Isishwankathelo seNtsimbi eSimahla ye-12L14
A intsimbi enomxholo ophezulu kunesiqhelo wesalfure kunye ne-phosphorus eyenzelwe ukwenziwa kwezixhobo zoomatshini ezizenzekelayo nezizenzekelayo ngokukhawuleza. Intsimbi ekhululekileyo iveliswa ngohlobo lweentonga, kwaye iqulethe i-0.08–I-0.45 yepesenti yekhabhoni, 0.15–I-silicon eyi-0.35%, 0.6–I-1.55% ye-manganese, 0.08–I-0.30 yepesenti yesalfure, kunye ne-0.05–I-phosphorus eyi-0.16 ekhulwini. Umxholo ophezulu wesalfure ukhokelela ekwakhiweni kwezinto ezibandakanyiweyo (umzekelo, i-manganese sulfide) ezibekwe ecaleni kweenkozo. Ezi zinto zibandakanyiweyo zenza kube lula ukucheba kwaye zikhuthaza ukugaywa kunye nokwenziwa kweetshiphusi lula. Ngezi njongo, intsimbi esika ngokukhululekileyo ngamanye amaxesha ixutywa ne-lead kunye ne-tellurium.
I-12L14 luhlobo lwentsimbi yekhabhoni evuselelweyo nephinda ifakelwe i-phosphor ukuze isetyenziselwe ukusika nokulungisa izinto. Intsimbi yesakhiwo (i-automatic Steel) inomatshini osebenza kakuhle kwaye inamandla aphantsi ngenxa yezinto ezixutywayo ezifana neSulfur kunye neLead, ezinokunciphisa ukumelana nokusika kwaye ziphucule ukugqitywa kunye nokuchaneka kweendawo ezenziwe ngomatshini. Intsimbi ye-12L14 isetyenzisiwe kakhulu ekwenzeni iindawo zezixhobo ezichanekileyo, iindawo zemoto kunye neendawo ezibalulekileyo zeentlobo ngeentlobo zoomatshini, ukusetyenziswa okuqhelekileyo kubandakanya ii-bushings, ii-shafts, ii-inserts, ii-couplings, ii-fittings njl.
Izinto ezilingana nentsimbi eziyi-12L14
| I-AISI | I-JIS | I-DIN | GB |
| 12L14 | I-SUM24L | 95MnPb28 | Y15Pb |
12L14 Ulwakhiwo lweeKhemikhali
| Izinto eziphathekayo | C | Si | Mn | P | S | Pb |
| 12L14 | ≤0.15 | (≤0.10) | 0.85-1.15 | 0.04-0.09 | 0.26-0.35 | 0.15-0.35 |
Ipropati yoomatshini ye-12L14
| Amandla okuxinana (MPa) | Amandla okuvelisa (i-MPa) | Ukwandiswa (%) | Ukunciphisa indawo (%) | Ukuqina |
| 370-520 | 230-310 | 20-40 | 35-60 | 105-155HB |
Inzuzo yentsimbi e-12L14 Free-Cutting Steel
Ezi ntsimbi zisebenza ngomatshini ophezulu ziqulathe ilothe kunye nezinye izinto ezifana ne-tellurium, i-bismuth kunye ne-sulphur eziqinisekisa ukwakheka kweetshiphusi ezininzi kwaye zivumela ukusebenza ngesantya esiphezulu, nto leyo enyusa imveliso ngelixa kugcinwa izixhobo ezisetyenzisiweyo.JINDALAIibonelela ngeentsimbi ezisikayo ngokukhululekileyo ngendlela yeebhari ezigoqiweyo nezitsaliweyo.
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EN45/EN47/EN9 Ifektri yeNsimbi yeSpring
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