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“O MEA FA'A FAI” FA'AALI'AGA PU'upu'u O NISI U'A FA'A'O MASANI.

FAAMATALAGA: E mafai ona vaevaeina u'amea u'amea i uamea carbon, u'amea u'amea maualalo, u'amea u'amea uamea ma u'amea maualuga.O u'amea 'ese'ese e 'ese'ese uiga ma fa'aoga. E pei o 5CrMnMo, 3Cr2W8V uamea faʻaaogaina i le gaosiga o paʻu vevela vevela;1Cr13, 2Cr13, 3Cr13, 4Cr13 uamea faʻaaogaina i meafaigaluega faʻafomaʻi;1Cr18Ni9, 1Cr18Ni9Ti uʻamea faʻaaogaina i vaega faʻafefete;Mn13 uʻamea faʻaaogaina i vaega e faʻafefe;fa'aaogaina i le vevela maualuga 5CrMo, 4Cr10Si2Mo sila mo vaega;poʻo le 304, 304L, 316, 316L, 2205, 45, 42CrMo, 27SiMn, 40CrNiMo, 40Cr, Q345B / C / D / E, GCr15 sila, ma isi mo faʻamau faʻalava;po'o mo mea fa'apipi'i 40Cr, 42CrMo, 20CrMnMo, 20CrMnTi, 42CrMo, 40Cr uamea ma isi.

 

O se vaega lenei mai le tele o u'amea masani mo se auiliiliga faigofie.Va'ai i lalo:

1. 20SiMn

  • O lo'o i ai le malosi ma le ma'a'a'a, lelei le fa'aogaina o masini, ma lelei le fa'atinoina o le uelo.E mafai ona sui 27SiMn ma S45C sila;
  • Talafeagai mo electroslag uelo, tasi hydraulic props ma vaega e tele vaega mafiafia puipui;
  • Malosiaga tensile ≥ 450;Tuuina atu le malosi ≥ 255;Elongation ≥ 14;Malosiaga a'afiaga ≥ 39;Vaega tele (diamita poʻo le mafiafia): 600 ~ 900mm;
  • Metotia masani o le vevela: faʻasalaina + faʻafefe.

2. 35SiMn

  • E maualuga le malosi, ofuina tete'e, toughness ma le vaivai tete'e, machinability lelei, hardenability lelei, le lelei uelo faatinoga, ma medium malulu deformation plasticity.Lelei tamaoaiga, e mafai ona suia atoa 40Cr poʻo se vaega sui 40CrNi sila;
  • E masani ona faʻaaogaina i laʻititi laʻititi ma feololo lapopoa ma mea faʻaoga,e pei o mea e fa'asalalau ai, u'amea autu, va'a, vili fa'ata'amilo, to'a fa'afeso'ota'i, anufe, tram shafts, generator shafts, crankshafts, flywheels, hubs, impellers, suo, suotosina, manifinifi puipui seamless paipa.Fa'amau taua eseese ma fa'amau tetele ma laiti;
  • Malosiaga tensile ≥885MPa;Tuuina atu le malosi ≥735MPa;Elongation ≥15;Malosiaga a'afiaga ≥47;
  • Auala masani o togafitiga vevela: tineia 900 tikeri, vai malulu, faʻafefe 570 tikeri, faʻafefe vai poʻo le suauʻu suauʻu.

3. 50SiMn

  • Le malosi maualuga ma le malosi lelei, lelei le pala, maualuga le vevela o le faʻamaʻiina o le faʻamaʻiina, faigofie faʻapipiʻi palasitika, maualuga maualuga le maeʻa, ma le maaleale i le ita brittleness.E mafai ona sui le 40Cr;
  • E masani ona faʻaaogaina mo taʻavale mama tetele, uili ma vaega o le 'au faʻatasi ai ma vaega laiti ma feololo.

