Kakaretso ea tšepe ea 12L14 e sehang mahala
A tšepe e nang le sebabole le phosphorus tse nang le lintho tse phahameng ho feta tse tloaelehileng tse reretsoeng ho etsoa ha likarolo tsa lisebelisoa tsa mochine o itekanetseng le oa semiautomatic. Litšepe tse sa lefelloeng li hlahisoa ka mokhoa oa lithupa, 'me li na le 0.08-0,45 lekholong carbon, 0,15-0,35 lekholong silicon, 0,6-1,55 lekholong manganese, 0,08-0.30 lekholong sebabole, le 0.05-0,16 lekholong ea phosphorus. Lintho tse ngata tsa sebabole li lebisa ho thehoeng ha li-inclusions (mohlala, manganese sulfide) tse lahliloeng haufi le lijo-thollo. Likakaretso tsena li thusa ho kuta le ho khothaletsa ho sila le ho theha chip ha bonolo. Bakeng sa merero ena, tšepe e sa lefelloeng ka linako tse ling e kopantsoe le lead le tellurium.
12L14 ke mofuta oa tšepe ea k'habone e entsoeng ka resulfurized le rephosphorized bakeng sa lisebelisoa tsa mahala tsa ho itšeha le tsa machining. Mohaho oa tšepe (automatic Steel) o na le machinability e babatsehang le matla a tlaase ka lebaka la likarolo tsa alloying tse kang Sulfur le lead, tse ka fokotsang ho hanyetsa ho itšeha le ho ntlafatsa qetello le ho nepahala ha likarolo tse entsoeng ka mochine. 12L14 tšepe e sebelisitsoe haholo ha ho etsoa likarolo tsa lisebelisoa tse nepahetseng, likarolo tsa koloi le likarolo tsa bohlokoa tsa mefuta e fapaneng ea mochini, lits'ebetso tse tloaelehileng tse kenyelletsang lihlahla, li-shafts, li-insert, li-couplings, li-fittings joalo-joalo.
12L14 Steel Equivalent Material
AISI | JIS | DIN | GB |
12L14 | SUM24L | 95MnPb28 | Y15Pb |
12L14 Sebopeho sa Lik'hemik'hale
Lintho tse bonahalang | 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 |
12L14 Thepa ea Mechini
Tensile Matla (MPa) | Matla a lihlahisoa (MPa) | Elongation (%) | Phokotso ea sebaka (%) | Ho thatafala |
370-520 | 230-310 | 20-40 | 35-60 | 105-155HB |
Monyetla oa tšepe ea 12L14 e sehang mahala
Litšepe tsena tse phahameng tsa machina li na le lead le lintho tse ling tse kang tellurium, bismuth le sulfur tse netefatsang sebopeho se eketsehileng sa chip le ho nolofalletsa ho sebetsa ka lebelo le phahameng, ka lebaka leo li eketsa tlhahiso ha li ntse li boloka lisebelisoa tse sebelisoang.JINDALAIe fana ka litšepe tse sehang mahala ka mokhoa oa mekoallo e kolobisitsoeng le e huloang.