. Ko ētahi he rite ki te marama kōwhai, ko ētahi he porowhita.
Ko te mahi a ēnei rara he pupuri pūmau i te raima, kia kore ai e tukua ahakoa te taumahatanga me te āhua rerekē.
Pae Porowhita (HPB300)
Kei roto te pae porowhita i te wāhanga maitai waro, ā, ko te kounga maitai e tohua ana ko Q235. He kaha toharite tōna, ā, ko te kaha tuku he tata ki te 300 MPa. Ngā Painga: he pakari teitei, he ngāwari hoki te piko.
Rīwai (HRB400E)
Kei roto te rino whakarewa iti te rino whakapūmau. Ko te rino HRB335 he 20MnSi (20 manganese-silicon). Ko te rino HRB400 he 20MnSiV, 20MnSiNb, 20MnTi, me ērā atu. Kia mōhio ki te "E"—e tohu ana i te ātete ki te rū whenua.
Ehara i te mea ka tu atu ki te pēhanga anake engari ka tukuna hoki e ia te kaha kume tino pai.
He maha ngā kaihoko e pātai ana, "He taumaha ake te rebar i te pae porowhita o te diameter kotahi?"
I roto i te ariā: He ōrite te taumaha!
I roto i te tātaitanga ariā o te paerewa ā-motu, hei whakahaere i te hokohoko me te kaute, ahakoa te maha o ngā rara i runga i te mata, ka tatauhia te taumaha ariā mō ia mita mō te pae whakarara me te pae porowhita o te diameter kotahi mā te whakamahi i tētahi tātai kotahi.
Ae, i te mea pono, he taumaha ake te rebar rara nā ngā rara tāpiri (e kiia ana tēnei he "wehenga kino"), engari i te tatau i ngā utu rauemi, ka whakamahia e te katoa te "pūnaha ine" kotahi.
Wā tuku: Pipiri-30-2026
