TLHOKOMELISO E KHUTŠOANTŠE TSA "HO FELA LISEBETSI TSA HO FOKA" TSE Mmaloa TLOAELEHANG HO FOKA LITŠEPE.

TS'ELISO: Tšepe ea forging e ka aroloa ka tšepe ea carbon, tšepe e tlase ea alloy, tšepe e mahareng le tšepe e phahameng ea alloy.Litšepe tse fapaneng li na le thepa le ts'ebeliso e fapaneng. Joalo ka 5CrMnMo, 3Cr2W8V tšepe e sebelisoang ha ho etsoa forging e chesang e shoa;1Cr13, 2Cr13, 3Cr13, 4Cr13 tšepe e sebelisoang lisebelisoa tsa bongaka;1Cr18Ni9, 1Cr18Ni9Ti tšepe e sebelisoang likarolong tse sa jeng;Mn13 tšepe e sebelisoang likarolong tse sa senyeheng;sebelisoa ka mocheso phahameng 5CrMo, 4Cr10Si2Mo tšepe bakeng sa likarolo;kapa 304, 304L, 316, 316L, 2205, 45, 42CrMo, 27SiMn, 40CrNiMo, 40Cr, Q345B/C/D/E, GCr15 tšepe, joalo-joalo bakeng sa forgings cylinder;kapa bakeng sa li-gear forgings 40Cr, 42CrMo, 20CrMnMo, 20CrMnTi, 42CrMo, 40Cr tšepe joalo-joalo.

 

Mona ke mantsoe a qotsitsoeng ho tsoa ho litšepe tse 'maloa tse tloaelehileng tsa forging bakeng sa tlhahlobo e bonolo.Sheba ka tlase:

1. 20SiMn

  • E na le matla a itseng le ho tiea, ts'ebetso e ntle ea machining, le ts'ebetso e ntle ea welding.E ka nkela tšepe ea 27SiMn le S45C sebaka;
  • E loketse bakeng sa ho tjheseletsa ha electroslag, lisebelisoa tse le 'ngoe tsa hydraulic le likarolo tse nang le karolo e kholo ea lerako;
  • Tensile matla ≥ 450;Ho hlahisa matla ≥ 255;Elongation ≥ 14;Matla a amang ≥ 39;Boholo ba karolo (bophara kapa botenya): 600 ~ 900mm;
  • Mekhoa e tloaelehileng ea phekolo ea mocheso: normalizing + tempering.

2. 35SiMn

  • E na le matla a phahameng, ho hanyetsa ho apara, ho tiea le ho hanyetsa mokhathala, ho sebetsa hantle, ho thatafalloa hantle, ts'ebetso e fokolang ea ho cheselletsa, le polasetiki e batang e bohareng ea deformation.Moruo o motle, o ka nkela 40Cr sebaka ka botlalo kapa ka karolo e 'ngoe e nkela tšepe ea 40CrNi sebaka;
  • E sebelisoa ka kakaretso ka li-shafts le likere tse fapaneng tse nyane le tse mahareng,joalo ka likere tsa transmission, shafts main, spindles, rotating shafts, connecting rods, worms, tram shafts, generator shafts, crankshafts, flywheels, hubs, impellers, handles hands, plough shafts, Thin-walled seamless pipe pipe.Li-fasteners tse fapaneng tsa bohlokoa le li-forging tse kholo le tse nyane;
  • Tensile matla ≥885MPa;Ho hlahisa matla ≥735MPa;Elongation ≥15;Matla a amang ≥47;
  • Mekhoa e tloaelehileng ea phekolo ea mocheso: ho tima likhato tse 900, ho futhumatsa metsi, ho futhumatsa likhato tse 570, ho futhumatsa metsi kapa ho pholile ha oli.

3. 50SiMn

  • Matla a phahameng le ho tiea ho hotle, khanyetso e ntle ea kutu, ho hanyetsa mocheso o phahameng oa oxidation, ts'ebetso e bonolo ea polasetiki, pheletso e phahameng ea bokaholimo, le kutloelo-bohloko ho brittleness.E ka nkela sebaka sa 40Cr;
  • E sebelisoa haholo bakeng sa likere tse kholo tsa selikalikoe, mabili le likarolo tsa shaft tse nang le likarolo tse nyane le tse mahareng.

