Piav qhia me me hlau:
Cov hlau me me yog hom ntawm cov roj carbon cov roj carbon nrog tsawg dua 0. 25%. 25%. Nws muaj npe vim nws lub zog qis thiab tawv thiab mos. Nws suav nrog cov hlau uas feem ntau cov hlau thiab qee cov roj carbon zoo carbon cov qauv hlau. Feem ntau ntawm lawv tuaj yeem siv los tsim cov vaj qauv uas tsis muaj kev kho cua sov. Qee tus tuaj yeem siv los tsim cov tshuab siv uas yuav tsum tau hnav tsis kam tom qab carburizing thiab lwm yam kev kho mob kub.
Me me hlau
Mauv cov hlau tsis sib xws:
Feem ntau hais lus, cov ntsiab lus carbon cov ntsiab lus ntawm cov hlau me me yog nruab nrab ntawm {0}}}}}}}}}}}}}}}}}}}}}. Cov.
Cov hauv qab no yog ib lub rooj ntawm cov tshuaj sib xyaw ntawm cov hlau me:
| lub ntsiab | Cov ntsiab lus ntau |
| C |
0.05% - 0.25% |
| Mn |
0.30% - 1.50% |
| Si |
0.10% - 0.40% |
| S |
Tsawg dua li lossis sib npaug rau 0. 05% |
| p |
Tsawg dua li lossis sib npaug rau 0. 04% |
| CU |
Tsawg dua los yog sib npaug rau 0. 20% |
| Ni |
Tsawg dua los yog sib npaug rau 0. 25% |
| Cr |
Tsawg dua los yog sib npaug rau 0. 25% |
Qhov ntau dua cov ntsiab lus carbon, ntau dua lub hardness thiab lub zog, tab sis cov yas cog tsawg.
Raws li cov khoom siv no tau ntxiv dag zog, cov ntaub ntawv carbon txo qis.
Neeg kho tshuab thiab lub cev cov khoom ntawm cov hlau me:
| ua yeeb yam | Cov nqi raug |
| ceev |
7.85 g / cm³ |
| Lub zog tensile |
370 - 540 mpa |
| Paib lub zog |
235 - 400 mpa |
| Elongation |
Ntau dua los yog sib npaug rau 20% |
| Hardness (HB) |
120 - 180 hb |
| Kev Cuam Tshuam | Ntau dua los yog sib luag rau 27 j (ntawm -20 degree) |
| Thermal conductivity |
50 - 60 W/(m·K) |
| Kev coj ua | {{0 {0}}% IRCS (Cov Txheej Txheem Thoob Ntiaj Teb) |
| Cov tub ntxhais hluas lub modulus |
200 GPA (29 × 106 psi) |
Cov qib kawm thiab cov qauv kev tsim khoom ntawm cov hlau me:
| Tus kab laug gb | |
|
Q235 |
Feem ntau siv cov hlau me me, siv dav hauv cov tuam tsev thiab cov qauv qauv |
|
Q195 |
Cov hlau uas muaj cov ntsiab lus txo cov roj teeb, feem ntau siv rau cov khoom lag luam txias |
|
Q215 |
Ib qho me me hlau ntawm Q195 thiab Q235, feem ntau yog siv hauv qee qhov kev teeb tsa. |
|
Q240 |
Feem ntau siv rau cov qauv uas dais ntau dua loads. |
| ASTM | |
|
A36 |
Mild steel dav siv nyob rau hauv tsev thiab kev tsim kho. |
|
A1011 |
Txheem rau kub-dov hlau daim hlau thiab coils. |
|
A569 |
Kub-Rolled Carbon Steel Phaj Txheem Rau Cov Hlau Me |
| En | |
|
S235 |
Ib qho kev sib txuas me me hauv European tus qauv haum rau cov qauv thiab cov tsev. |
|
S275 |
Ib qho steel me me nrog me ntsis siab dua S235, haum rau load-cov kabmob qauv. |
|
S355 |
Cov hlau me me uas muaj zog dua, haum rau load-cov kabmob qauv thiab cov ntawv thov hnyav. |
| JIS | |
|
Tuss400 |
Feem ntau siv cov hlau me me, zoo ib yam li Q235 thiab A36, siv hauv cov tuam tsev thiab cov qauv qauv. |
Hlau Me Me Hlau Li Cas?
