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“AKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWỤKWASỊA" NKEKWA NKEKWU NDỊ ỌZỌ KWESỊRỊ ỌTỤTỤ ỤLA NKE AKWỤKWỌ ỤWA.

ABSTRACT: Enwere ike kewaa ígwè akpụ akpụ n'ime carbon ígwè, obere alloy ígwè, ọkara alloy ígwè na elu alloy ígwè.Nchara dị iche iche nwere ihe dị iche iche na ojiji. Dị ka 5CrMnMo, 3Cr2W8V ígwè eji eme ihe na-ekpo ọkụ forging anwụ;1Cr13, 2Cr13, 3Cr13, 4Cr13 ígwè eji eme ihe na ọgwụ;1Cr18Ni9, 1Cr18Ni9Ti ígwè eji na corrosion-eguzogide akụkụ;Mn13 ígwè eji na-eyi na-eguzogide akụkụ;eji na elu okpomọkụ 5CrMo, 4Cr10Si2Mo ígwè maka akụkụ;ma ọ bụ 304, 304L, 316, 316L, 2205, 45, 42CrMo, 27SiMn, 40CrNiMo, 40Cr, Q345B / C / D / E, GCr15 ígwè, wdg maka cylinder forgings;ma ọ bụ maka forgings gia 40Cr, 42CrMo, 20CrMnMo, 20CrMnTi, 42CrMo, 40Cr ígwè na na.

 

Nke a bụ akụkụ sitere n'ọtụtụ nchara na-akpụ akpụ a na-ahụkarị maka nyocha dị mfe.Hụ okpuru:

1. 20SiMn

  • O nwere ụfọdụ ike na ike siri ike, ịrụ ọrụ igwe dị mma, yana ịrụ ọrụ ịgbado ọkụ.Nwere ike dochie 27SiMn na S45C ígwè;
  • Kwesịrị ekwesị maka ịgbado ọkụ electroslag, otu hydraulic props na akụkụ nwere nnukwu akụkụ mgbidi;
  • Ike nkwụsịtụ ≥ 450;Ike mpụta ≥ 255;elongation ≥ 14;Mmetụta ike ≥ 39;Akụkụ nke (dayameta ma ọ bụ ọkpụrụkpụ): 600 ~ 900mm;
  • Ụzọ ọgwụgwọ okpomọkụ nkịtị: normalizing + tempering.

2. 35SiMn

  • Ọ nwere ike dị elu, nkwụsi ike na-eyi, ike ike na ike ọgwụgwụ, ezigbo igwe, ike ike dị mma, arụmọrụ ịgbado ọkụ na-adịghị mma, na ọkara oyi deformation plasticity.Ezigbo akụ na ụba, ọ nwere ike dochie kpamkpam 40Cr ma ọ bụ dochie nchara 40CrNi;
  • A na-ejikarị ya eme ihe n'ụdị dị iche iche nke obere obere na ọkara na ngwo.dị ka nnyefe gia, isi aro, spindles, na-atụgharị aro, njikọ mkpara, ikpuru, tram aro, generator shafts, crankshafts, flywheels, hubs, impellers, shọvelụ ejiri, ogwe osisi, Mkpa nwere mgbidi enweghị nkebi ígwè ọkpọkọ.Dị iche iche dị mkpa fasteners na nnukwu na obere forgings;
  • Ike nkwụsịtụ ≥885MPa;Ike mpụta ≥735MPa;Ogologo oge ≥15;Mmetụta ike ≥47;
  • Ụzọ ọgwụgwọ okpomọkụ a na-ahụkarị: quenching 900 degrees, mmiri jụrụ oyi, tempering 570 degrees, mmiri jụrụ oyi ma ọ bụ mmanụ jụrụ oyi.

3. 50SiMn

  • Ike dị elu na ịdị mma dị mma, ezigbo nguzogide corrosion, nguzogide oxidation dị elu, nhazi rọba dị mfe, imecha elu elu, na inwe mmetụta maka nrụrụ ọkụ.Nwere ike dochie 40Cr;
  • A na-ejikarị ya eme ihe maka nnukwu mgbanaka mgbanaka, wiil na akụkụ osisi nwere obere akụkụ obe na ọkara.

