TSAB NTAWV: Forging steel yuav muab faib ua carbon steel, low alloy steel, medium alloy steel thiab high alloy steel.Cov hlau sib txawv muaj cov khoom sib txawv thiab siv. Xws li 5CrMnMo, 3Cr2W8V steel siv hauv kev tsim cov kub forging tuag;1Cr13, 2Cr13, 3Cr13, 4Cr13 steel siv hauv cov cuab yeej kho mob;1Cr18Ni9, 1Cr18Ni9Ti steel siv nyob rau hauv corrosion-resistant qhov chaw;Mn13 steel siv rau qhov hnav-tiv taus;siv nyob rau hauv kub 5CrMo, 4Cr10Si2Mo steel rau qhov chaw;los yog 304, 304L, 316, 316L, 2205, 45, 42CrMo, 27SiMn, 40CrNiMo, 40Cr, Q345B / C / D / E, GCr15 steel, thiab lwm yam rau lub tog raj kheej forgings;los yog rau iav forgings 40Cr, 42CrMo, 20CrMnMo, 20CrMnTi, 42CrMo, 40Cr steel thiab hais txog.
Ntawm no yog ib qho excerpt los ntawm ntau yam forging steels rau ib qho yooj yim tsom xam.Saib hauv qab no:
1. 20 SiMn
- Nws muaj qee lub zog thiab toughness, zoo machining kev ua tau zoo, thiab kev ua haujlwm vuam zoo.tuaj yeem hloov 27SiMn thiab S45C steel;
- Haum rau electroslag vuam, ib leeg hydraulic props thiab qhov chaw nrog loj seem phab ntsa thickness;
- Tensile zog ≥ 450;Yield zog ≥ 255;Elongation ≥ 14;Lub zog cuam tshuam ≥ 39;Ntu loj (inch lossis thickness): 600 ~ 900mm;
- Txoj kev kho cua sov feem ntau: normalizing + tempering.
2. 35 SIB
- Nws muaj lub zog siab, hnav tsis kam, toughness thiab qaug zog tsis kam, zoo machinability, zoo hardenability, tsis zoo vuam kev ua tau zoo, thiab nruab nrab txias deformation plasticity.Kev lag luam zoo, nws tuaj yeem hloov tau 40Cr lossis ib nrab hloov 40CrNi steel;
- Feem ntau siv nyob rau hauv ntau yam me me thiab nruab nrab shafts thiab zog,xws li kis tau tus mob, lub ntsiab shafts, spindles, rotating shafts, txuas rods, worms, tram shafts, generator shafts, crankshafts, flywheels, hubs, impellers, shovel handles, plow shafts, Thin-walled seamless steel yeeb nkab.Ntau yam tseem ceeb fasteners thiab loj thiab me forgings;
- Tensile zog ≥885MPa;Tawm lub zog ≥735MPa;Elongation ≥15;Lub zog cuam tshuam ≥47;
- Cov kev kho cua sov feem ntau: quenching 900 degrees, dej txias, tempering 570 degrees, dej txias los yog roj txias.
3. 50 SiMn
- Lub zog muaj zog thiab zoo toughness, zoo corrosion kuj, kub oxidation kuj, yooj yim yas ua, siab nto tiav, thiab rhiab heev rau temper brittleness.Hloov tau 40Cr;
- Nws feem ntau yog siv rau lub nplhaib loj, lub log thiab cov ncej nrog cov ntu me me thiab nruab nrab.
4. 16 MnCr
- Ib lub iav steel imported los ntawm lub teb chaws Yelemees, sib npaug rauTuam Tshoj 16CrMnH, muaj zoo hardenability thiab zoo machinability, siab deg hardness, siab hnav tsis kam, thiab siab kub-kub tej yam toughness;
- Feem ntau siv rau qhov loj, xws li lub zog, iav ncej, worms, lub tes tsho foob, turbine roj foob, lub tes tsho roj av thiab bolts, thiab lwm yam.;
- Tensile zog 880-1180;yield zog 635;Ntev 9;Hardness ≤297HB;
- Kev kho cua sov specification: 900 ° C roj quenching + 870 ° C roj quenching, 200 ° C tempering.
