Whai muri i te maha o ngā kōrero mō ngā taipitopito hangarau me te arotake i ngā tuhi hoahoa hanganga, me te tātari i ngā kawenga rū whenua, i tukuna e CHINA ROYAL STEEL tētahi otinga katoa mā te whakamahi i ngā kurupae-H, ngā maitai koki me ngā pereti maitai - katoa i whakaritea ki ngā whakaritenga e hiahiatia ana o te whare kāwanatanga. Ko ngā painga matua ko:
Ngā Kurupae-H (Anga Whakapūmau Kawenga Matua)I hangaia te pou me te kurupae o te anga whare mai i ngā kurupae H kounga Q355B (he rite ki te ASTM A36), he momo kurupae H maitai hurihuri mahana. He kaha te ātete o ēnei kurupae H ki te pikau kawenga me te rū whenua, me te kaha tuku iti rawa o te 355 MPa me te kaha kume iti rawa o te 470 MPa. Hei whakatutuki i ngā taumata papa me ngā wāhanga whare rerekē, i whakamahia ngā inenga ritenga (teitei: 200–600 mm, whānui flange: 100–250 mm, matotoru tukutuku: 6–14 mm).
Ngā maitai koki (te tautoko hanganga me te anga)I whakamahia ngā maitai koki Q235B (he rite ki te ASTM A283 Gr.C) mō ngā tautoko whakawhiti, ngā hononga tuanui me te anga pakitara. Nā te ngāwari me te piko o ēnei maitai i whai wāhi atu ki te hanganga pumau ake me te ātete ki te rū whenua. I whakarerekētia ngā āhuatanga whaiaro (te roa o te waewae: 50–125 mm, te matotoru: 5–10 mm) ki ngā hiahia hononga uaua i roto i ngā hanganga kore kawenga me ngā tono hoahoanga e hiahiatia ana he pumau ake.
Pepa Rino (Papa Papa, Whakapakari Hanganga)I whakamahia ngā pereti maitai ASTM A36 mō ngā pereti papa me ngā wāhi e tino whakapakarihia ana te hanganga. Ka maeneene te whakarewanga o ngā pereti me ngā kurupae H, ā, ka pumau te whakawhiti kawenga i raro i te āhua o te matotoru ōrite (8~20mm) me te papatahi teitei me te Whakahaere Kounga Mata tino pakari.
Te Whakatutukitanga KoungaKa whakamātauhia te hanganga matū, ngā āhuatanga miihini me te tika o ngā rahinga o ngā kōtaha maitai katoa kia tino rite. E tutuki ana ēnei i ngā paerewa o te ao ASTM, o El Salvador, o ngā waehere hanga o te rohe, ā, ka tukuna atu ngā Tiwhikete Kounga katoa ki te kāwanatanga kia whakaaetia ai te kaupapa.