Q295GNH Steel Phaj: Huab cua Resistant & Muaj zog

Gnee Steel (Tianjin) Co., Ltd. yog ib qho ntawm cov kws tshaj lij q295gnh steel phaj: huab cua resistant & muaj zog manufacturers thiab lwm tus neeg nyob hauv Suav teb. Txais tos rau kev lag luam wholesale customized q295gnh steel phaj: huab cua resistant & muaj zog ntawm tus nqi sib tw los ntawm peb lub hoobkas. Cov kev pabcuam zoo thiab cov khoom zoo yog muaj.

Q295GNH yog cov qauv zoo tshaj plaws steel phaj engineered rau sab nraum zoov durability, adhering rauGB/T 4171-2008thiabGB/T 1591-2008tus qauv. Cov alloy siab tshaj no ua ke nrog lub zog tensile siab, kev tiv thaiv kev tiv thaiv tsis muaj zog, thiab thermal stability, ua rau nws zoo tagnrho rau kev tsheb ciav hlau, cov khoom siv hauv tsev, thiab kev tsim kho ntug dej hiav txwv raug cov ntsev tsuag, kua qaub los nag, thiab dynamic loads.

Core Engineering Properties

Alloy Composition: Muaj Cu (0.25-0.45%), Cr (0.30-0.65%), thiab Ni (0.25-0.50%), ua kom tuab-FeOOHoxide txheej uas txo cov nqi corrosion los ntawm2-8 zaugpiv rau cov pa roj carbon steel. Phosphorus (0.07-0.12%) txhim khu kev tiv thaiv rau acidic ib puag ncig, thaum tswj cov pa roj carbon (tsawg dua los yog sib npaug rau 0.12%) ua kom weldability thiab ductility.

Mechanical Performance:

Yield zog Ntau tshaj los yog sib npaug rau 295 MPa (thickness Tsawg dua los yog sib npaug rau 16mm), tensile zog 430-560 MPa, thiab elongation Ntau tshaj los yog sib npaug li 24%, kom ntseeg tau tias muaj peev xwm load-bearing nyob rau hauv dynamic cua thiab seismic loads.

Kev cuam tshuam kev cuam tshuam: Ntau dua lossis sib npaug ntawm 34J ntawm -20℃(Qib D) rau Ntau dua lossis sib npaug rau 60J (kev sib tham tau rau cov ntawv thov tseem ceeb), tseem ceeb rau qhov qis- qhov kub thiab qhov siab-seismic zones.

Huab cua & Corrosion Resistance

Kev tiv thaiv huab cua: Tsim kom muaj tus kheej- tiv thaiv xeb patina (50-100μm tuab) los ntawm kev raug dej noo thiab oxygen, uas ua rau lub cev tiv thaiv chloride ingress nyob rau hauv cov ntug dej hiav txwv thiab sulfur dioxide nyob rau hauv cov cheeb tsam muaj. Corrosion tus nqi tseem tsawg dua lossis sib npaug li 0.1 mm / xyoo hauv 5% NaCl ib puag ncig.

UV & Acid Resistance: Resistant UV aging perISO 4892-3thiab sulfuric acid ib puag ncig (70℃50% H₂SO₄) nrog tus nqi corrosion Tsawg dua lossis sib npaug li 14 mg / cm²·h, haum rau hauv nroog thiab thaj chaw muaj kev lag luam.

Fatigue Endurance: Optimized rau cyclic loading nrog qaug zog zog mus txogFAT80-FAT90(Eurocode 3), kom ntseeg tau tias lub neej ntev nyob rau hauv siab - kev vibration daim ntaub ntawv xws li railway choj.

Kev siv ntau yam hauv Infrastructure

• Railway Engineering:

Freight Tsheb Lub Cev: Siv nyob rau hauv railway wagon floors thiab structural Cheebtsam vim nws siab abrasion tsis kam thiab kam rau acidic mine dej.

Choj Substructures: Resistant chloride-induced corrosion nyob rau hauv ntug hiav txwv railway viaducts, hla1000-teev ntsev tsuag tshuaj ntsuamnrog tsawg kawg pitting.

• Khoom siv:

Mining Conveyors: Cov khoom pov thawjHB 230-280 hardnessnyob rau hauv hnav- cov ntawv siv yooj yim xws li conveyor siv thiab chute liners .

Chemical Storage Tanks: Withstands 70℃50% H₂SO₄ ib puag ncig, txo cov nqi kho mob los ntawm50%piv rau pleev xim rau carbon steel.

• Ntug hiav txwv & huab cua huab cua:

Marine Piers: Resistant ntsev tsuag thiab tidal fluctuations, tswj kev ncaj ncees nyob rau hauv -40℃mus rau +60℃kub heev.

Suab puam Installations: Resistant sandstorms thiab UV degradation, zoo tagnrho rau hnub ci kev txhawb nqa cov qauv.

Cim npe nrov: q295gnh structural steel phaj: huab cua resistant & muaj zog, Tuam Tshoj q295gnh structural steel phaj: huab cua resistant & muaj zog manufacturers, hoobkas