Steel 20X13: yam ntxwv, daim ntawv thov thiab analogues

Cov txheej txheem:

Steel 20X13: yam ntxwv, daim ntawv thov thiab analogues
Steel 20X13: yam ntxwv, daim ntawv thov thiab analogues

Video: Steel 20X13: yam ntxwv, daim ntawv thov thiab analogues

Video: Steel 20X13: yam ntxwv, daim ntawv thov thiab analogues
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Kab lus no yog cov lus piav qhia luv luv ntawm tag nrho cov yam ntxwv ntawm cov hlau 20X13: cov yam ntxwv, daim ntawv thov, cov khoom, hloov pauv thiab txawv teb chaws analogues. Kab lus no yuav muaj txiaj ntsig zoo rau cov neeg uas xav paub txog cov ntaub ntawv tseem ceeb tshaj plaws ntawm lub ncauj lus no hauv lub sijhawm luv luv yam tsis tas siv sijhawm.

Deciphering steel

Steel 20x13 yam ntxwv daim ntawv thov
Steel 20x13 yam ntxwv daim ntawv thov

Yog li, cia peb pib nrog qhov yooj yim tshaj plaws. Kev txiav txim siab cov qib steel kom raug yog ib qho txuj ci tseem ceeb, uas yog qhov tseem ceeb yog tias koj feem ntau ua haujlwm nrog ntau yam alloys.

Vim tias Soviet naming system thiab GOSTs tseem siv nyob rau hauv domestic metallurgy, kiag li txhua qib steel yog deciphered raws li kwv yees li tib lub ntsiab cai. Hlau 20X13 yog deciphered yooj yim heev:

  • Tus lej 20 (lossis 2 nyob rau qee kis) qhia txog tus nqi ntawm lub ntsiab alloying hauv cov hlau - carbon.
  • tsab ntawv X txhais tau tias cov hlau muaj tsawg kawg yog chromium.
  • Tus lej 13 qhia qhov feem pua ntawm cov khoom siv tshuaj yav dhau los.

Tom qab qhov kev tshuaj ntsuam saum npoo zoo li no, tsuas yog los ntawm kev nyeem cov qib steel, nws pom tseeb tias peb muaj cov khoom siv hlau nrog cov ntsiab lus carbon (kwv yees li 0.2%) thiab chromium (kwv yees li 13%). Nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias cov ntaub ntawv no twb txaus siab tso cai rau peb los txiav txim cov yam ntxwv thiab daim ntawv thov ntawm steel 20X13.

Steel composition

Thaum tshav kub kub resistant steels
Thaum tshav kub kub resistant steels

Tam sim no cia saib qhov tseem ceeb tshaj plaws ntawm cov hlau uas muaj hlau - nws muaj pes tsawg leeg.

Ua tsaug rau cov ntaub ntawv tseem ceeb, leej twg tuaj yeem txiav txim siab nrog qhov raug siab ntawm cov ntsiab lus uas suav nrog hauv cov hlau 20X13. Lawv cov npe yog raws li nram no:

  • Carbon - 0.2% - lub caij uas tsis muaj hlau tsis tuaj yeem muaj nyob. Nws yog tus uas muab cov hlau mos lub zog thiab hardness. Txawm li cas los xij, ntawm qib no, cov hlau tseem yog cov ductile thiab machinable, qee zaum txawm tias tsis muaj preheating.
  • Silicon - 0.6% - ib qho kev sib xyaw ua ke uas txhim kho cov qauv ntawm cov hlau thiab tso cai rau nws kom ua tau zoo dua rau overheating.
  • Manganese - 0.6% - ib qho ntxiv hauv ntau qhov kev hwm zoo ib yam li yav dhau los, txawm li cas los xij, manganese tsis tsuas yog ua kom cov tawv tawv ntawm cov hlau, tab sis kuj ua rau nws cov tawv tawv.
  • Nickel - 0.6% - dua ib qho kev sib xyaw ua ke uas ua rau kom cov thermal stability ntawm steel, nws tag nrho cov ductility thiab lub zog.
  • Chromium - 13% - tsis muaj qhov tseem ceeb tsawg dua li cov pa roj carbon monoxide, vim tias chromium yog lub luag haujlwm rau lub zog ntawm cov hlau, nws cov corrosion kuj, hardenability thiabkev coj ua.

Nyob rau theem no, peb tuaj yeem ntxiv tias 20X13 yog cov hlau tsis muaj cua sov uas muaj qhov tshwj xeeb ua haujlwm rau qhov kub siab, yog tias, tau kawg, nws tau muab piv nrog lwm cov hlau. Tsis tas li ntawd, cov hlau tsis tshua muaj resistant rau corrosion thiab oxidation vim nws cov ntsiab lus chromium siab.