4. 16MnCr

  • O se u'amea uamea na aumai mai Siamani, e tutusa ma16CrMnH a Saina, e lelei le fa'a'a'a'a ma lelei machinability, maualuga maualuga i luga o le maaa, maualuga ofuina tete'e, ma maualuga maualalo-vevela aafiaga toughness;
  • E masani ona faʻaaogaina mo vaega tetele, e pei o mea faʻaoga, mea faʻaoga, anufe, faʻamau faʻamaufaʻailoga, faʻamaufaʻailoga suauu turbine, lima penisini ma faʻamau, ma isi;
  • Malosi tensile 880-1180;Malosi fua 635;Fa'aumi 9;Malosi ≤297HB;
  • Faʻamatalaga faʻamaʻi vevela: 900 ° C suauʻu tineia + 870 ° C suauʻu tineia, 200 ° C tempering.

5. 20MnCr

  • O se uamea carburizing na aumai mai Siamani,e tutusa ma le 20CrMn i Saina, e mafai ona faʻaaogaina e pei o le tineia ma le faʻafefe.Fa'amalo lelei, deformation togafitiga vevela itiiti, lelei maualalo vevela toughness, lelei tipiina faatinoga, ae le lelei weldability;
  • E mafai ona faʻaaogaina mo vaega e iai se vaega laʻititi laʻititi, mamafa mamafa ma leai se uta tele o aʻafiaga,e pei o mea faʻapipiʻi, faʻamau, paʻu faʻafesoʻotaʻi, rotors, lima, uili feliuliuaʻi, anufe, faʻaulu autu, faʻapipiʻi, soʻotaga lautele, fetuutuunaiga O le lima o le saoasaoa faʻatonutonu ma faʻamau o le ufiufi ufiufi o le vaʻa maualuga, ma isi;
  • Malosi tensile 1482;maua le malosi 1232;faaumiumi 13;tau le malosi o a'afiaga 73;maaa 357HB;
  • Faʻamatalaga faʻamaʻi vevela: 900 ° C suauʻu tineia + 870 ° C suauʻu tineia, 200 ° C tempering

6. 20CrMnTi

  • Uamea uamea.O le faʻamalosi e maualuga, o le masini e lelei, o le faʻaogaina o masini e laʻititi, ma e lelei le teteʻe o le vaivai.E iai le malosi maualuga o le vevela o le a'afiaga ma le fa'aogaina lelei;
  • E masani ona faʻaaogaina i mea faʻapipiʻi taʻavale, lea e mafai ona faʻaaogaina e pei o mea faʻaoga, mea faʻapipiʻi, mama mama, ulu koluse, ma isi;vaega taua ma se vaega koluse e itiiti ifo i le 30mm, e pei o uaea, uaea mama, uamea, sliding bearings, autu autu, pipii matiuuu, anufe, ulu koluse, ma isi;
  • Malosiaga tensile≥1080(110);Malosiaga tu'u≥835(85);Elongation≥10;Aafiaga malosi≥55;A'afiaga faigata taua≥69(7);Malosi≤217HB;
  • Fa'amatalaga togafitiga vevela: Quenching: taimi muamua 880 ℃, taimi lona lua 870 ℃, suau'u malulu;fa'afefeteina 200 ℃, fa'amalieina vai, fa'amalulu ea.

7. 20MnMo

  • Lelei fa'atinoga uelo.O le vailaʻau vailaʻau o SA508-3cl.2 uamea e tutusa lelei;
  • Faʻaaogaina mo vaʻa vevela vevela ma vaʻa maualuga, e pei o le ulu, pito i lalo, paʻu, ma isi;
  • Malosiaga tensile ≥470;Malosiaga tuʻuina ≥275;Elongation ≥14;Malosiaga a'afiaga ≥31.

8. 25CrMo4

  • Malosiaga maualuga ma le faigata, maualuga hardenability, leai brittleness ita, lelei tele weldability, maualalo le uiga e fausia ta'e malulu, machinability lelei ma le malulu strain plasticity.
  • E masani ona faʻaaogaina i le tineia ma le faʻafefe poʻo le carburized ma tineia setete, e faʻaaogaina e gaosia ai paipa maualuga ma faʻamau eseese e galue i ala o faasalalauga e le faʻaleagaina ma ala o faʻasalalauga o loʻo i ai faʻafefiloi nitrogen ma hydrogen ma se vevela galue i lalo ole 250 ℃, ma maualuga maualuga. infiltration Vaega kabone, e pei o gears, shafts, ipu mamafa, piston connecting rods, ma isi;
  • Malosiaga tensile ≥ 885 (90);Malosiaga e maua ai ≥ 685 (70);Elongation ≥ 12;Malosiaga a'afiaga ≥ 35;A'afiaga faigata taua ≥ 98 (10);Malosi ≤ 212HB;
  • Faʻamatalaga faʻamaʻi vevela: tineia i le 880 ℃, faʻamalulu vai, faʻamafanafana suauʻu;faʻafefe i le 500 ℃, faʻafefe vai, faʻafefe suauʻu.