4.16MnCr

  • Ngwa igwe eji ebubata na Jamanị, ya na yaChina 16CrMnH, nwere ezigbo ike ike na ezi machinability, elu elu hardness, akwa na-eyi na-eguzogide, na elu ala-okpomọkụ mmetụta siri ike;
  • A na-ejikarị eme ihe maka akụkụ buru ibu, dị ka ngwo, ogwe ihe eji eme ihe, ikpuru, uwe mkpuchi, akara mmanụ mmanụ, mmanụ ụgbọala na bolts, wdg;
  • Ike nkwụsị 880-1180;Ike mpụta 635;Mgbatị 9;Isi ike ≤297HB;
  • Nkọwapụta ọgwụgwọ okpomọkụ: 900°C mmanụ quenching + 870°C mmanụ quenching, 200°C tempering.

5.20MnCr

  • Nchara na-agba agba e si Jamanị bute,dakọtara na 20CrMn na China, enwere ike iji ya mee nchara dị ka igwe anaghị agba nchara.Ike siri ike dị mma, nrụrụ obere ọgwụgwọ okpomọkụ, ịdị ike siri ike dị ala, arụ ọrụ ịkpụ dị mma, mana weldability adịghị mma;
  • Enwere ike iji ya maka akụkụ ndị nwere obere akụkụ obe, nrụgide ọkara na enweghị nnukwu mmetụta,dị ka gia, ogwe aka, njikọ njikọ, rotors, uwe aka, wiil ndị na-ese okwu, ikpuru, isi ogwe aka, njikọ njikọ, njikọ zuru ụwa ọnụ, mgbanwe Ntugharị nke onye na-ahụ maka ọsọ ọsọ na bolts nke mkpuchi mkpuchi nke ụgbọ mmiri dị elu, wdg;
  • Ike nkwụsịtụ 1482;mkpụrụ ike 1232;elongation 13;mmetụta siri ike uru 73;ike 357HB;
  • Nkọwapụta ọgwụgwọ okpomọkụ: 900°C mmanụ quenching + 870°C mmanụ quenching, 200°C tempering

6. 20CrMnTi

  • Carburized ígwè.Ike siri ike dị elu, igwe na-arụ ọrụ dị mma, nrụrụ igwe dị ntakịrị, na ike ọgwụgwụ dị mma.Nwere mmetụta siri ike nke obere okpomọkụ na ọkara weldability;
  • A na-ejikarị ya eme ihe na ụgbọ ala nnyefe ụgbọ ala, nke a pụrụ iji mee ihe dị ka ihe eji eme ihe, ihe ọkpụkpụ, mgbanaka mgbanaka, isi obe, wdg;akụkụ ndị dị mkpa nke nwere akụkụ obe nke na-erughị 30mm, dị ka mgbanaka, mgbanaka mgbanaka, ogwe ihe eji eme ihe, ihe na-agbagharị agbagharị, isi ihe nkedo, clutches claw, worms, cross heads, wdg;
  • Ike nkwụsịtụ≥1080(110);Ike mpụta≥835(85);Ogologo oge≥10;Mmetụta ike≥55;Mmetụta siri ike uru≥69(7);Isi ike≤217HB;
  • Nkọwapụta ọgwụgwọ okpomọkụ: Quenching: oge ​​mbụ 880 ℃, oge nke abụọ 870 ℃, mmanụ jụrụ oyi;tempering 200 ℃, mmiri jụrụ, ikuku jụrụ.

7.20MnMo

  • Ọrụ ịgbado ọkụ dị mma.Ngwakọta kemịkalụ nke SA508-3cl.2 ígwè yiri nke ahụ;
  • A na-eji maka ọkara okpomọkụ na arịa nrụgide dị elu, dị ka isi, mkpuchi ala, cylinder, wdg;
  • Ike nkwụsịtụ ≥470;Ike mpụta ≥275;Ogologo oge ≥14;Mmetụta ike ≥31.

