Q415NH Welded Weathering Steel Phaj
Xav paub ntau ntxiv txog peb cov khoom? Thov hu rau peb ntawm email lossis xov tooj.
Gnee Steel (Tianjin) Co., Ltd. yog ib qho ntawm cov kws tshaj lij q415nh welded weathering steel phaj manufacturers thiab lwm tus neeg nyob hauv Suav teb. Txais tos rau kev lag luam wholesale customized q415nh welded weathering steel phaj ntawm tus nqi sib tw los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab cov khoom zoo yog muaj.
Khoom Description
Q415NH steel phaj, raws li qib siab -kev ua haujlwm huab cua steel phaj, muaj ntau cov ntaub ntawv thiab cov yam ntxwv ntawm nws lub npe. Q stands rau yield zog, uas yog ib qho ntawm cov cim tseem ceeb ntawm txhua yam khoom ntawm steel; 415 qhia meej meej tias lub zog ntawm cov hlau phaj nyob rau hauv cov qauv txheej txheem nce mus txog 415MPa, uas yog siab dua li cov hlau zoo tib yam, ua kom pom tias nws muaj peev xwm ua tau zoo thiab ruaj khov. NH yog cov ntawv luv ntawm Xwm -tiv taus, Hnyav{7}}lub luag haujlwm, uas txhais tau hais tias Q415NH steel phaj muaj qhov zoo ntawm atmospheric corrosion kuj thiab tuaj yeem tuav tau ntev -lub sij hawm ua haujlwm ntev nyob rau hauv ib puag ncig hnyav, txo tus nqi tu thiab hloov zaus.
Tshuaj muaj pes tsawg leeg (GB/T 4171-2008, Mass Fraction, %)
| Element | C | Si | Mn | P | S | Cu | Cr | Ni |
|---|---|---|---|---|---|---|---|---|
| Ntau yam | Tsawg dua lossis sib npaug li 0.12 | Tsawg dua lossis sib npaug li 0.65 | Tsawg dua lossis sib npaug li 0.1.10 | Tsawg dua lossis sib npaug li 0.025 | Tsawg dua lossis sib npaug li 0.030 | 0.25-0.55 | 0.30-1.25 | 0.12-0.65 |
Mechanical Properties (Thickness Tsawg dua lossis sib npaug ntawm 16mm, GB / T 4171-2008)
| Khoom | Tus nqi |
|---|---|
| Yield zog (ReL) | Ntau dua lossis sib npaug rau 415MPa |
| Tensile zog (Rm) | 520-680 MPa |
| Elongation (A) | Ntau dua lossis sib npaug li 22% |
| Charpy Impact Zog (20 degree, V-Notch) | Ntau dua lossis sib npaug li 47 J |
Q415NH steel phaj txais cov txheej txheem alloying siab heev thiab kev kho cua sov, thiab tsim cov txheej txheem tiv thaiv xeb los ntawm kev ntxiv cov khoom tsim nyog ntawm cov hlau. Cov txheej xeb no tuaj yeem tsis tsuas yog cais cov corrosion ntawm oxygen thiab noo noo mus rau lub substrate, tab sis kuj maj mam nws tus kheej- kho nyob rau hauv ib puag ncig corrosive, yog li txuas ntxiv lub neej kev pab cuam. Nws qhov tshwj xeeb microstructure muab Q415NH steel phaj ob qhov zoo ntawm cov tawv thiab corrosion kuj, ua rau nws siv dav hauv ntau qhov chaw xws li txuas hniav, kev tsim kho, kev tsim tsheb, thiab chaw nres nkoj.
Tsis tas li ntawd, Q415NH steel phaj kuj muaj qhov zoo weldability thiab kev ua tau zoo, uas yooj yim rau ntawm - qhov chaw tsim kho thiab kev ua raws li kev cai, txo cov kev tsim kho nyuaj thiab nqi. Nws cov kev tiv thaiv ib puag ncig thiab lub zog- txuag cov yam ntxwv yog ua raws li cov kev xav tau ntawm kev lag luam niaj hnub rau kev txhim kho kom ruaj khov, thiab nws tau dhau los ua tus thawj coj hauv kev tsim cov khoom siv ntsuab. Hauv cov ntsiab lus, Q415NH steel phaj yog maj mam dhau los ua ib qho ntawm cov lus qhia tseem ceeb rau kev txhim kho cov khoom siv hlau yav tom ntej nrog nws lub zog siab, huab cua tsis kam, kev ua haujlwm vuam zoo heev thiab kev tiv thaiv ib puag ncig thiab kev txuag hluav taws xob.
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