9. 35CrMo

  • O le malosi o le fetolofi maualuga ma le tumau i le maualuga o le vevela, o le vevela galue umi e mafai ona oʻo i le 500 ℃;palasitika feololo i le taimi o le malulu deformation, le lelei weldability;maualalo le vevela i le -110 ℃, faʻatasi ai ma le malosi maualuga, aʻafiaga o le malosi ma le maualuga o le vaivai malosi, Faʻamalosi lelei, leai se faʻamalosi e faʻafefeteina, faʻafefeteina laʻititi, palasitika taliaina i le taimi o le malulu, machinability, ae o loʻo i ai le ituaiga muamua o le ita brittleness, ma le weldability e le lelei.E manaʻomia le faʻamafanafanaina i le 150 ~ 400 tikeri Celsius aʻo leʻi faʻapipiʻiina.Togafitiga o le vevela pe a uma le faʻafefe e faʻaumatia ai le atuatuvale.E masani ona faʻaaogaina pe a uma ona faʻafefeteina ma faʻafefeteina, e mafai foi ona faʻaaogaina pe a maeʻa le maualuga ma le vaeluaga o le faʻafefeina o luga poʻo le tineia ma le maualalo o le vevela o le vevela;
  • E masani ona faʻaaogaina e gaosia ai vaega taua i masini eseese o loʻo i ai le aʻafiaga, punou ma le faʻafefe, ma le maualuga o uta, e pei o le tele o vaega o mea, o le mamafa o le felauaiga o le afi, o le afi afi afi afi, o le autu autu, o le lagolago, o mea faʻaoga, o le uila, o le samala. , La'au fa'afeso'ota'i, fa'amau, fa'alava puipui mafiafia e le'i fa'aoso maualuga, ma isi;
  • Malosiaga tensile ≥ 985 (100);Malosiaga ≥ 835 (85);Elongation ≥ 12;Fa'aitiitiga o le eria ≥ 45;Malosiaga a'afiaga ≥ 63;A'afiaga faigata taua ≥ 78 (8);Malosi ≤ 229HB;
  • Fa'amatalaga togafitiga vevela: tineia 850 ℃, fa'amafanafana suau'u;fa'afefeteina 550 ℃, fa'amalo vai, fa'amalulu suau'u.

10. 42CrMo

  • E iai mea fa'ainisinia lelei ma mafai ona galue,ma o lona malosi ma le maaa e maualuga atu i le 35CrMo;
  • Faʻaaogaina e gaosia ai faʻamaʻi ma le malosi maualuga atu poʻo le tele tineia ma le ita vaega nai lo 35CrMo uʻamea, e pei o mea tetele mo le locomotive traction, supercharger gears felauaiga, axles tua, tootoo fesoʻotaʻi, faʻaitiitia, fesoʻotaʻiga soʻo fesoʻotaʻiga lautele ma 8.8 togi , Bolts, nati, fufulu. , ma isi i le lautele e oo atu i le 100mm;
  • Fa'amalo maaa 255～207HB, tineia maaa ≥60HRC;

