S355JOHHe paerewa rauemi tēnei e pā ana ki ngā maitai hanganga koranu iti, ā, e whakamahia ana mō te hanga i ngā wāhanga hanganga tuwhera makariri me te hanganga wera. E hangai ana tēnei paerewa maitai ki te paerewa Pākehā EN 10219, ā, he tino pai mō te hanga i ngā wāhanga hanganga tuwhera makariri kua whakarewaina.
S355JOHka taea te whakamahi mō te hanga i te whānuitanga o ngā momo ngongo, tae atu ki ngā ngongo whakarewa porowhita (SSAW), ngā ngongo tuimotu (SMLS), me ngā ngongo whakarewa hononga tika (ERW, LSAW rānei).
Te tikanga o S355JOH
"S" e tohu ana i te maitai hanganga; "355" e tohu ana i te rauemi me te kaha tuku iti rawa o te 355 MPa, e whakarite ana i te pumau hanganga pai;
Ko te "J0H" e pā ana ki tētahi wāhanga tuwhera i hangaia ki te matao me te pūngao pānga o te 27 J i te pāmahana whakamātautau o te 0°C.
Te hanganga matū o S355JOH
Waro (C): 0.20% mōrahi.
Hiraka (Si): 0.55% mōrahi.
Manganese (Mn): mōrahi 1.60%
Whēkau (P): 0.035% mōrahi.
Whānariki (S): 0.035% mōrahi.
Hauota (N): 0.009% mōrahi.
Konumohe (Al): 0.020% iti rawa (kāore tēnei whakaritenga e pā mēnā he nui ngā huānga here-hauota kei roto i te maitai)
Kia mōhio mai, ka rerekē pea ngā hanganga matū motuhake i runga i te kaihanga me ngā whakaritenga hua motuhake. Hei tāpiri, ka tāpirihia pea ētahi atu huānga whakarewa, pērā i te vanadium, te nickel, te parahi, me ētahi atu, i te wā o te tukanga whakaputa hei whakarei ake i ngā āhuatanga motuhake o te maitai, engari ko te nui me te momo o ēnei huānga e tāpirihia ana me rite ki ngā paerewa e tika ana.
Ngā Āhuatanga Ā-ringa S355JOH
Ko te kaha whakaputa iti rawa o te 355 MPa;
Ngā uara kaha kume 510 MPa ki te 680 MPa;
Ko tōna roanga iti rawa e hiahiatia ana kia neke atu i te 20 ōrau;
Me mārama ko te roa o te tauira ka pāngia pea e te rahi, te āhua, me ngā āhuatanga whakamātautau, nō reira i roto i ngā tono hangarau motuhake, me titiro pea ki ngā paerewa taipitopito, me whakapā atu rānei ki te kaiwhakarato rauemi kia whiwhi raraunga tika ai.
Ngā Ahu me ngā Ātete S355JOH
Te Manawanui ki te Diameter o Waho (D)
Mō ngā diameter o waho kāore e neke atu i te 168.3mm, ko te manawanui he ±1%, ±0.5mm rānei, ko tēhea te mea nui ake.
Mō te diameter o waho he nui ake i te 168.3mm, ko te manawanui he ±1%.
Te Manawanui ki te Matotoru o te Pakitara (T)
Ko te manawanui ki te matotoru o te pakitara i runga i te rahi me te taumata matotoru o te pakitara (e whakaaturia ana i te ripanga), ko te tikanga kei roto i te ± 10% pea, kia tika ai te whakahaere i ngā tono matotoru o te pakitara, me tono he ota motuhake.
Te Manawanui ki te Roa
Ko te manawanui mō te roa paerewa (L) he -0/+50mm.
Mō ngā roa pumau, ko te manawanui he ±50mm te tikanga.
Tērā pea he kaha ake ngā whakaritenga mō ngā roa motuhake, mō ngā roa tika rānei, me whakatau i ēnei me te kōrero tahi me te kaihanga i te wā e tono ana.
Ngā Ātete Tāpiri mō ngā Wāhanga Tapawhā me te Tapawhā Whāiti
Ko te ātete ki te radius o waho o ngā kokonga o ngā wāhanga tapawhā me ngā tapawhā hāngai he 2T, ko T te matotoru o te pakitara.
Te Manawanui ki te Rerekētanga Hauroki
Arā, ko te uara mōrahi o te rerekētanga i waenga i te roa o ngā hauroki e rua o ngā wāhanga tapawhā me ngā wāhanga tapawhā, kāore i te neke atu i te 0.8% o te roa katoa.
Te Manawanui ki te Koki Matau me te Tohu Takahuri
Ko ngā ātete mō te tika (arā, te poutū o tētahi wāhanga) me te takai (arā, te papatahi o tētahi wāhanga) kua tohua taipitopitotia hoki i roto i te paerewa hei whakarite i te tika o te hanganga me te āhua whānui.
Nā tō mātou whakapau kaha ki te hiranga i roto i ngā āhuatanga katoa o te hanga, me tō mātou mōhiotanga hohonu me te wheako i roto i te umanga, kua taea e mātou te eke ki tētahi tūranga ārahi i roto i te hanga oS355JOHpaipa maitai.
E mārama ana mātou he tino kaha ngā whakaritenga mō te mahi a ngā rauemi i roto i ia kaupapa, nō reira, ehara i te mea ko ngā hua anake tā mātou e whakarato ana, engari he otinga whānui hoki mā ō mātou kiritaki. Mena he hiahia āu mō ā mātou hua, ratonga rānei, he pātai rānei āu, tēnā whakapā mai. He tohunga mātau tō mātou tīma, ā, kua rite ki te whakarato ki a koe i ngā mōhiohio taipitopito mō te hua, ngā otinga kua whakaritea, me te tautoko hangarau ngaio.
ngā tohu: en 10219, s33joh, ngā pātai auau, ngā kaiwhakarato, ngā kaihanga, ngā wheketere, ngā kaihoko, ngā kamupene, te hoko rarahi, te hoko, te utu, te whakahua, te nuinga, hei hoko, te utu.
Wā tuku: 26-Pepuere-2024