Yog tias koj paub cov yam ntxwv ntawm cov hlau 20X13, kev siv cov hlau no yuav tsum tsis pub leejtwg paub. Nrog rau qib siab ntawm qhov tshwm sim, cov no yuav yog qhov chaw ua haujlwm ntawm qhov kub thiab txias.

Steel production

Steel 20x13 daim ntawv thov
Steel 20x13 daim ntawv thov

Txawm li cas los xij, hauv nws daim ntawv qub, hlau tsis haum rau kev siv, yog li cov nroj tsuag metallurgical tsis tsuas yog smelt lub alloy, tab sis kuj muab nws ib yam zoo li. Ua li no, ntau lub hom phiaj tuaj yeem ua tiav ib zaug:

  1. zoo li steel yog yooj yim khaws cia.
  2. Nws yooj yim dua rau kev thauj mus los.
  3. Cov neeg siv khoom paub ua ntej seb daim ntawv twg ntawm cov khoom lawv yuav yog qhov nyiam tshaj.

Rau steel 20X13, GOSTs muab rau ntau qhov kev xaiv molding:

  • Txoj kab ntau yam ntsuas.
  • Steel strip.
  • Steel tape.
  • Steel sheet of ntau thicknesses.
  • Nyob.
  • Cov kav dej ntau txoj kab.
  • steel hlau.

Siv steel 20X13

Hlau ntawv
Hlau ntawv

Cov hlau no yog siv feem ntau rau kev tsim cov bolts zoo tib yam thiab cov txiv ntoo ntawm ntau txoj kab uas hla thiab kev teeb tsa. Hauv daim teb no ntawm steel 20X13, nws nquag pabcorrosion kuj. Qhov thib ob yog lub zog. Muaj cav rotors, turbine hniav thiab lwm yam khoom tseem ceeb yog tsim los ntawm 20X13 alloy. Qhov thib peb cheeb tsam ntawm daim ntawv thov yog kev tsim kho ntawm furnaces. Txij li thaum 20X13 yog cov hlau tsis muaj cua sov, nws txoj kev siv hauv cov txheej txheem no yog ntau tshaj li kev ncaj ncees, vim qee cov qib ntawm cov hlau yuav tsuas poob lawv cov khoom qub. Tab sis qhov kub tsis kam ntawm cov hlau no tsis tshua muaj tshwm sim ntawm no. Qhov thib peb, tab sis tsis muaj tsawg dua qhov tseem ceeb ntawm daim ntawv thov ntawm cov yam ntxwv ntawm cov hlau 20X13 yog kev ua cov khoom siv roj av ntawm qhov kub thiab txias, qhov kub ntawm cov hlau yog tshwj xeeb tshaj yog siv.

Kev hloov pauv

Hlau 20x13 GOST
Hlau 20x13 GOST

Nyob rau hauv xws li ib qho kev xav tau zoo li metallurgy, tsis tuaj yeem hloov pauv cov khoom lag luam ntawm ntau lawm. Rau txhua qib ntawm steel, muaj ib qho kev hloov uas tag nrho los yog ib feem sib haum mus rau tus thawj nyob rau hauv cov nqe lus ntawm nws cov yam ntxwv thiab muaj pes tsawg leeg. Rau steel 20X13, muaj xws li cov qib hloov:

  1. 12X13 - steel nrog qis carbon cov ntsiab lus, uas yog me ntsis offset los ntawm cov ntsiab lus siab ntawm silicon thiab manganese.
  2. 14X17H2 - alloy nplua nuj nyob rau hauv ntau yam additives, characterized los ntawm ib tug me ntsis siab carbon ntsiab lus, ntxiv additives ntawm titanium, tooj liab thiab npib tsib xee. Cov qib zoo sib xws ntawm cov hlau muaj cov yam ntxwv zoo dua thiab, piv txwv li, tib daim ntawv hlau ntawm qib no yuav zoo dua rau kev tsim khoom.

Txawv teb chaws analogues

Qhov kev xav tau rau cov khoom siv hluav taws xob uas muaj cov khoom siv hluav taws xob muaj nyob rau txhua qhov chaw, yog linyob rau hauv ntau lub teb chaws ntawm txawv teb chaws, lawv tus kheej zus tau tej cov steels yog tsim, feem ntau zoo sib xws nyob rau hauv muaj pes tsawg leeg rau txawv teb chaws counterparts. Rau steel 20X13 txawv teb chaws muaj cov nram qab no analogues:

  • Tebchaws Meskas - 420 thiab S42000;
  • Japan - SUS420J1;
  • Europe - Х20Cr13;
  • China - 2Cr13.

Paub cov npe no, txhua tus, txawm hais tias lawv nyob qhov twg, tuaj yeem yuav cov khoom lag luam los ntawm qib siab xav tau hauv khw ze tshaj plaws.

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