5. 20MnCr
- Carburizing steel tuaj ntawm lub teb chaws Yelemees,sib npaug rau 20CrMn hauv Suav teb, tuaj yeem siv los ua quenched thiab tempered steel.Zoo hardenability, me me kev kho cua sov deformation, zoo kub kub toughness, zoo txiav kev ua tau zoo, tab sis tsis zoo weldability;
- Nws tuaj yeem siv rau qhov chaw nrog me me hla ntu, nruab nrab siab thiab tsis muaj kev cuam tshuam loj,xws li iav, ncej, txuas rods, rotors, lub tes tsho, kev sib txhuam log, worms, lub ntsiab ncej, couplings, universal couplings, kev kho lub tes tsho ntawm lub ceev maub los thiab bolts ntawm lub hau npog phaj ntawm lub nkoj siab, thiab lwm yam.;
- Tensile zog 1482;yield zog 1232;elongation 13;cuam tshuam toughness tus nqi 73;hardness 357HB;
- Kev kho cua sov specification: 900 ° C roj quenching + 870 ° C roj quenching, 200 ° C tempering
6. 20CrMnTi
- Carburized hlau.Lub hardenability yog siab, lub machinability yog zoo, lub machining deformation yog me me, thiab lub qaug zog kuj yog zoo.Muaj qhov kub tsis tshua muaj kev cuam tshuam toughness thiab nruab nrab weldability;
- Nws feem ntau yog siv rau hauv lub tsheb kis tau tus mob, uas yuav siv tau raws li lub zog, iav shafts, nplhaib iav, ntoo khaub lig taub hau, thiab lwm yam .;cov khoom tseem ceeb uas muaj qhov sib txawv ntawm qhov tsawg dua 30 hli, xws li cov iav, lub nplhaib iav, iav shafts, zawv zawg bearings, lub ntsiab ncej, claw clutches, worms, crossheads, thiab lwm yam.;
- Tensile zog ≥1080(110);Yield zog ≥835(85);Elongation ≥10;Kev cuam tshuam zog ≥55;Impact toughness tus nqi ≥69(7);Hardness≤217HB;
- Kev kho cua sov specification: Quenching: thawj zaug 880 ℃, zaum ob 870 ℃, roj txias;tempering 200 ℃, dej txias, cua txias.
7. 20MnMo
- Kev ua haujlwm vuam zoo.Cov tshuaj muaj pes tsawg leeg ntawm SA508-3cl.2 steel zoo sib xws;
- Siv rau nruab nrab kub thiab siab siab cov hlab ntsha, xws li lub taub hau, hauv qab npog, lub tog raj kheej, thiab lwm yam .;
- Tensile zog ≥470;Yield zog ≥275;Elongation ≥14;Kev cuam tshuam lub zog ≥31.
8. 25CrMo4
- Siab zog thiab toughness, siab hardenability, tsis temper brittleness, weldability zoo heev, tsis tshua muaj siab ua rau txias tawg, zoo machinability thiab txias strain plasticity.
- Feem ntau siv nyob rau hauv quenched thiab tempered los yog carburized thiab quenched lub xeev, nws yog siv los tsim cov high-pressure kav thiab ntau yam fasteners uas ua hauj lwm nyob rau hauv uas tsis yog-corrosive xov xwm thiab xov xwm uas muaj nitrogen thiab hydrogen sib tov nrog ib tug ua hauj lwm kub hauv qab no 250 ℃, thiab siab dua. infiltration Carbon qhov chaw, xws li iav, ncej, siab daim hlau, piston txuas rods, thiab lwm yam.;
- Tensile zog ≥ 885 (90);Yield zog ≥ 685 (70);Elongation ≥ 12;Lub zog cuam tshuam ≥ 35;Kev cuam tshuam toughness tus nqi ≥ 98 (10);Hardness ≤ 212HB;
- Kev kho cua sov specification: quenching ntawm 880 ℃, dej txias, roj txias;tempering ntawm 500 ℃, dej txias, roj txias.
9.35CrMo
- Lub zog nkag siab thiab ua haujlwm ntev ntawm qhov kub thiab txias, ua haujlwm ntev ntev tuaj yeem ncav cuag 500 ℃;nruab nrab plasticity thaum txias deformation, weldability tsis zoo;Tsis tshua muaj kub mus rau -110 ℃, muaj zog zoo li qub, cuam tshuam toughness thiab siab qaug zog, Zoo hardenability, tsis nyiam overheat, me me quenching deformation, siv tau plasticity thaum txias deformation, nruab nrab machinability, tab sis muaj thawj hom temper brittleness, thiab weldability tsis zoo.Nws yuav tsum tau preheated rau 150 ~ 400 degrees Celsius ua ntej vuam.Tom qab-weld kev kho cua sov kom tshem tawm kev ntxhov siab.Feem ntau siv tom qab quenching thiab tempering, nws kuj tseem siv tau tom qab siab thiab nruab nrab zaus nto quenching los yog quenching thiab qis thiab nruab nrab kub tempering;
- Feem ntau yog siv los tsim cov khoom tseem ceeb hauv ntau cov cav tov uas muaj kev cuam tshuam, khoov thiab torsion, thiab cov khoom siv siab, xws li cov khoom loj loj, hnyav kis tau tus mob, chav turbine cav rotors, lub ntsiab ncej, txhawb nqa shafts, zog, crankshafts, crankshafts, rauj rods. , Txuas rods, fasteners, high-pressure seamless tuab-walled conduits, thiab lwm yam.;
- Tensile zog ≥ 985 (100);Yield zog ≥ 835 (85);Elongation ≥ 12;Kev txo qis ntawm thaj tsam ≥ 45;Lub zog cuam tshuam ≥ 63;Kev cuam tshuam toughness tus nqi ≥ 78 (8);Hardness ≤ 229HB;
- Kev kho cua sov specification: quenching 850 ℃, roj txias;tempering 550 ℃, dej txias, roj txias.