8.25CrMo4

  • Ike dị elu na ike siri ike, ike dị elu, enweghị iwe ọkụ, ezigbo weldability, ọdịdị dị ala nke ịmepụta mgbape oyi, ezigbo ígwè ọrụ na oyi oyi plasticity.
  • A na-ejikarị emenyụ na ọkụ ma ọ bụ carburized na quenched steeti, a na-eji ya na-emepụta ọkpọkọ dị elu na ihe dị iche iche nke na-arụ ọrụ na mgbasa ozi na-adịghị emebi emebi na mgbasa ozi nwere nitrogen na hydrogen ngwakọta na okpomọkụ na-arụ ọrụ n'okpuru 250 ℃, na ọkwa dị elu. infiltration Akụkụ Carbon, dị ka ngwo, ogwe, efere nrụgide, mkpanaka njikọ piston, wdg;
  • Ike nkwụsịtụ ≥ 885 (90);Ike mpụta ≥ 685 (70);elongation ≥ 12;Mmetụta ike ≥ 35;Uru ike mmetụta ≥ 98 (10);Isi ike ≤ 212HB;
  • Nkọwapụta ọgwụgwọ okpomọkụ: quenching na 880 ℃, mmiri jụrụ oyi, mmanụ jụrụ oyi;tempering na 500 ℃, mmiri jụrụ, mmanụ jụrụ.

9. 35CrMo

  • High creep ike na anwụ ngwa ngwa na elu okpomọkụ, ogologo oge na-arụ ọrụ okpomọkụ nwere ike iru 500 ℃;plasticity na-agafeghị oke n'oge nrụrụ oyi, weldability na-adịghị mma;obere okpomọkụ ruo -110 ℃, na elu static ike, mmetụta siri ike na ike ike ọgwụgwụ, Good hardenability, enweghị ọchịchọ nke overheat, obere quenching deformation, plasticity na-anabata n'oge oyi deformation, ọkara machinability, ma e nwere mbụ ụdị nke iwe ọkụ brittleness, na weldability adịghị mma.Ọ kwesịrị preheated ka 150 ~ 400 degrees Celsius tupu ịgbado ọkụ.Ọgwụgwọ okpomọkụ nke post-weld iji kpochapụ nchekasị.N'ozuzu eji mgbe quenching na tempering, ọ nwekwara ike ga-eji mgbe elu na ọkara ugboro elu quenching ma ọ bụ quenching na ala na ọkara okpomọkụ tempering;
  • A na-ejikarị emepụta akụkụ ndị dị mkpa na igwe dị iche iche nke na-enwe mmetụta, na-ehulata na torsion, na nnukwu ibu, dị ka nnukwu ngalaba gia, arọ nnyefe aro, uzuoku turbine engine rotors, isi osisi, nkwado ogwe, gia, crankshafts, crankshafts, hammer mkpara. , Njikọ njikọ, ihe nkedo, nnukwu nrụgide na-enweghị ihe ọ bụla na-enweghị mgbidi mgbidi, wdg;
  • Ike nkwụsịtụ ≥ 985 (100);Ike mpụta ≥ 835 (85);elongation ≥ 12;Mbelata mpaghara ≥ 45;Mmetụta ike ≥ 63;Uru ike mmetụta ≥ 78 (8);Isi ike ≤ 229HB;
  • Nkọwapụta ọgwụgwọ okpomọkụ: quenching 850 ℃, mmanụ jụrụ oyi;tempering 550 ℃, mmiri jụrụ, mmanụ jụrụ.

10.42CrMo

  • Ọ nwere ezigbo n'ibu Njirimara na workability,na ike ya na ike siri ike dị elu karịa 35CrMo;
  • A na-eji arụpụta forgings nwere ike dị elu ma ọ bụ akụkụ nke mechiri emechi na nke na-ewe iwe karịa 35CrMo ígwè, dị ka nnukwu ngwo maka traction locomotive, supercharger nnyefe gia, azụ axles, njikọ mkpara, reducers, jikọọ shaft eluigwe na ala couplings na 8.8 grades , Bolts, nuts, washers. , wdg na dayameta ruo 100mm;
  • Ike na-agwụ ike 255 ~ 207HB, na-emenyụ ike ≥60HRC;

