GB / T Q235NH Corten Steel uas tau lees paub thiab tshaj lij

 

 

 

 

 

GB / T Q235NH Corten Hlau

 

 

 

 

 

 

Tsis zoo li cov roj carbon hlau, Q235NH ua cov txheej txheem oxide, PATINE) thaum raug rau huab cua, maj mam qeeb qeeb ntxiv corrosion. qhov no ua rau nws aQhov kev xaiv zoo tshaj plaws rau kev ua nqi - ua tau zoo, kev ua qauv me menyob rau hauv cov chaw hnyav .

 

Q235NH muabZoo Weldability, Formaty, thiab atmospheric Corrosion Kuj, nrog aYam tsawg kawg nkaus los lub zog muaj zog ntawm 235 MPa, ua rau nws tsim nyog rau kev ua kom haum rau cov ntawv thov nruab nrab hauv nruab nrab . nws cov tshuaj muaj pes tsawg leeg suav nrogtooj liab, chromium, npib tsib xee, thiab phosphorus, txhim kho nws qhov durability hauv kev lag luam, hauv nroog, thiab dej hiav txwv atmospheres .

 

 

 

 

 

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Cov Khoom Qhia Khoom Zaum

Ntiag tug	Tus nqi / specification
Lub hom phiaj	GB / T 4171 (Tuam Tshoj Weathering Hlau Txheem)
Teem nqi	Q235NH
Yield zog (min)	235 MPa
Lub zog tensile	360-500 mpa
Elongation (min)	25%
Kev Cuam Tshuam Sim Kub	-20℃(nh kev tsim qauv)
Qhov Tseem Ceeb Alloying Ntsiab Lus	CU, CR, NI, P (Enhanced corrosion resistance)
Corrosion Kuj	2-4x zoo dua li cov roj carbon steel nyob hauv nroog / nroog thaj chaw
Hwj txwv	Zoo (preheating pom zoo rau cov kab tuab)
Nto tas	Kub-rolled, zeb nplai, lossis ua ntej xeb patina

 

 

 

 

 

Tus Neeg Mus Ntsib

          

                          

 

                 

 

 

 

Cim npe nrov: GB / T Q235NH Corten Steel uas tau lees paub thiab kev tshaj lij, Tuam Tshoj GB / T Q235NH corten steel uas tau lees paub thiab kev lag luam ua haujlwm, Hoobkas