11. 50CrMo

  • Malosi ma faʻamalosi e maualuga atu nai lo le 42CrMo, e masani ona faʻaaogaina pe a uma ona faʻafefe ma faʻafefe.E mafai ona suitulaga uamea tineia ma uamea i luga o le nickel content;
  • Faʻaaogaina e gaosia ai faʻamaʻi ma le malosi maualuga atu poʻo se vaega sili atu nai lo le 42CrMo uʻamea, e pei o le tele o mea mo le locomotive traction, supercharger transmission gears, axles tua, afi afi, 1200 ~ 2000m suauʻu loloto vili paipa sooga, meafaigaluega fagota, piston rods ma Vasega 8.8 faʻamau faʻatasi ma le lautele o le 100 ~ 160mm;
  • Faʻagasologa o togafitiga vevela: faʻamalo 850 °;coolant: suauu;vevela vevela 560°;coolant: vai, suauu;
  • O le malosi faʻamalosi o le MPa1080;o le fua o le MPa930;o le elongation o le 12, o le faʻaititia o le eria e 45, ma o le aʻafiaga o le aʻafiaga o le 63;

12. 20CrMnMo

  • High-grade carburized sila, malosi maualuga atu nai lo 15CrMnMo;palasitika laititi laititi ma faigata, faʻamalosi maualuga ma mea faʻainisinia nai lo 20CrMnTi;lelei atoatoa mea tau masini ma maualalo le vevela aafiaga faigata pe a uma ona tineia ma ita;maualuga pe a uma le carburizing ma tineia E maualuga le malosi o le punou ma le ofuina o le tetee, ae e faigofie ona ta'e i le taimi o le olo;le lelei weldability, talafeagai mo le uelo tetee, muaʻi faʻavevela ao leʻi faʻapipiʻiina, ma le faʻafefe pe a uma le faʻafefe;machinability lelei ma workability vevela.E mafai ona faʻaaogaina nai lo le 12Cr2Ni4;
  • E masani ona faʻaaogaina e gaosia ai vaega tetele ma taua carburized ma maualuga maaa, malosi maualuga, malosi maualuga ma ofuina teteʻe, e pei o crankshafts, camshafts, faʻafesoʻotaʻi tootoo, gear shafts, gears, pine pine, ma isi;
  • Malosiaga tensile ≥ 1180;Tuuina atu ≥ 885;Elongation pe a uma gau ≥ 10;Fa'aitiitiga vaega ≥ 45;A'afiaga o galuega ≥ 55;Malosi Brinell ≤ 217;
  • Togafitiga vevela: tineia vevela vevela o le 850 ℃;tempering vevela vevela o le 200 ℃;

13. 18MnMoNb

  • Tete'e maualuga o le vevela i lalo ifo o le 500 ~ 530 ℃, lelei le uelo ma le fa'atinoina o galuega;
  • E masani ona faʻaaogaina i vailaʻau faʻamalosi maualuga, vaʻa faʻagogo, uila turbine hydraulic, ma isi mea.O loʻo i ai le maualuga o le malosi ma le fua faʻatatau, lelei le gaosiga o le vevela ma le faʻaogaina o le vevela, faʻagasologa faigofie o le gaosiga, faʻalelei lelei, ma le maualuga o le vevela.Fa'aaogaina i le gaosiga o pusa ausa fauvela maualuga maualuga ma pusa vaila'au tetele;fa'aaogaina fo'i e pei o lapo'a lapo'a o turbines hydraulic ma vai-generators, ma afi afi AC ma DC;
  • Malosiaga tensile ≥635;Malosiaga tuʻuina ≥510;Fa'aumi 17;Tau ole malosi ole aafiaga ole vevela ole potu 69;
  • Fa'amatalaga o le vevela: fa'avasegaina masani + togafitiga fa'afefete: 950 ~ 980 ℃ fa'asalaina, fa'asao vevela 1.5min ~ 2.0min / mm, 600 ~ 650 ℃ fa'afefeteina, fa'asao vevela 5min ~ 7min/mm, fa'amafanafanaga o le ea.

14.42MnMoV

  • u'amea ma fa'aitagofie uamea fa'amea maualalo.E mafai ona sui le 42CrMo;
  • E masani ona faʻaaogaina e fai ai 'au ma mea faʻaoga, ma isi;
  • O le faʻamaʻaʻaina o luga ole 45 ~ 55HRC;malosi tensile ≥765;malosi maua ≥590;elongation ≥12;fa'aitiitiga ole vaega ≥40;aafiaga malosi ≥31;maaa 241-286HB.

 

Punavai: Tusiga faʻapolofesa faʻainisinia.

Faatonu: Ali

Taimi meli: Nov-16-2021