4. 16MnCr

  • A gear steel imported from Germany, e lekanang leChina 16CrMnH, e na le ho thatafala hantle le ho sebetsa hantle, ho thatafala holimo holimo, ho hanyetsa ho apara ho phahameng, le ho ba le tšusumetso e matla ea mocheso o tlaase;
  • E atisa ho sebelisoa bakeng sa likarolo tse kholoanyane, tse kang li-gear, li-gear shafts, liboko, matsoho a tiiso, litiiso tsa oli ea turbine, matsoho a peterole le liboutu, joalo-joalo;
  • Tensile matla 880-1180;Ho hlahisa matla 635;Elongation 9;boima ≤297HB;
  • Tlhaloso ea phekolo ea mocheso: 900 ° C ho tima oli + 870 ° C ho tima oli, 200 ° C mocheso.

5. 20MnCr

  • Carburizing tšepe e tsoang Jeremane,e lekanang le 20CrMn Chaena, e ka sebelisoa e le tšepe e tingoeng le e halefileng.Ho thatafala hantle, ho senyeha ha mocheso o monyenyane oa mocheso, ho thatafala ha mocheso o tlaase, ts'ebetso e ntle ea ho itšeha, empa ho se sebetse hantle;
  • E ka sebelisoa bakeng sa likarolo tse nang le li-cross-section tse nyane, khatello e mahareng ebile ha e na tšusumetso e kholo,joalo ka li-gear, shafts, li-rods, li-sleeve, mabili a ferekaneng, liboko, li-shafts tse ka sehloohong, li-couplings, li-couplings tsa bokahohleng, liphetoho Sleeve ea molaoli oa lebelo le liboutu tsa sekoahelo sa sekepe se nang le khatello e phahameng, joalo-joalo;
  • Tensile matla 1482;fana ka matla 1232;elongation 13;tšusumetso toughness boleng 73;boima 357HB;
  • Tlhaloso ea phekolo ea mocheso: 900 ° C ho tima oli + 870 ° C ho tima oli, 200 ° C mocheso

6. 20CrMnTi

  • Carburized steel.Ho thatafala ho phahame, machinability e ntle, deformation ea machining e nyane, 'me ho hanyetsa mokhathala ho molemo.E na le tšusumetso e matla ea mocheso o tlase le ho cheseha ha mahareng;
  • E sebelisoa haholo ho likoloi tsa likoloi tsa likoloi, tse ka sebelisoang e le likere, li-gear shafts, li-ring gear, lihlooho tsa sefapano, joalo-joalo;likarolo tsa bohlokoa tse nang le karolo ea sefapano se ka tlase ho 30mm, joalo ka likere, likere, li-ring, shafts, li-sliding bearings, li-shafts tse kholo, li-claw clutches, liboko, lihlooho tsa sefapano, joalo-joalo;
  • Tensile matla≥1080(110);Ho hlahisa matla≥835(85);Elongation≥10;Matla a amang≥55;Boleng ba ho tiea ≥69(7);boima≤217HB;
  • Tlhaloso ea phekolo ea mocheso: Ho tima: lekhetlo la pele 880 ℃, lekhetlo la bobeli 870 ℃, ho pholile ha oli;ho futhumatsa 200 ℃, ho futhumatsa metsi, ho futhumatsa moea.

7. 20MnMo

  • Ts'ebetso e ntle ea welding.Sebopeho sa lik'hemik'hale sa tšepe ea SA508-3cl.2 se tšoana haholo;
  • E sebelisoa bakeng sa mocheso o bohareng le lijana tsa khatello e phahameng, tse kang hlooho, sekoahelo se ka tlaase, cylinder, joalo-joalo;
  • Matla a tsitsitseng ≥470;Ho hlahisa matla ≥275;Elongation ≥14;Matla a amang ≥31.

8. 25CrMo4

  • Matla a phahameng le ho tiea, ho thatafala ho phahameng, ho se be le bohale, ho cheseha hantle haholo, tšekamelo e tlase ea ho theha mapetsong a batang, machinability e ntle le polasetiki e batang ea serame.
  • Ka kakaretso e sebelisoa ka quenched le halefile kapa carburized le quenched state, e sebelisoa ho etsa liphaephe phahameng-khatello le fasteners tse fapa-fapaneng tse sebetsang mecheng ea litaba e sa senyang le mecha ea litaba e nang le metsoako ea nitrogen le hydrogen le mocheso o sebetsang o ka tlase ho 250 ℃, le boemo bo phahameng. ho kenella ka har'a likarolo tsa Carbon, joalo ka li-gears, shafts, lipoleiti tsa khatello, lithupa tse hokelang piston, joalo-joalo;
  • Tensile matla ≥ 885 (90);Ho hlahisa matla ≥ 685 (70);Elongation ≥ 12;Matla a amang ≥ 35;Tšusumetso ea toughness bohlokoa ≥ 98 (10);boima ≤ 212HB;
  • Tlhaloso ea phekolo ea mocheso: ho tima ho 880 ℃, ho pholisa metsi, ho futhumatsa oli;ho futhumatsa ho 500 ℃, ho pholisa metsi, ho futhumatsa oli.

