Q345qD Lub Zog Muaj Zog Tsawg Alloy Hlau

Q345qD yog ib hom uas tsis tshua muaj alloy siab zog steel qauv, belongs rau Q345 series steel, nws cov tshuaj muaj pes tsawg leeg thiab txhua yam khoom raws li qhov yuav tsum tau ntawm GB / T 1591-2018 tus qauv thiab JB / T 4730-2005 tus qauv. Cov yam ntxwv tseem ceeb ntawm Q345qD steel yog lub zog siab, zoo toughness, zoo hnav tsis kam thiab zoo weldability. Cov hlau feem ntau yog siv rau hauv cov choj, nkoj, cov khoom siv mining thiab lwm qhov chaw.

Q345qD yog ib hom qis-alloy high-strength steel qauv siv nyob rau hauv choj kev tsim kho, nws cov yam ntxwv muaj xws li cov nram qab no yam:

1. Lub zog siab: Q345qD muaj lub zog tensile siab thiab lub zog tawm los, uas tuaj yeem tiv taus ntau qhov kev thauj khoom thiab deformation kom muaj kev nyab xeeb thiab ruaj khov ntawm cov choj.
2. Zoo toughness: Q345qD steel muaj zoo toughness thiab cuam tshuam toughness, uas yuav siv tau nyob rau hauv muaj zog av qeeg, cua, daus, dej khov thiab lwm yam ntuj tsim tej yam kev mob.

3. Kev ua haujlwm zoo vuam: Q345qD steel muaj qhov zoo vuam kev ua tau zoo thiab tuaj yeem welded los ntawm cov pa vuam txoj kev.

4. Zoo corrosion kuj: Q345qD steel muaj qhov zoo corrosion kuj thiab tuaj yeem siv rau hauv qhov chaw hnyav xws li av noo thiab kua qaub los nag ntev.

Cov tsis tseem ceeb ntawm Q345qD steel muaj xws li hauv qab no:

1. Tshuaj muaj pes tsawg leeg: C Tsawg dua lossis sib npaug rau 0.18, Si Less dua lossis sib npaug rau 0.50, Mn: 1.20 ~ 1.6{{ 13}}, P Tsawg dua lossis sib npaug rau 0.030, S Tsawg dua lossis sib npaug rau 0.030, Nb Tsawg dua lossis sib npaug rau 0.07, V Tsawg dua lossis sib npaug 0.15, Ti Tsawg dua lossis sib npaug rau 0.020, Al Ntau dua lossis sib npaug rau 0.015.

2. Mechanical zog: Tensile zog Ntau tshaj los yog sib npaug rau 490MPa, yield zog Ntau tshaj los yog sib npaug rau 345MPa, elongation Ntau tshaj los yog sib npaug rau 21. 345MPa, elongation Ntau tshaj los yog sib npaug rau 21%, shrinkage Ntau tshaj los yog sib npaug rau 70% .

3. Cov khoom tshwj xeeb: Q345qD steel muaj cov khoom siv vuam zoo thiab kev ua haujlwm, tuaj yeem ua tau raws li cov kev cai ntawm kev tsim kho choj.

Q345qD yog tsim rau ntau yam kev tsim kho choj, suav nrog cov hauv qab no:

1. Cov choj loj: Q345qD steel tuaj yeem siv rau kev tsim cov choj loj, xws li txuas txuas txuas txuas, txuas txuas txuas txuas, txuas txuas txuas, steel truss txuas hniav thiab lwm yam khoom siv.

2. Railroad choj: Q345qD steel tuaj yeem siv rau kev tsim cov tsheb ciav hlau, xws li steel truss choj, steel truss choj, steel box txuas hniav thiab lwm yam khoom.

3. Lub tsev qauv: Q345qD steel tuaj yeem siv los tsim cov khoom thauj khoom ntawm lub tsev, xws li kab teeb, kab, kab teeb kab ntawm cov tuam tsev loj-span, thiab lwm yam.

4. Shipbuilding: Q345qD steel tuaj yeem siv los tsim cov khoom ntawm lub nkoj hull qauv, xws li lub cev pob txha, nkoj lawj, thiab lwm yam.

Peb cov khoom tseem ceeb yog stainless hlau phaj / ntawv, coil, round / square tube, bar, nickel alloy thiab lwm yam. Lub Hoobkas kuaj ntawv pov thawj yog muab thaum lub sijhawm xa khoom, thiab kev tshuaj xyuas thib peb tuaj yeem ua tau. Peb kuj tau lees paub los ntawm ISO, SGS thiab Alibaba. Peb muaj ntau tus kws tshaj lij, cov kws tshaj lij, cov nqi sib tw ntau dua li lwm cov tuam txhab stainless hlau thiab cov kev pab cuam tom qab muag zoo tshaj plaws. Thiab xa tawm mus rau ntau tshaj 50 lub teb chaws, feem ntau yog los ntawm Tebchaws Meskas, Russia, United Kingdom, Kuwait, Egypt, Qaib ntxhw, Jordan, Is Nrias teb thiab lwm yam.

Thaum siv Q345qD steel, koj yuav tsum tau them sai sai rau cov teeb meem hauv qab no:

1. Vuam: Q345qD steel muaj kev ua haujlwm vuam zoo, tab sis nyob rau hauv cov txheej txheem vuam, koj yuav tsum tau xyuam xim rau kev xaiv cov khoom siv vuam tsim nyog thiab thev naus laus zis kom tsis txhob tawg thiab deformation.

2. Txiav: Vim lub siab hardness ntawm Q345qD steel, koj yuav tsum tau siv cov cuab yeej tsim nyog thiab tshuab thaum txiav kom tsis txhob tawg thiab deformation.

3. Kev tiv thaiv xeb: Q345qD steel yuav tsum tau ua tib zoo saib xyuas kom tsis txhob xeb hauv cov txheej txheem ntawm kev siv, uas tuaj yeem tiv thaiv los ntawm txheej, xeb-pov thawj roj thiab lwm yam.

Cim npe nrov: q345qd siab zog tsawg alloy steel, Tuam Tshoj q345qd siab zog tsawg alloy steel lwm tus neeg