Cov txheej txheem tsim khoom ntawm cov hlau me me zoo ib yam li lwm cov roj carbon hlau. Cov txheej txheem no tau hloov pauv sijhawm thiab tam sim no muaj txiaj ntsig ntau dua thiab pheej yig dua li ua ntej. Hauv kev tsim kho tshiab niaj hnub, muaj peb lub ntsiab tseem ceeb koom nrog ua cov hlau me me los ntawm cov hlau ntshiab lossis hlau ore.
◢1. Thawj steelmaking
Hauv cov txheej txheem no, hlau yog tov nrog thee thiab txiv qaub thiab rhuab hauv lub moj tej tawg sov rauv. Niaj hnub thawj steelmaking siv cov xyoob ntoo niaj hnub no xws li cov pa roj Oxygen yooj yim lossis cov hluav taws xob arc. Feem ntau, cov steel qhov tawm tawm ntawm hluav taws xob arc yog ntawm cov khoom lag luam zoo.
◢2. Thib ob steelmaking
Lub hom phiaj ntawm theem nrab steel yog mas kom txo cov ntsiab lus carbon rau qhov yuav tsum tau muaj thiab ntxiv lwm cov khoom siv khaws cia txhawm rau txhim kho cov khoom ntawm cov hlau. Cov kauj ruam no tsuas yog los tswj thiab saib xyuas cov kev kho cua sov thiab cua txias ntawm lub cub tawg.
◢3. Khov thiab Thawj Txoj Kev
Sai li cov hlau nyob rau hauv lub cub tawg ncav cuag cov ntsiab lus carbon monoxent thiab cov neeg kho tshuab tau txhim kho kom tau zoo rau theem, cov hlau tau nchuav rau hauv pwm. Qhov no hu ua casting. Qee tus neeg tseem hais tias hlau nrum, uas tsis yog. Thaum lub sij hawm tus txheej txheem no, cov chav hlau ua kua yuav ua rau thiab ua ntau yam duab geometric. Cov qauv crystal crystal pov tseg cov hlaus yuav tom qab ntawd txiav mus rau hauv qhov chaw me dua.
Cam khwb cia hlau muaj ntau yam tsis xws luag. Ib txheej txheem thawj sau hu ua kub dov siv. Tom qab kub dov, cov hlau tau ntau lub zog, ductility, weldability, thiab lwm yam.
◢4. Thib ob
Feem ntau, muaj cov txheej txheem txheej txheem theem nrab xws li cnc machining, txias txheej, hmoov av lossis tshuaj lom neeg ntawm cov hlau me me. Nyob rau hauv cov txheej txheem no, hlau txheej xws li zinc txheej lossis lwm yam carbon hlau yog qhov tsim nyog thov.
Cov chaw thov cov hlau me:
Cov hlau me me ua lub luag haujlwm tseem ceeb hauv ntau thaj teb.
▄Kev lag luam tsim kev tsim kho: Hlau me me tau siv nyob rau hauv kev tsim kho kev tsim kho, tshwj xeeb tshaj yog nyob rau hauv cov choj, lub tsev nce siab, thiab cov qauv tsev. Nws lub zog siab thiab kev siv vuam zoo ua rau nws xaiv qhov zoo tshaj plaws rau cov kabmob sib xyaw.
▄Tsheb tsim: Cov tsheb tsim kev lag luam yog qhov kev ua lag luam tseem ceeb rau cov hlau me. Cov hlau me me yog siv los tsim cov roj tsheb, cov log, thiab lwm yam, thiab nws cov txiaj ntsig dag hauv machinity, thiab tus nqi tsawg.
Cov cuab yeej siv tshuab thiab cov khoom siv tshuab hluav taws xob: Lub tshuab hluav taws xob muaj zog thiab cov khoom siv me me ua nws tsim nyog rau kev tsim cov tshuab ntau yam thiab cov khoom siv, cov khoom siv, tuaj yeem, thiab lwm yam.
▄Kev lag luam fais fab: Hauv lub hwj chim teb, cov hlau me me siv los tsim cov khoom siv xws li cov xov hlau, thiab lub davhlau ya nyob twg, thiab nws txoj kev lag luam corrosion, thiab nws txoj kev lag luam corrosion, thiab nws cov kev ua haujlwm xeb, thiab nws txoj kev lag luam xav tau kev lag luam.
