Dab tsi yog qhov txawv ntawm 20 # thiab Q235B
Ob leeg 20#thiabQ235B yog cov qib steel ntau hauv Suav teb. Txawm li cas los xij, lawv muaj cov tshuaj sib txawv thiab cov khoom siv kho tshuab.LEFIN STEELtuaj yeem tsim tau ob qho tib si 20 # thiab Q235B cov khoom siv hlau.
20# steel yog qib carbon steel, nrog cov ntsiab lus carbon ntawm 0.17%-0.24%. Nws muaj zoo weldability, machinability, thiab siab zog thiab toughness. Nws yog dav siv nyob rau hauv machinery qhov chaw, tsheb Cheebtsam, thiab structural steel.
Q235B steel yog cov hlau tsis tshua muaj cov qauv hlau, nrog cov ntsiab lus carbon ntawm 0.12%-0.20%. Nws muaj zoo weldability, plasticity, thiab toughness. Nws yog dav siv hauv kev tsim kho thiab kev tsim vaj tsev, xws li cov tsev, txuas hniav, thiab kev tsheb ciav hlau.
Chemical elemet cov ntsiab lus:
Piv nrog 20 # steel, Q235B steel muaj cov ntsiab lus qis dua thiab muaj zog ntau dua. Nws kuj muaj kev tiv thaiv corrosion zoo dua thiab kub ua haujlwm, ua rau nws tsim nyog rau kev siv hnyav.
20#:
Cov pa roj carbon: {{0}}.17% rau 0.24%
Manganese: {{0}}.35% mus rau 0.65%
Silicon: {{0}}.17% rau 0.37%
Lwm cov ntsiab lus feem ntau pom nyob rau hauv 20 # steel muaj xws li sulfur, phosphorus, thiab tooj liab, uas tuaj yeem pab txhim kho cov hlau machinability thiab corrosion kuj.
Q235B:
Cov pa roj carbon: 017-0.22%
Silicon: 017-0.37%
Manganese: 0 35-0.80%
Phosphorus thiab sulfur yog ntxiv me me rau Q235B - feem ntau nyob ib ncig ntawm 0.040% thiab 0.050% raws li. Lawv yog cov tseem ceeb hauv cov txheej txheem steel thiab pab txhim kho cov hlau machinability thiab weldability.
Qhov zoo:
20#:
1. Ib qho txiaj ntsig tseem ceeb ntawm kev nyob hauv koj nees nkaum xyoo yog tias nws yog lub sijhawm tshawb nrhiav thiab tshawb pom. Nws yog lub sijhawm sim ua yam tshiab, mus ncig, ntsib cov neeg tshiab, paub txog kab lis kev cai tshiab, thiab kawm paub ntxiv txog koj tus kheej thiab lub ntiaj teb nyob ib puag ncig koj. Koj muaj lub luag haujlwm tsawg dua li koj yuav muaj tom qab hauv lub neej, yog li nws yooj yim dua rau kev pheej hmoo thiab ua raws li koj lub siab nyiam.
2. Lwm qhov zoo ntawm kev nyob hauv koj nees nkaum xyoo yog tias koj muaj lub zog thiab kev txaus siab heev. Koj tseem hluas thiab muaj zog, thiab muaj kev mob siab rau lub neej. Qhov no tuaj yeem txhais ua kev muaj tswv yim zoo dua, ua tau zoo dua, thiab ua tiav ntau dua hauv koj txoj haujlwm thiab koj tus kheej lub neej.
3. Tsis tas li ntawd, koj nees nkaum xyoo yog lub sijhawm uas koj muaj sijhawm los tsim koj tus kheej hauv koj txoj haujlwm. Koj muaj peev xwm kawm cov txuj ci tshiab, tau txais kev paub dhau los, thiab tsim kev sib txuas uas tuaj yeem pab koj nce qib hauv koj txoj haujlwm uas koj xaiv. Koj kuj muaj kev ywj pheej los hloov koj txoj haujlwm yog tias koj txiav txim siab tias koj qhov tam sim no tsis ua tiav.
4. Tsis tas li ntawd, koj nees nkaum xyoo yog lub sijhawm uas koj tuaj yeem txhim kho koj tus kheej thiab tsim kev sib raug zoo. Koj muaj sijhawm los nrhiav seb koj yog leej twg thiab koj xav tau dab tsi hauv lub neej, thiab koj tuaj yeem tsim kev sib raug zoo nrog cov neeg uas qhia koj qhov tseem ceeb thiab lub hom phiaj.
Q235B:
1. Lub zog zoo: Q235B muaj cov khoom siv zoo xws li lub zog tensile siab, lub zog tawm los, thiab tawv, ua rau nws haum rau kev siv hnyav.
2. Zoo weldability: Q235B tuaj yeem yooj yim welded nrog feem ntau cov txheej txheem vuam, ua kom zoo thiab lub zog ntawm cov khoom sib koom.
