Ko te Waea Raima Raima Pai Rawa Rawa Rawa Raima
Ko te whenu maitai o mua he taura rino kua oti te hanga o te 2, 3, 7, 19 ranei nga waea rino kaha teitei, a kua tukuna he maimoatanga whakamarumaru (te maimoatanga whakapumautanga), e tika ana mo te raima totika, mo nga kaupapa rite ranei.
Ko nga ahuatanga matua o nga whenu maitai o mua ko te kaha teitei, te pai o te mahi whakangawari, me te ahua tika ina hurahia. Ko te 1860 MPa te auroro kaha kaha, a he tohu kaha penei i te 1720, 1770, 1960, 2000, me te 2100 MPa. Ko te kaha tuku o tenei maitai he tino tiketike hoki.
Ko te taura waea waro-tiketike ka kumea ki roto i te waea rino i muri i te maimoatanga o te mata, katahi ka whiria etahi waea rino ki nga whenu e ai ki te anga o te whenu maitai, katahi ka hangaia ma roto i te mahi whakapumautanga o te ahotea. Hei whakawhānui ake i te roa, ka taea e te waea rino te whakakikorua i te whakarewa, i te kore-whakakikorua ranei, i te whakakikorua ranei, penei i te galvanizing, te epoxy coating, me etahi atu. Ko te whenu maitai kua oti te whakakoi ka whai i te tukanga whakakoi pokepokea i muri i te paenga, he kikoto te hanganga, he pai ake te paparanga mata mo te punga. Ki te hanga i nga whenu rino kaore i herea (nga whenu rino kaore i herea) whakamahia nga whenu rino kua werohia o mua, ka pania ki te hinu aukati, te wax paraffin ranei, ka takai ki te polyethylene teitei (HDPE).
Nga taonga miihini
Dn/mm | Te kaha tensile Rm/MPa | Te kaha teitei o te whenu maitai katoaFm/KN | Kua tohua te kaha toronga-kore FP0.2/KN | Ko te kaha teitei te toronga katoa (L0≥500 mm)Agt/% | Mahi whakangā taumahatanga | Paerewa Whakahaere | |
Ko te kawenga tuatahi he rite ki te ōrau mōrahi o te ingoa/% | Reeti whakangā taumahatanga i muri i te 1000hr/% | ||||||
15.2 | ≥1860 | ≥260 | ≥234 | ≥3.5 | 70 | ≤2.5 | GB/T5224-2014 |
80 | ≤4.5 | ||||||
15.24 | ≥1860 | ≥260.7 | ≥234.6 | ≥3.5 | 70 | ≤2.5 | ASTMA416-2003 |
Te rahi me te rereke
Dn/mm | Whakaaetia te inenga o te diameter/mm | Tohutoro horahanga whiti sn/mm2 |
15.20 | +0.40 -0.20 | 140 |
15.24 | +0.65 -0.15 | 140 |
Whakaaturanga Taipitopito


