Carbon steel

Carbon Steel - hlau thiab carbon hlau - yuav siv sij hawm txog 80% ntawm tag nrho cov kev kho vajtse. Cov khoom muaj fee txhua yam khoom, kuj tsis tshua muaj nqi. Cov kev ceev ntawm steel (7.7 rau 7.9) * 103 kg / m3.

Cov hlau yog kho zoo siab thiab tej. Nws yuav tsum tau muab sau tseg tias cov ntaub ntawv uas yog superior nyob rau hauv cov zog doped hlau. Nrog rau qhov no, cov hlau tsawg workability nyob rau hauv tshav kub kev kho mob. Nyob rau hauv kev twb kev txuas nrog lub siab tseem ceeb heev ceev ntawm hardening, lub alloy yog txias nyob rau hauv cov dej. Qhov no, nyob rau hauv lem, ua rau tseem ceeb warpage thiab deformation ntawm cov khoom. Rau cov pa roj carbon steel muaj tib alloy doped nrog lub dag lub zog, nws yog tsim nyog los tso rau ntawm ib tug sab kub. Nyob rau hauv no hais txog, cov muab ib tug high voltage, uas thiaj li muaj qhov yam ntxwv zog ntawm cov khoom.

Carbon steel yog ntawm ob hom: kev zoo siab thiab ntau zoo.

Qhov thib ob hom yog sawv cev Kuav los tiag khoom: raws, hlab, ces kaum, los xij, beams, rods thiab thiaj li nyob. Nyob rau hauv cov pa carbon steel zoo permissible cov ntsiab lus ntawm nonmetallic inclusions teeb meem impurities. Thiab pub ib co degree ntawm cov roj saturation ntawm cov khoom.

Nyob rau hauv raws li cov khoom thiab lub hom phiaj ntawm txoj carbon alloys yog subdivided rau hauv pab pawg A, B thiab C.

Cov thawj pab pawg neeg (A) siv nyob rau hauv ntau lawm ntawm qhov chaw tsis muaj kub ua hauj lwm. Yog li, cov ntaub ntawv uas khaws txhua yam khoom.

Steel pab pawg neeg B yog siv nyob rau hauv ntau lawm ntawm qhov chaw siv ib tug kub ua hauj lwm (e.g., dov, forging, vuam). Nyob rau hauv cov ntaub ntawv no, tus neeg kho tshuab zog thiab cov thawj zaug qauv hloov. Rau cov khoom yog ib qho tseem ceeb cov lus qhia txog cov tshuaj nyob tus yeees. Nyob ntawm seb lub ntsiab lus yuav tsum tau txiav txim thiab cov kub ua hauj lwm hom.

Steels ntawm pab pawg neeg B yog siv rau kev tsim welded lug tseem ceeb heev qhov chaw.

Nws yuav tsum tau muab sau tseg tias txoj kev ntawm cov zauv cov hlau cov ntaub ntawv uas muaj feem xyuam rau lub thermal conductivity ntawm hlau. Li no, tej yam nyob rau hauv cov khoom siab tsub kom vaj tse rau kev tshav kub mus rau tsawg kub ib feem ntawm ib tug rhuab feem.

Carbon steel zoo tib yam zoo, peb pawg yog siv rau lub zus tau tej cov ntau yam steel lug, pab kiag li lawm thiab maj mam loaded tshuab qhov chaw. Qhov no hom ntawm cov ntaub ntawv uas yog muaj feem xyuam nyob rau hauv tus neeg mob qhov twg qhov kev kawm ntawm cov khoom no yog muab los ntawm lub rigidity. Carbon steel zoo tib yam zoo yog lug siv nyob rau hauv kev tsim kho kev lag luam nyob rau hauv kev tsim kho ntawm kev reinforced lug. Cais pab pawg ntawm cov alloys B thiab D yog raug rau tus mob khaub thuas ua hauj lwm zoo thiab welded. Nyob rau hauv kev twb kev txuas nrog cov steels yog lug siv nyob rau hauv qhov siv thiab ua ntas, welded teb, lub tsev lug, raws li zoo raws li fasteners, ib co kev uas tom qab yog raug cementation.

Lawv los ua muab faib raws li cov vam meej, medium- thiab tsawg-carbon.

Tsis ntev los no yus muaj los ntawm siab ductility thiab tsawg zog nyob rau hauv lub txias lub xeev. Feem ntau, cov uas tsis muaj-carbon steel yog manufactured rau hauv ib tug nyias daim ntawv. Carbon thiab silicon yog muaj nyob rau ntawd nyob rau hauv ib tug me me npaum li cas, thiaj li hais tias cov alloys mos mos.

Steel Medium (tus xov tooj 4 thiab 3), yus muaj los ntawm siab zog. Cov alloys yog siv nyob rau hauv qhov siv thiab ua zog, shafts, Pulleys thiab lwm qhov chaw ntawm ua liaj ua teb thiab cov tsheb thauj khoom, thiab kev tsheb ciav hlau log, ntsia thiab lwm yam khoom.

High-carbon steel (tus xov tooj 5 thiab 6) thiab ib tug siab manganese cov ntsiab lus yog siv nyob rau hauv feem ntau tus neeg mob nyob rau hauv lub chaw ua khoom ntawm siab zog hlau springs, springs thiab lwm qhov chaw uas yuav tsum tau siab elasticity thiab abrasion kuj.