Ko te kōwhiringa o ngā kurupae H me ahu mai i ngā āhuatanga matua e toru e kore e taea te whiriwhiri, nā te mea e pā tika ana ēnei ki te tutuki o te hua i ngā whakaritenga hoahoa hanganga.
Taumata RauemiKo ngā rauemi tino noa mō ngā kurupae H ko te maitai hanganga waro (pērā i teQ235B, Q355B H Kurupaei roto i ngā paerewa Hainamana, iA36, A572 H Kurupae(i roto i ngā paerewa o Amerika) me te maitai kaha-teitei iti-koranu. He pai te Q235B/A36 H Beam mō ngā hanganga ā-iwi whānui (hei tauira, ngā whare noho, ngā wheketere iti) nā te mea he pai te whakarewa me te utu iti; ko te Q355B/A572, me te kaha whakaputa teitei ake (≥355MPa) me te kaha kume, he pai ake mō ngā kaupapa taumaha pēnei i ngā piriti, ngā awheawhe whānui, me ngā matua whare teitei, nā te mea ka taea e ia te whakaiti i te rahi whakawhiti-wāhanga o te kurupae me te penapena wāhi.
Ngā Whakatakotoranga AhuE toru ngā ine matua mō ngā kurupae H: te teitei (H), te whānui (B), me te matotoru o te tukutuku (d). Hei tauira, he kurupae H kua tapaina ko "H300×150×6×8"ko tōna teitei he 300mm, he whānui he 150mm, he matotoru te whatu he 6mm, ā, he matotoru te flange he 8mm. He maha ngā wā ka whakamahia ngā kurupae H iti (H≤200mm) mō ngā hanganga tuarua pērā i ngā kurupae papa me ngā tautoko wehewehe; ko ngā mea rahi-waenga (200mm
Te Mahi MīhiniArotahi ki ngā tohu pēnei i te kaha tuku, te kaha kume, me te pakari pānga. Mō ngā kaupapa i ngā rohe makariri (hei tauira, te raki o Haina, Kanata), me paahitia e ngā kurupae H ngā whakamātautau pānga pāmahana iti (pēnei i te pakari pānga -40℃ ≥34J) kia kore ai e pakaru te hanganga i ngā āhuatanga hukapapa; mō ngā rohe rū whenua, me whiriwhiri ngā hua he pai te ngāwari (te roa ≥20%) hei whakarei ake i te ātete rū whenua o te hanganga.