Xov Xwm - Tus "txhua yam-rounder" hauv Carbon Steel Plate

Cov hlau carbon yog ib qho ntawm cov khoom siv hlau yooj yim tshaj plaws. Nws yog ua los ntawm hlau, nrog cov ntsiab lus carbon ntawm 0.0218% -2.11% (tus qauv kev lag luam), thiab tsis muaj lossis muaj me me ntawm cov khoom sib xyaw. Raws li cov ntsiab lus carbon, nws tuaj yeem muab faib ua:
Cov hlau carbon tsawg(C≤0.25%): zoo toughness, yooj yim rau kev ua, Q235 yog rau pawg no;
Cov hlau carbon nruab nrab(0.25%
Cov hlau carbon siab(C> 0.6%): qhov nyuaj siab heev thiab brittleness siab.

Q235 carbon hlau: txhais thiab cov ntsiab lus tseem ceeb (GB / T 700-2006 tus qauv)

Kev sau ua ke	C	Si	Mn	P	S
Cov Ntsiab Lus	≤0.22%	≤0.35%	≤1.4%	≤0.045%	≤0.045%

Cov khoom siv kho tshuab:
Lub zog tawm los: ≥235MPa (tuab ≤16mm)
Lub zog tensile: 375-500MPa
Kev Ntev: ≥26% (tuab ≤16mm)

Cov Khoom Siv thiab Kev Ua Tau Zoo

Khoom siv:Cov ntaub ntawv siv feem ntau suav nrogGR.B, X42, X46, X52, X56, X60, X65, X70, thiab lwm yam.

Cov yam ntxwv ntawm kev ua tau zoo
Muaj Zog Siab: Muaj peev xwm tiv taus qhov siab siab uas tsim los ntawm cov kua xws li roj thiab roj av thaum lub sijhawm thauj mus los.
Kev Ruaj Siab Siab: Nws tsis yooj yim tawg thaum raug kev cuam tshuam sab nraud lossis kev hloov pauv geological, ua kom muaj kev nyab xeeb ntawm cov kav dej.
Kev Tiv Thaiv Zoo CorrosionRaws li kev siv sib txawv ntawm cov chaw thiab cov xov xwm, kev xaiv cov ntaub ntawv tsim nyog thiab cov txheej txheem kho qhov chaw tuaj yeem tiv taus kev xeb thiab ntev lub neej kev pabcuam ntawm cov kav dej.

Cov yam ntxwv ntawm Q235 tus "tub rog hexagonal"

Kev Ua Haujlwm Zoo Tshaj Plaws
Kev vuam tau: Tsis tas yuav tsum tau ua ntej cua sov, tsim nyog rau kev vuam arc, vuam roj thiab lwm yam txheej txheem (xws li kev vuam hlau tsim kho);
Kev Ua Tau Txias: Yooj yim khoov thiab luam tawm (piv txwv li: lub plhaub thawv faib khoom, lub qhov cua);
Kev siv tshuab tau: Kev ua haujlwm ruaj khov nyob rau hauv kev txiav qeeb qeeb (kev ua cov khoom siv tshuab).
Kev Sib Npaug Mechanical Comprehensive

Lub zog vs. Kev tawv ncauj: 235MPa lub zog tawm los coj mus rau hauv tus account ob qho tib si load-bearing thiab cuam tshuam tsis kam (piv rau Q195's 195MPa);
Kev Kho Mob Nto: Yooj yim rau galvanize thiab tsuag xim (xws li guardrails, lub teeb steel keels).
Kev Ua Haujlwm Zoo Tshaj Plaws ntawm Kev Lag Luam
Tus nqi qis dua li ntawm 15% -20% piv rau cov hlau uas tsis muaj zog (xws li Q345), uas tsim nyog rau kev siv loj.
Qib Siab ntawm Kev Txheem
Cov tuab sib xws: 3-50 hli (txaus Tshuag, txo cov voj voog hloov kho);
Cov qauv kev siv: GB/T 700 (hauv tebchaws), ASTM A36 (thoob ntiaj teb sib npaug).

Yuav thiab Siv "Phau Ntawv Qhia Txog Kev Zam"

Kev Txheeb Xyuas Zoo:
Qhov tsostsis muaj kab nrib pleb, caws pliav, quav (GB/T 709 phaj zoo tus qauv);
Kev Pov HwmTshawb xyuas cov khoom sib xyaw, cov khoom siv kho tshuab thiab daim ntawv qhia txog qhov tsis zoo (qhov tsis zoo ntawm UT yog qhov yuav tsum tau muaj rau cov khoom tseem ceeb ntawm cov qauv).
Txoj kev tiv thaiv xeb:
Sab hauv tsev: xim tiv thaiv xeb (xws li xim liab txhuas) + xim pleev xim sab saud;
Sab nraum zoov: kub-dip galvanizing (txheej ≥85μm) lossis tshuaj tsuag fluorocarbon txheej.
Cov Lus Cim Txog Kev Vuam:
Kev xaiv cov pas nrig vuam: E43 series (xws li J422);
Phaj nyias nyias(≤6mm): tsis tas yuav tsum tau ua ntej cua sov, phaj tuab (> 20mm): ua ntej cua sov 100-150 ℃ kom tiv thaiv kev tawg.