Steel Q195, Q235, umahluko kwizinto eziphathekayo?

Uthini umahluko phakathi kwe-Q195, i-Q215, i-Q235, i-Q255 kunye ne-Q275 ngokubhekiselele kwizinto eziphathekayo?

I-Carbon structural steel yintsimbi esetyenziswa kakhulu, elona nani likhulu lihlala liqengqeleka kwintsimbi, iiprofayili kunye neeprofayili, ngokuqhelekileyo akufuneki ukuba kusetyenziswe ubushushu obuchanekileyo, ubukhulu becala kwisakhiwo kunye nobunjineli ngokubanzi.

I-Q195, i-Q215, i-Q235, i-Q255 kunye ne-Q275, njl., ngokulandelanayo, ibonisa ibakala lentsimbi, ibakala lensimbi ngummeli wenqaku lesivuno seleta (Q), ixabiso lexabiso lesivuno, umgangatho, umgangatho kunye nezinye iimpawu (A , B, C, D) indlela ye-deoxygenation yeesimboli kunye nokunye kumacandelo amane okubunjwa okulandelelanayo. Ukususela kwimichiza yeekhemikhali, amabakala ensimbi ethambileyo Q195, Q215, Q235, Q255 kunye ne-Q275 amabakala amakhulu, aphezulu umxholo wekhabhoni, umxholo we-manganese, uzinzile ngakumbi iplastiki yayo. Iimpawu zomatshini ezivela kumanqaku, amabakala angasentla abonisa ukuba ubukhulu ≤ 16mm kwinqanaba lemveliso yentsimbi. Amandla ayo obunzima: 315-430, 335-450, 375-500, 410-550, 490-630 (obN / mm2); qi ubude bayo babu: 33, 31, 26, 24, 20 (0.5%). Ngoko ke, xa uzisa intsimbi kubathengi, abathengi kufuneka bakhunjuzwe ukuba bathenge izinto ezahlukeneyo zetsimbi ngokwezinto ezifunekayo zemveliso, ukuze bangachaphazeli umgangatho wemveliso.

 

Uthini umahluko phakathi kwe-Q235A kunye ne-Q235B izixhobo?

I-Q235A kunye ne-Q235B zombini ziyintsimbi ye-carbon. Kumgangatho wesizwe we-GB700-88, i-Q235A kunye ne-Q235B ukuhlukana kwezinto ngokuyinhloko kwi-carbon content yensimbi, izinto eziphathekayo ze-Q235A ze-carbon content kwi-0.14-0.22 ﹪ phakathi; Izinto ze-Q235B azenzi uvavanyo lwempembelelo, kodwa zihlala zisenza uvavanyo lwefuthe lobushushu, i-V-notch. Xa sithelekisa, iipropathi zoomatshini zentsimbi ye-Q235B zingcono kakhulu kune-Q235A yentsimbi. Ngokubanzi, intsimbi yokusila kwiiprofayili ezigqityiweyo ngaphambi kokushiya umzi-mveliso ziphawulwe kwipleyiti yokuchonga. Abasebenzisi banokuxela ukuba ingaba impahla yi-Q235A, i-Q235B, okanye ezinye izinto ezikwipleyiti yokumakisha.

 

amabakala entsimbi Japanese SPHC, SPHD, njl. Zithetha ntoni?

Intsimbi yaseJapan (i-JIS series) amabakala entsimbi yesakhiwo eqhelekileyo iquka iinxalenye ezintathu: inxalenye yokuqala ibonisa izinto eziphathekayo, ezifana: S (Steel) ithetha intsimbi, F (Ferrum) ithetha intsimbi. Inxalenye yesibini yeemilo ezahlukeneyo, iindidi, ukusetyenziswa, njengeP (ipleyiti) loo pleyiti, T (ityhubhu), K (kogu) eso sixhobo. Inxalenye yesithathu yeempawu zetheyibhile zenani, ngokubanzi amandla asezantsi e-tensile. Ezifana: ss400 - s yokuqala ukuba intsimbi (Steel), okwesibini s ukuba "ulwakhiwo" (Structuree), 400 ukuba amandla umgca osezantsi 400Mpa zentsimbi yesakhiwo eqhelekileyo. Phakathi kwazo: sphc ---- kuqala Ssteel Steel isishunqulelo, P kwipleyiti Pate isishunqulelo, H ngenxa ubushushu Ubushushu isishunqulelo, isifinyezo Commercial, iyonke ibonisa ukuba ngokubanzi hot-rolled kunye strip steel.

 

I-SPHD----- ichaza ishidi yentsimbi eshushu esongiwe kunye nomcu wokunyathela.

I-SPHE------ ichaza amashiti entsimbi ashushu kunye nemicu yokuzoba nzulu.

I-SPCC------ ichaza i-carbon sheet steel sheet ebandayo kunye nomcu wokusetyenziswa ngokubanzi, olingana ne-China Q195-215A grade. Unobumba wesithathu C sisishunqulelo se-Cold, efunekayo ukuze kuqinisekiswe uvavanyo lwe-tensile ekupheleni kwebakala kunye no-T we-SPCCT.

I-SPCD------ ibonisa intsimbi ye-carbon rolled ebandayo kunye nentsimbi yentsimbi yokubethelwa, elingana neChina 08AL (13237) ikhwalithi ephezulu ye-carbon structural steel.

I-SPCE------ ichaza ishidi lentsimbi yekhabhoni epholileyo kunye nomcu womzobo onzulu, olingana neChina 08AL (5213) yokubhoboza intsimbi. Ukuqinisekisa ukungasebenzi kakuhle, yongeza i-N kwi-SPCEN ekupheleni kwebakala.

Icwecwe lentsimbi yekhabhoni epholileyo kunye nokutyunjwa komcu, imeko efakwe kwi-A, iqondo eliphantsi le-S, i-1/8 inzima kwi-8, i-1/4 inzima kwi-4, i-1/2 inzima kwi-2.

Ikhowudi yokugqiba indawo: akukho gloss igqibezela i-D, igloss finishing ye-B. Efana ne-SPCCT-SD ibonisa umgangatho obushushu, akukho gloss egqibezela i-carbon sheet epholileyo yokusetyenziswa ngokubanzi. Emva koko i-SPCCT-SB ibonisa ukuba nomsindo osemgangathweni, ogqityiweyo oqaqambileyo, obandayo oqengqelekayo wekhabhoni oneempawu eziqinisekisiweyo zoomatshini.