Cov yeeb nkab hlau carbon, yog ib yam khoom siv dav dav hauv kev lag luam, ua lub luag haujlwm tseem ceeb hauv kev lag luam xws li roj av, kev tsim kho tshuaj lom neeg, thiab kev tsim kho. Cov yeeb nkab hlau carbon feem ntau yog muab faib ua ob hom:cov yeeb nkab hlau tsis muaj seamlessthiabcov yeeb nkab hlau vuam.
Hais txog cov txheej txheem tsim khoom thiab cov qauv, cov yeeb nkab hlau tsis muaj seamless yog tsim los ntawm kev dov lossis extrusion, tsis muaj cov seams welded. Nws muaj lub zog tag nrho thiab kev tawv, tuaj yeem tiv taus siab dua thiab kub dua, thiab tsim nyog rau cov ntawv thov uas xav tau kev nyab xeeb ntawm cov yeeb nkab.
Cov yeeb nkab hlau uas vuam, ntawm qhov tod tes, yog tsim los ntawm kev sib txuas thiab vuam cov hlau phaj, nrog ib lossis ntau qhov vuam. Txawm hais tias qhov no muab kev ua haujlwm siab thiab tus nqi qis, nws cov kev ua tau zoo hauv qab qhov siab thiab qhov chaw ib puag ncig hnyav me ntsis qis dua li cov yeeb nkab seamless.
Rau cov yeeb nkab hlau tsis muaj qhov sib txuas, Q235 thiab A36 yog cov qib nrov. Cov yeeb nkab hlau Q235 yog cov hlau carbon uas siv ntau hauv Suav teb. Nrog lub zog tso zis ntawm 235 MPa, nws muaj kev sib txuas zoo heev thiab kev ywj pheej ntawm tus nqi pheej yig. Nws yog siv dav hauv kev tsim kho kev txhawb nqa, cov kav dej kua qis, thiab lwm yam kev siv, xws li cov kav dej xa dej hauv tsev thiab kev tsim kho cov ncej hlau ntawm cov tsev Hoobkas ib txwm muaj.
A36 cov yeeb nkab hlau carbonyog qib txheem hauv Tebchaws Meskas. Nws lub zog tso zis zoo ib yam li Q235, tab sis nws muaj lub zog tensile zoo dua thiab kev cuam tshuam zoo dua. Nws yog siv dav hauv cov kav dej qis-siab hauv kev tsim khoom siv tshuab thiab kev tsim roj, xws li kev ua cov khoom siv me me thiab cov kav dej roj qis-siab hauv cov teb roj.
Rau cov yeeb nkab steel welded,Q235 welded hlau yeeb nkabkuj yog qib nrov. Vim nws tus nqi qis thiab kev ua haujlwm vuam zoo heev, nws feem ntau siv rau hauv kev xa roj hauv nroog thiab cov haujlwm xa dej qis. A36 welded yeeb nkab, ntawm qhov tod tes, feem ntau siv rau hauv cov kav dej kev lag luam qis nrog qee qhov kev xav tau lub zog, xws li cov kav dej thauj khoom qis hauv cov nroj tsuag tshuaj me me.
| Qhov Sib Piv Qhov Ntev | Q235 Cov Yeeb Nkab Hlau | A36 Cov Yeeb Nkab Hlau Carbon |
| Txheej Txheem Txheem | Tuam Tshoj Lub Tebchaws Tus Qauv (GB/T 700-2006 "Carbon Structural Steel") | Lub Koom Haum Asmeskas rau Kev Ntsuas thiab Cov Khoom Siv (ASTM A36/A36M-22 "Carbon Steel Plate, Shapes, thiab Bars for Structural Use") |
| Lub Zog Tawm (Yam Tsawg Kawg Nkaus) | 235 MPa (tuab ≤ 16 hli) | 250 MPa (thoob plaws tag nrho cov tuab) |
| Lub zog tensile ntau yam | 375-500 MPa | 400-550 MPa |
| Cov Kev Xav Tau Txog Kev Cuam Tshuam | Kev sim cuam tshuam ntawm -40 ° C tsuas yog xav tau rau qee qib (piv txwv li, Q235D); tsis muaj qhov yuav tsum tau ua rau cov qib sib xws. | Cov Kev Cai: -18 ° C kev sim cuam tshuam (ib feem ntawm cov qauv); qhov kub qis toughness zoo dua li cov qib Q235 ib txwm muaj |
| Cov Xwm Txheej Tseem Ceeb ntawm Daim Ntawv Thov | Kev tsim kho vaj tse (cov qauv hlau, cov kev txhawb nqa), cov kav dej / roj qis, thiab cov khoom siv kho tshuab dav dav | Kev tsim khoom siv tshuab (cov khoom me me thiab nruab nrab), cov kav dej qis qis hauv thaj chaw roj, cov kav dej kua qis qis hauv kev lag luam |
Zuag qhia tag nrho, cov kav hlau tsis muaj qhov sib txuas thiab cov kav hlau vuam txhua tus muaj lawv qhov zoo. Thaum yuav khoom, cov neeg siv khoom yuav tsum xav txog qhov siab thiab qhov kub ntawm daim ntawv thov tshwj xeeb, nrog rau lawv cov peev nyiaj, thiab xaiv qib tsim nyog, xws li Q235 lossis A36, kom ntseeg tau tias qhov project zoo thiab kev nyab xeeb.
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