Q355, P235GH, 210A1, T1, T11, T12 Round Bar Steel

Round steel yog dav siv nyob rau hauv kev tsim kho, machinery, aerospace, tsheb tsim thiab lwm yam teb.Hauv kev tsim kho, puag ncig steel feem ntau yog siv los ua lub tsev steel qauv, choj, qhov, thiab lwm yam .;nyob rau hauv txhua yam teb, round steel feem ntau yog siv los ua bearings, zog, couplings, thiab lwm yam .;nyob rau hauv aerospace teb, round steel feem ntau yog siv los ua kom muaj zog qhov chaw xws li aircraft cav ncej.

Cov pa roj carbon steel tuaj yeem muab faib ua cov pa roj carbon tsawg, nruab nrab carbon steel raws li nws cov tshuaj muaj pes tsawg leeg (uas yog, nruab nrab carbon steel thiab siab carbon steel).
(1), cov pa roj carbon tsawg
Kuj tseem hu ua cov hlau mos, cov ntsiab lus ntawm 0.10% mus rau 0.30% cov pa roj carbon tsawg yog ib qho yooj yim rau kev txais ntau yam kev ua xws li forging, vuam thiab txiav, feem ntau siv hauv kev tsim cov chains, rivets, bolts, shafts, thiab lwm yam.

(2), nruab nrab carbon steel
Carbon steel nrog 0.25% ~ 0.60% carbon cov ntsiab lus.Muaj cov hlau tsis muaj zog, ib nrab ntawm cov hlau tsis muaj zog, cov hlau npau npau thiab lwm yam khoom.Ntxiv nrog rau cov pa roj carbon monoxide, nws tseem tuaj yeem muaj me me ntawm manganese (0.70% ~ 1.20%).Raws li cov khoom lag luam zoo, nws tau muab faib ua cov pa roj carbon zoo tib yam steel thiab cov qauv zoo carbon steel.Zoo thermal ua thiab txiav kev ua tau zoo, kev vuam tsis zoo.Lub zog thiab hardness yog siab dua li cov pa roj carbon tsawg, thaum lub plasticity thiab toughness yog qis dua cov pa roj carbon tsawg.Tsis muaj kev kho cua sov, ncaj qha siv cov khoom kub dov, cov khoom siv txias rub, tuaj yeem siv tom qab kev kho cua sov.quenched thiab tempered nruab nrab carbon steel muaj cov khoom zoo txhua yam.Qhov siab tshaj plaws hardness tuaj yeem ua tiav yog hais txog HRC 55 (HB 538), thiab σ b yog 600 ~ 1100MPa.Yog li ntawd, nyob rau hauv ntau yam kev siv ntawm nruab nrab lub zog theem, carbon steel tau siv dav tshaj plaws, ntxiv rau cov khoom siv hauv tsev, tab sis kuj muaj coob tus siv los tsim ntau yam khoom siv.

(3) High carbon steel
Feem ntau hu ua cov cuab yeej hlau, cov ntsiab lus carbon yog li ntawm 0.60% mus rau 1.70%, uas tuaj yeem ua kom tawv thiab tempered.Hammers thiab crowbars yog ua los ntawm cov hlau nrog 0.75% carbon cov ntsiab lus;cov cuab yeej txiav xws li xyaum, xaim tapping thiab reamers yog tsim los ntawm cov hlau nrog 0.90% mus rau 1.00% cov ntsiab lus carbon.

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