▄Lub tsev thiab cov khoom siv txhua yam: cov hlau me tseem siv nyob rau hauv kev tsim khoom hauv tsev, xws li cov rooj tog, thiab nws cov khoom siv dag hauv cov nqi-ua haujlwm zoo thiab machinesility.
▄Khoom siv Agricultural: Kev tsim khoom ua liaj ua teb kuj tseem yog daim ntawv thov ua teb rau cov qauv hluav taws xob xws li cov tsheb laij teb thiab cov neeg sau qoob loo xws li.
Thawv thiab siab ntsha tsim khoom: Vim nws qhov zoo weldability thiab lub zog, hlau me me tseem siv tau los tsim ntau yam ntim khoom thiab cov hlab ntsha siab.
▄Offshore platforms thiab cov nkoj: hauv marine engineering thiab canbuilding, platform yog siv los tsim cov lus pob zeb, thiab lwm yam.
▄Cov chaw tsim hluav taws xob tshiab: Nrog rau kev txhim kho lub tsheb loj lub tsheb kev lag luam, cov hlau me me tau siv hauv kev tsim hluav taws xob cov tsheb hluav taws xob tshiab vim nws lub teeb ci thiab lub zog siab.
▄Kev tswj hwm cov dej num ib puag ncig, xws li cov kav dej ib puag ncig, cov hlau pov tseg me me, cov hlau tsis muaj zog siv vim nws corrosion tsis kam thiab muaj zog.
▄3D luam ntawv: nrog kev nce qib ntawm cov thev naus laus zis, cov hlau me kuj tau dhau los ua cov khoom siv 3D luam, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov khoom lag luam thiab cov chaw customized.
Cov kev cia siab tom ntej ntawm cov hlau me:
Txawm hais tias cov hlau me me tau siv dav hauv ntau qhov chaw, nrog kev txhim kho kev hloov pauv sai sai, kev hloov pauv tshiab ntawm cov me me ntawm cov hlau tseem ntsib qee qhov kev cov nyom thiab cov sijhawm.
Thev naus laus zis thev naus laus zis. Siv kev txhim kho kom ruaj khov thiab txhawb nqa cov ntaub ntawv ntsuab thiab cov txheej txheem phooj ywg ib puag ncig thiab cov txheej txheem ntau lawm. Txuas ntxiv nthuav dav thiab kho nws cov chaw thov. Kev thoob ntiaj teb ntawm kev ua lag luam me me.
Peb tuaj yeem muab cov khoom lag luam ua los ntawm cov hlau me, xws litus kav dej, phaj, sawb, bar, thiab lwm yam, uas muaj nyob rau ntau qib kawm thiab qhov ntev.
FAQ:
1. Cov hlau me me thiab cov roj carbon steel tib yam khoom?
Yog, cov hlau me me thiab hlau me me yog cov npe sib txawv rau cov khoom tib yam. Ob qho tib si xa mus rau cov hlau nrog cov ntsiab lus carbon tsawg dua 0. 3%.
● Steel me me kom hais txog cov khoom siv yooj yim thiab yooj yim ntawm kev ua.
● Cov pa roj carbon tsawg tsawg qhia cov khoom ntawm qhov pom ntawm nws cov ntsiab lus carbon.
2. Cov pa roj hmab vs me me hlau
Cov hlau me me yog hom tshuaj carbon hlau. Ntxiv rau cov hlau me, cov hlau tuaj yeem muab faib ua cov hlau roj carbon steel thiab cov muaj zog ntawm cov sib txawv thiab cov yam ntxwv ntawm no peb cov hlau:
|
Lub npe |
Cov ntsiab lus carbon (wt.%) | Kev tsim | yam zoo |
| Tsawg cov pa hlau (hlau me) |
＜ 0.25 |
PETLITITE, Ferrite | Mos, pheej yig, ductile, yooj yim rau cov txheej txheem thiab Weld |
| Nruab Nrab Cov Hlau |
0.25 -0.60 |
Tus ntaus tswv | Kev DuCerate Nruab Nrab, Hardness, lub zog thiab kev tawm tsam kom tawv |
| Muaj Siab Carbon Hlau (Carbon Tool Hlau) |
0.60 - 1.25 |
Lub hlaws | Nyuaj heev, muaj zog, unyielding, nyuaj rau lub tshuab thiab weld |
