Pepa maitai ASTM SA283GrC/Z25 i tukuna i roto i te āhua hurihuri wera SA283GrC Āhua tuku:
Tūnga tuku SA283GrC: I te nuinga o te wā, i roto i te āhua tuku kua hurihia ki te wera, me whakaatu te tūnga tuku motuhake i roto i te pūtāhui.
Te uara o te whānuitanga o te hanganga matū SA283GrC: Kia mōhio: Ko te hanganga matū tuturu i roto i te pūtāhui wheketere maitai te mea e whai mana ana.
Waro C: ≤0.24 Si: (pereti maitai ≤40) ≤0.40 (pereti maitai > 40) 0.15-0.40
Manganese Mn: ≤0.90 Whāwhā S: ≤0.040 Whero P: ≤0.035
Parahi Cu: 0.20, iti iho rānei
He pai te pereti maitai SA283GrC mō te whakakī, te whakapūmau me te whakarewa i ngā hanganga mō ngā piriti me ngā whare. He maitai hanganga waro whānui tēnei, he kounga maitai hanganga.
Tūnga tuku pereti maitai SA283GrC: hurihuri wera, hurihuri whakahaere, āhua tuku noa
Rauemi mō te hanga pereti maitai SM400ZL oumu pupuhi:
Ko te SM400ZL he paerewa Hapanihi mō te pereti maitai kaha-teitei, he iti-koranu mō te anga whakawhiti. E whakamārama ana tēnei paerewa i te rahi, te āhua, ngā whakaritenga hangarau, ngā tikanga whakamātautau, ngā ture tirotiro, te takai, ngā tohu me ngā tiwhikete kounga o ngā pereti maitai mō ngā anga oumu pupuhi, te anga whakawhiti me te oumu pupuhi wera. E pā ana ki te pereti maitai mō te anga oumu he matotoru 8mm~200mm. Ko te rerekētanga matotoru kino o te pereti maitai SM400ZL he iti noa ki te -0.25mm, ā, me tutuki te rohe manawanui matotoru ki te GB/T709.
Pereti maitai S355NL [8-200 matotoru] hanganga tapahi, rārangi rauemi:
Paerewa whakahaere S355NL: EN10025-3: ingoa katoa: te whakataurite/te whakataurite i te pereti maitai hanganga anga-pai kua hurihia kia taea te whakarewa. Ka whakakapia ngātahitia e tēnei paerewa me te EN10025-1 ngā hua maitai hanganga anga-pai kua hurihia kia taea te whakarewa EN 10113-1:1993 Wāhanga I: Ngā tikanga whānui me ngā hua maitai hanganga anga-pai kua hurihia kia taea te whakarewa EN 10113-2:1993 Wāhanga II: te whakataurite/te whakataurite i ngā tikanga maitai kua hurihia. Ina kore te pāmahana o te karaehe e iti iho i te - 20 ° C, ka whakaaturia te uara iti rawa o te kaha pānga kua tohua ki te N; ina kore te pāmahana e iti iho i te - 50 ° C, ka whakaaturia te uara iti rawa o te kaha pānga kua tohua ki te NL.
2. Ko te tikanga e rite ana o te reta tohu pereti maitai S355NL:
S: maitai hanganga, N: āhua, whakapaipai L: te taumata o te kaha pānga iti rawa kua tohua ina kore te pāmahana e iti iho i te - 50 ° C
Pereti maitai S355ML [8-200mm te matotoru] hurihuri wera-mīhini
Ka tukuna te pereti maitai S355ML i roto i te āhua hurihuri miihini wera
Ngā Whakaritenga Hanganga Matū S355ML
C:≤0.14，Si：≤0.5，Mn：≤1.6，P：≤0.025，S：≤0.02，Nb：≤0.05，V：≤0.1，A l：≤0.02，Ti：≤0.05，Cr：≤0.3，Ni：≤0.5，Mo：≤0.1，Cu：≤0.55，N：≤0.015.
Ko te pereti maitai S355ML he maitai hanganga angiangi ka taea te huri wera, ā, nō roto i te raupapa o ngā pereti maitai kaha-teitei he iti te koranu. He hua huri papatahi, kāore e neke atu i te 120mm te matotoru, ā, he hua roa, kāore e neke atu i te 150mm te matotoru. Ko te S te tikanga o te maitai hanganga, ko te 355 te tohu ko te uara hua iti o te matotoru e tika ana i raro i te 16mm ko te 355MPa, ā, ko te M te tohu i tana tukunga, arā, ko te huri wera. Ko te ture ko te pānga i te pāmahana kāore e iti iho i te -50 nekehanga ka tohua e te reta matua L. Ko te S355 he maitai hanganga kore-koranu.
Te whānuitanga o te tono o te pereti maitai S355ML
Haunga te maitai EN10,025-1, ko te mahere maitai kua tohua motuhaketia i roto i tēnei paerewa ka whakamahia hoki mō ngā wāhanga pikau kawenga o ngā hanganga whakarewa e whakamahia ana i te taha o ngā piriti, ngā waikeri, ngā tāke rokiroki, ngā tāke tuku wai, me ētahi atu, me te pāmahana iti.
Wā tuku: Hakihea-14-2022