11.50CrMo

  • Ike na ike siri ike dị elu karịa 42CrMo, a na-ejikarị emenyụ ya na iwe ọkụ.Nwere ike iji ọdịnaya nickel dị elu dochie ígwè emenyụ emenyụ na ọkụ;
  • A na-eji arụpụta forgings nwere ike dị elu ma ọ bụ akụkụ buru ibu karịa ígwè 42CrMo, dị ka nnukwu ngwo maka traction locomotive, supercharger nnyefe gia, azụ axles, engine cylinders, 1200 ~ 2000m mmanụ miri emi olulu ọkpọkọ ọkpọkọ, ngwá ọrụ ịkụ azụ, piston mkpara na ọkwa 8.8. fasteners na dayameta nke 100 ~ 160mm;
  • Usoro ọgwụgwọ okpomọkụ: quenching 850 °;oyi: mmanụ;okpomọkụ okpomọkụ 560 °;coolant: mmiri, mmanụ;
  • Ike nkwụsịtụ bụ MPa1080;ebe mkpụrụ bụ MPa930;elongation bụ 12, mbelata nke mpaghara bụ 45, na mmetụta absorption bụ 63;

12.20CrMnMo

  • Carburized ígwè dị elu, ike dị elu karịa 15CrMnMo;obere plasticity na ike siri ike, ike siri ike na akụrụngwa akụrụngwa karịa 20CrMnTi;ezi keukwu n'ibu Njirimara na ala okpomọkụ mmetụta siri ike mgbe quenching na tempering;elu mgbe carburizing na quenching Ọ nwere elu na-ehulata ike na-eyi nguzogide, ma ọ na-adịkarị mfe cracks n'oge egweri;adịghị mma weldability, adabara eguzogide ịgbado ọkụ, preheating tupu ịgbado ọkụ, na tempering mgbe ịgbado ọkụ;ezigbo igwe na arụ ọrụ ọkụ.Enwere ike iji kama 12Cr2Ni4;
  • A na-ejikarị emepụta akụkụ buru ibu na nke dị mkpa nke carburized nke nwere ike siri ike, ike dị elu, ike siri ike ma na-eyi nkwụsi ike, dị ka crankshafts, camshafts, njikọ njikọ, ihe eji eme ihe, gia, pin shafts, wdg;
  • Ike nkwụsịtụ ≥ 1180;Ọnụ ego ≥ 885;Elongation mgbe mgbaji ≥ 10;Nkebi shrinkage ≥ 45;Mmetụta ntinye ọrụ ≥ 55;Brinell hardness ≤ 217;
  • Okpomọkụ ọgwụgwọ: quenching kpo oku okpomọkụ nke 850 ℃;tempering kpo oku okpomọkụ nke 200 ℃;

13.18MnMoNb

  • High okpomọkụ eguzogide n'okpuru 500 ~ 530 ℃, ezi ịgbado ọkụ na nhazi arụmọrụ;
  • A na-ejikarị kemịkalụ elu-nrụgide arịa, hydraulic cylinders, hydraulic turbine shafts, wdg ala-alloy structural ígwè maka boilers na nrụgide arịa.Ọ nwere ike dị elu na nha mkpụrụ, ezigbo nhazi nhazi okpomọkụ na arụ ọrụ okpomọkụ, usoro mmepụta dị mfe, ịrụ ọrụ ịgbado ọkụ dị mma, na nnukwu nkwụsị ọkụ.A na-eji ya na-emepụta nnukwu ọkụ ọkụ ọkụ uzuoku na nnukwu akpa mmiri ọgwụ;a na-ejikwa ya dị ka nnukwu oghere nke turbines hydraulic na hydro-generators, na AC na DC moto shafts;
  • Ike nkwụsịtụ ≥635;Ike mpụta ≥510;Ogologo 17;Ime ụlọ okpomọkụ mmetụta ike uru 69;
  • Okpomọkụ ọgwụgwọ nkọwa: general normalizing + tempering ọgwụgwọ: 950 ~ 980 ℃ normalizing, okpomọkụ nchekwa 1.5min～2.0min/mm, 600 ~ 650 ℃ tempering, okpomọkụ nchekwa 5min～7min / mm, ikuku jụrụ.

14.42MnMoV

  • Nchara alloy dị ala menyụchara ma na-ekpo ọkụ.Nwere ike dochie 42CrMo;
  • A na-ejikarị eme ogwe na gia, wdg;
  • The elu quenching ike bụ 45 ~ 55HRC;ike nkwụsịtụ ≥765;mkpụrụ ike ≥590;elongation ≥12;Mbelata mpaghara ≥40;mmetụta ike ≥31;ike 241-286HB.

 

Isi mmalite: Mechanical ọkachamara akwụkwọ.

Editor: Ali

Oge nzipu: Nov-16-2021