9. 35CrMo

  • Matla a phahameng a creep le ho tšoarella ha mocheso o phahameng, mocheso oa nako e telele oa ho sebetsa o ka fihla ho 500 ℃;polasetiki e leka-lekaneng nakong ea deformation e batang, ts'ebetso e mpe ea weldability;mocheso o tlase ho ea ho -110 ℃, ka matla a phahameng a tsitsitseng, matla a ts'ebetso le matla a mokhathala a phahameng, ho thatafala hamonate, ho se na tšekamelo ea ho chesa haholo, ho senyeha ho honyenyane ho tima, polasetiki e amohelehang nakong ea deformation e batang, machinability ea mahareng, empa ho na le mofuta oa pele oa bohale bo hlabang, le weldability ha e ntle.E hloka ho futhumatsoa pele ho likhato tse 150 ~ 400 tsa Celsius pele e chesetsoa.Kalafo ea mocheso ka mor'a weld ho felisa khatello ea kelello.Ka kakaretso e sebelisoa ka mor'a ho tima le ho futhumatsa, e ka boela ea sebelisoa ka mor'a ho tima kapa ho tima maqhubu a phahameng le a mahareng le mocheso o tlase le o mahareng;
  • Haholo-holo e sebelisetsoa ho etsa likarolo tsa bohlokoa mecheng e fapaneng e nang le tšusumetso, ho kobeha le ho torsion, le meroalo e phahameng, joalo ka likere tse kholo tsa karolo, li-shafts tse boima tsa phetisetso, li-rotor tsa enjine ea mouoane, li-shafts tse kholo, li-shafts, likere, crankshafts, crankshafts, melamu ea hamore. , Lithupa tse kopanyang, li-fasteners, li-conduits tse nang le marako a maholo a khatello e phahameng, joalo-joalo;
  • Tensile matla ≥ 985 (100);Ho hlahisa matla ≥ 835 (85);Elongation ≥ 12;Phokotso ea sebaka ≥ 45;Matla a amang ≥ 63;Tšusumetso ea toughness bohlokoa ≥ 78 (8);Ho thatafala ≤ 229HB;
  • Tlhaloso ea phekolo ea mocheso: ho tima 850 ℃, ho futhumatsa oli;ho futhumatsa 550 ℃, ho futhumatsa metsi, ho futhumatsa oli.

10. 42CrMo

  • E na le thepa e ntle ea mochini le ho sebetsa hantle,'me matla le boima ba eona li phahame ho feta 35CrMo;
  • E sebelisetsoa ho etsa forgings ka matla a phahameng kapa karolo e kholoanyane e tingoeng le e halefileng ho feta 35CrMo steel, joalo ka likere tse kholo bakeng sa ho ts'oara li-locomotive, likere tsa phepelo ea supercharger, li-axle tse ka morao, lithupa tse hokelang, li-reducers, likhokahano tse hokahanyang universal le limaraka tsa 8.8, liboutu, linate, washer , joalo-joalo ka bophara ho fihlela ho 100mm;
  • Annealing hardness 255~207HB, quenching hardness ≥60HRC;

11. 50CrMo

  • Matla le ho thatafala li phahame ho feta 42CrMo, hangata li sebelisoa ka mor'a ho tima le ho halefa.E ka nkela tšepe e tingoeng le e halefileng sebaka ka lintho tse phahameng tsa nickel;
  • E sebelisoa ho etsa forging ka matla a phahameng kapa karolo e kholoanyane ho feta 42CrMo tšepe, joalo ka likere tse kholo bakeng sa ho hula ka terene, li-axle tse ka morao, lisilindara tsa enjene, 1200 ~ 2000m liphaephe tsa oli e tebileng ea seliba, lisebelisoa tsa ho tšoasa litlhapi, lithupa tsa piston le Kereiti ea 8.8. li-fasteners tse nang le bophara ba 100 ~ 160mm;
  • Mokhoa oa phekolo ea mocheso: ho tima 850 °;pholileng: oli;mocheso oa mocheso oa 560 °;pholileng: metsi, oli;
  • Matla a thata ke MPa1080;ntlha ea lihlahisoa ke MPa930;bolelele ke 12, phokotso ea sebaka ke 45, 'me ho monya matla ke 63;