10. 42CrMo
- Nws muaj zoo mechanical zog thiab workability,thiab nws lub zog thiab hardenability siab dua 35CrMo;
- Siv los tsim cov forgings nrog lub zog siab dua lossis loj dua quenched thiab tempered seem tshaj 35CrMo steel, xws li lub zog loj rau kev sib tw tsheb, cov khoom siv hluav taws xob sib txuas, lub nraub qaum, txuas rods, reducers, txuas ncej universal couplings thiab 8.8 qib, Bolts, ceev, washers , thiab lwm yam hauv txoj kab uas hla mus txog 100mm;
- Annealing hardness 255 ~ 207HB, quenching hardness ≥60HRC;
11. 50CrMo
- Lub zog thiab hardenability siab dua 42CrMo, feem ntau siv tom qab quenching thiab tempering.tuaj yeem hloov quenched thiab tempered steel nrog ntau dua nickel cov ntsiab lus;
- Siv los tsim cov forgings nrog lub zog siab dua lossis loj dua li 42CrMo steel, xws li lub zog loj rau cov tsheb sib tsoo, cov khoom siv hluav taws xob sib kis tau zoo, lub tog raj kheej, lub tog raj kheej lub cav, 1200 ~ 2000m roj sib sib zog nqus zoo laum yeeb nkab pob qij txha, cov cuab yeej nuv ntses, piston rods thiab Qib 8.8. fasteners nrog txoj kab uas hla ntawm 100 ~ 160mm;
- Kev kho cua sov txheej txheem: quenching 850 °;coolant: roj;tempering kub 560 °;coolant: dej, roj;
- Lub zog tensile yog MPa1080;qhov taw tes tawm los yog MPa930;qhov elongation yog 12, qhov txo ntawm cheeb tsam yog 45, thiab qhov cuam tshuam nqus yog 63;
12. 20CrMnMo
- High-qib carburized steel, lub zog siab dua 15CrMnMo;me ntsis qis plasticity thiab toughness, siab dua hardenability thiab txhua yam khoom dua 20CrMnTi;zoo tag nrho txhua yam khoom thiab tsis tshua muaj kub cuam tshuam toughness tom qab quenching thiab tempering;siab dua tom qab carburizing thiab quenching Nws muaj siab dabtsi yog khoov lub zog thiab hnav tsis kam, tab sis nws yuav ua rau tawg thaum sib tsoo;Weldability tsis zoo, tsim nyog rau kev siv vuam, preheating ua ntej vuam, thiab tempering tom qab vuam;zoo machinability thiab kub workability.Yuav siv tau los hloov 12Cr2Ni4;
- Feem ntau siv los tsim cov khoom loj thiab tseem ceeb carburized nrog siab hardness, siab zog, siab toughness thiab hnav tsis kam, xws li crankshafts, camshafts, txuas rods, iav shafts, zog, pin shafts, thiab lwm yam .;
- Tensile zog ≥ 1180;Tawm taw tes ≥ 885;Elongation tom qab tawg ≥ 10;Tshooj shrinkage ≥ 45;Kev cuam tshuam kev ua haujlwm ≥ 55;Brinell hardness ≤ 217;
- Kev kho cua sov: quenching cua sov ntawm 850 ℃;tempering cua sov ntawm 200 ℃;
13. 18MnMoNb
- Kub kub tsis kam qis dua 500 ~ 530 ℃, vuam zoo thiab kev ua haujlwm zoo;
- Feem ntau siv nyob rau hauv cov tshuaj muaj zog cov hlab ntsha, hydraulic cylinders, hydraulic turbine shafts, thiab lwm yam. Low-alloy structural steel rau boilers thiab siab hlab ntsha.Nws muaj lub zog loj thiab cov txiaj ntsig zoo, kev ua haujlwm zoo thermal thiab kev ua haujlwm kub nruab nrab, cov txheej txheem tsim khoom yooj yim, kev ua haujlwm vuam zoo, thiab ua haujlwm kub.Siv nyob rau hauv kev tsim cov high-pressure boiler chav nruas thiab loj chemical ntim;kuj tseem siv los ua cov shafts loj ntawm hydraulic turbines thiab hydro-generators, thiab AC thiab DC motor shafts;
- Tensile zog ≥635;Yield zog ≥510;Ntev 17;Chav kub cuam tshuam toughness tus nqi 69;
- Kev kho cua sov specification: general normalizing + tempering kev kho mob: 950 ~ 980 ℃ normalizing, kub preservation 1.5min ~ 2.0min / mm, 600 ~ 650 ℃ tempering, kub preservation 5min ~ 7min / mm, cua txias.
14.42 MnMoV
- Quenched thiab tempered tsawg alloy steel.Yuav hloov 42CrMo;
- Feem ntau yog siv los ua cov ncej thiab lub zog, thiab lwm yam.;
- Qhov saum npoo quenching hardness yog 45 ~ 55HRC;tensile zog ≥765;yield zog ≥590;elongation ≥12;txo thaj tsam ≥40;cuam tshuam lub zog ≥31;hardness 241-286HB.
Source: Mechanical professional literature.
Editor: Ali
Post lub sij hawm: Nov-16-2021