He mea nui te mahi a ngā paipa maitai tui kore i roto i ngā mahi ahumahi, ā,EN 10210me te EN 10216 e rua ngā whakatakotoranga noa i roto i ngā paerewa Pākehā, e aro ana ki ngā paipa maitai tuimotu mō te whakamahinga hanganga me te whakamahinga pēhanga.

Paerewa EN 10210
Rauemi me te hanganga:
TeEN 10210e pā ana te paerewa ki ngā paipa rino kore-hono i hangaia i te wera mō ngā hanganga. Ko ngā rauemi noa ko te S235JRH, S275J0H,S355J2H, me ētahi atu. Ko ngā wāhanga matua o te koranu o ēnei rauemi ko te waro (C), te konupūmā (Mn), te silicon (Si), me ētahi atu. Ka rerekē te hanganga motuhake i runga i ngā taumata rerekē. Hei tauira, ko te ihirangi waro o te S355J2H kāore e neke ake i te 0.22%, ā, ko te ihirangi konupūmā he tata ki te 1.6%.

Te tirotiro me ngā hua kua oti:
EN 10210Me whakamātautau pakari ngā paipa rino i ngā āhuatanga ā-mīhini, tae atu ki te kaha kume, te kaha tuku me ngā whakamātautau roa. Hei tāpiri, me whakamātautau te pakari pānga hei whakarite i te mahi i roto i ngā taiao pāmahana iti. Me tutuki i te hua kua oti ngā whakaritenga mō ngā ātete ā-rahi me te kounga o te mata kua tohua i roto i te paerewa, ā, he ātete waikura te mata i te nuinga o te wā.

Paerewa EN 10216
Rauemi me te hanganga:
E pā ana te paerewa EN 10216 ki ngā paipa maitai kore hononga mō te whakamahinga pēhanga. Ko ngā rauemi noa ko te P235GH, P265GH, 16Mo3, me ētahi atu. Kei roto i ēnei rauemi ngā huānga whakarewa rerekē. Hei tauira, kāore e neke ake i te 0.16% te ihirangi waro o te P235GH, ā, kei roto ko te manganese me te silicon; kei roto ko te molybdenum (Mo) me te manganese i te 16Mo3, ā, he nui ake te ātete ki te wera.

Te tirotiro me ngā hua kua oti:
Me whai ngā paipa rino EN 10216 i tētahi raupapa o ngā tikanga tirotiro tino pakari, tae atu ki te tātari hanganga matū, te whakamātautau āhuatanga miihini me te whakamātautau kore-whakangaro (pēnei i te whakamātautau ultrasonic me te whakamātautau hihi-X). Me tutuki i te paipa rino kua oti ngā whakaritenga o te tika o ngā āhuatanga me te manawanui ki te matotoru o te pakitara, ā, me whakamātautau wai-pūmau i te nuinga o te wā kia pono ai i roto i ngā taiao pēhanga teitei.

Whakarāpopototanga
TeEN 10210ā, ko ngā paerewa EN 10216 mō ngā paipa maitai kore hononga he mea hanga mō ngā paipa maitai hanganga me te pēhanga, e kapi ana i ngā whakaritenga rauemi me te hanganga rerekē. Mā roto i ngā tikanga tirotiro me te whakamātautau tino pakari, ka whakapūmauhia ngā āhuatanga miihini me te pono o ngā paipa maitai. Ka whakaratohia e ēnei paerewa he pūtake pono mō te whiriwhiri i ngā paipa maitai i roto i ngā tono ahumahi rerekē, kia mau ai te haumaru me te pumau o te kaupapa.