3. Tus nqi pheej yig: Q235B yog cov hlau tsis tshua muaj nqi nrog cov khoom sib piv rau cov nqi siab dua, ua rau nws yog qhov kev xaiv zoo tshaj plaws rau cov neeg siv khoom paub txog tus nqi.
4. Kev ua tau zoo heev: Q235B tuaj yeem ua tau yooj yim machined thiab zoo li tus, ua rau nws yog ib qho kev xaiv zoo tshaj plaws rau kev tsim khoom lossis cov khoom uas yuav tsum tau muaj cov lus qhia meej.
5. Versatility: Q235B tuaj yeem siv rau ntau yam kev siv, suav nrog kev tsim kho, kev tsim khoom, tsheb, thiab lwm yam.
Yam ntxwv:
1. Lub 20# steel yog ib qho yooj yim rau txheej txheem thiab kev lag luam, ua rau nws muaj kev xaiv nrov hauv kev tsim kho.
2. Cov Q235B steel muaj lub zog zoo dua thiab muaj zog dua li 20# steel, uas ua rau nws zoo tagnrho rau kev siv kev ntxhov siab xws li txuas hniav thiab cov tsev siab.
3. Ob leeg 20# thiab Q235B paub tias muaj kev sib txuas zoo, ua rau lawv yooj yim los koom nrog lwm cov ntaub ntawv.
Daim ntawv thov:
20#:
1. Ib qho kev siv ntau tshaj plaws ntawm 20# steel yog nyob rau hauv kev tsim kho kev lag luam, qhov twg nws yog siv los tsim cov choj, vaj tse, thiab lwm yam kev tsim kho vaj tse. Nrog nws lub zog tensile siab, nws tuaj yeem tiv taus hnyav thiab hnyav huab cua, ua rau nws yog ib qho khoom siv zoo tshaj plaws rau kev tsim kho loj.
2. Hauv kev lag luam automotive, 20# steel yog siv los tsim ntau yam khoom, nrog rau cov cav cav, lub tshuab raug ncua, thiab lwm yam tseem ceeb. Cov hlau ua kom pom kev qaug zog thiab tawv tawv ua rau nws yog qhov kev xaiv zoo tshaj plaws los tiv thaiv kev hnav thiab tsim kua muag ntawm kev siv txhua hnub thiab kev mob hnyav.
3. Tsis tas li ntawd, hauv kev tsim khoom, 20# steel yog siv los tsim cov cuab yeej, khoom siv, thiab cov khoom siv tshuab. Nws zoo heev machinability thiab weldability muaj peev xwm ua rau nws yog ib qho kev xaiv zoo heev rau fabricators thiab manufacturers uas yuav tsum tau high-kev ua tau zoo hlau uas muaj peev xwm sawv mus rau nruj kev lag luam txheej txheem.
Q235B:
1. Hauv kev tsim kho, Q235B steel tuaj yeem siv rau lub tsev thav duab, txuas hniav, thiab lwm yam khoom siv. Nws lub zog siab thiab ua haujlwm ntev ua rau nws cov khoom siv txhim khu kev qha rau kev tiv thaiv hnyav thiab hnyav ib puag ncig. Ntxiv mus, nws cov nqi qis thiab muaj nyob ua rau nws yog qhov kev xaiv nrov rau kev tsim kho.
2. Hauv kev tsim cov tshuab, Q235B steel tuaj yeem siv rau kev tsim ntau yam xws li lub zog, ncej, thiab axles. Nws zoo machinability thiab weldability ua rau nws yooj yim rau txheej txheem thiab sib sau ua ke rau hauv complex Cheebtsam. Tsis tas li ntawd, nws lub zog siab thiab toughness ua rau nws muaj peev xwm tiv taus cov khoom hnyav thiab kev siv zog siab.
3. Hauv kev thauj mus los, Q235B steel tuaj yeem siv rau kev tsim tsheb xws li tsheb thauj khoom, tsheb thauj khoom, thiab tsheb npav. Nws lub zog siab thiab nruj ua rau nws zoo tagnrho rau kev txhawb nqa hnyav thiab ua kom muaj kev nyab xeeb thaum thauj. Tsis tas li ntawd, nws cov nqi qis thiab muaj nyob ua rau nws cov khoom siv tau zoo rau kev tsim khoom siv tsheb thauj mus los.
Hauv kev xaus, ob qho tib si 20 # thiab Q235B yog cov qib steel ntau thiab tseem ceeb hauv Suav teb, nrog cov tshuaj sib txawv thiab cov khoom sib txawv. Nws yog ib qho tseem ceeb uas yuav tau xaiv cov qib steel zoo rau kev siv sib txawv kom ntseeg tau tias kev ua tau zoo thiab ua haujlwm ntev.