12. 20CrMnMo

  • Litšepe tsa carburized tsa boemo bo holimo, tse matla ho feta 15CrMnMo;polasetiki e tlase hanyane le ho tiea, boima bo phahameng le thepa ea mochini ho feta 20CrMnTi;thepa e ntle e phethahetseng ea mochini le mocheso o tlase oa tšusumetso e thata ka mor'a ho tima le ho futhumatsa;e phahameng ka mor'a carburizing le quenching E na le matla a holimo a ho khumama le ho apara ho hanyetsa, empa e atisa ho ba le mapetsong nakong ea ho sila;futsanehileng weldability, a loketse bakeng sa ho hanyetsa tjheseletsa, preheating pele tjheseletsa, le tempering ka mor'a hore tjheseletsa;boqhetseke bo botle le bo sebetsang bo chesang.E ka sebelisoa sebakeng sa 12Cr2Ni4;
  • E atisa ho sebelisoa ho etsa likarolo tse kholo le tsa bohlokoa tsa carburized tse nang le boima bo phahameng, matla a phahameng, boima bo phahameng le ho hanyetsa ho roala, tse kang li-crankshafts, camshafts, li-rods tse kopanyang, li-gear shafts, gears, pin shafts, joalo-joalo;
  • Tensile matla ≥ 1180;Tlhahiso ea lihlahisoa ≥ 885;Elongation ka mor'a ho robeha ≥ 10;Ho fokotseha ha karolo ≥ 45;Tšusumetso ea ho monya mosebetsi ≥ 55;Brinell thata ≤ 217;
  • Phekolo ea mocheso: ho tima mocheso oa mocheso oa 850 ℃;mocheso oa mocheso oa mocheso oa likhato tse 200 ℃;

13. 18MnMoNb

  • Ho hanyetsa mocheso o phahameng ka tlase ho 500 ~ 530 ℃, ts'ebetso e ntle ea welding le ts'ebetso ea ts'ebetso;
  • E atisa ho sebelisoa lik'hemik'hale tse nang le khatello e phahameng ea lik'hemik'hale, li-cylinders tsa hydraulic, li-hydraulic turbine shafts, joalo-joalo. Litšepe tse tlaase tsa alloy bakeng sa li-boilers le likepe tsa khatello.E na le matla a phahameng le karo-karolelano ea lihlahisoa, ts'ebetso e ntle ea mocheso oa mocheso le ts'ebetso ea mocheso o bohareng, mokhoa o bonolo oa tlhahiso, ts'ebetso e ntle ea welding, le ho hanyetsa mocheso o phahameng.E sebelisoa ha ho etsoa li-drum tsa mouoane tse nang le khatello e phahameng ea khatello le lijana tse kholo tsa lik'hemik'hale;e boetse e sebelisoa e le li-shafts tse kholo tsa li-turbine tsa hydraulic le lijenereithara tsa hydro, le li-motor shafts tsa AC le DC;
  • Matla a tsitsitseng ≥635;Ho hlahisa matla ≥510;Elongation 17;Mocheso oa kamore o ama boleng ba bohlokoa ba 69;
  • Tlhaloso ea phekolo ea mocheso: ho tloaeleha ho tloaelehileng + ho futhumatsa: 950~980℃ normalizing, ho boloka mocheso 1.5min~2.0min/mm, 600~650℃ tempering, ho boloka mocheso 5min~7min/mm, ho pholisa moea.

14.42MnMoV

  • Tšepe ea alloy e timisitsoeng le e halefileng.E ka nka sebaka sa 42CrMo;
  • Haholo-holo e sebelisetsoang ho etsa shafts le likere, joalo-joalo;
  • Bokaholimo ba ho tima boima ke 45 ~ 55HRC;matla a matla ≥765;tlhahiso ea matla ≥590;elongation ≥12;ho fokotseha ha sebaka ≥40;matla a matla ≥31;boima ba 241-286HB.

 

Mohloli:Lingoliloeng tsa litsebi tsa mechini.

Mohlophisi: Ali


Nako ea poso: Nov-16-2021