Weathering Steel Bridges ak Konstriksyon Corten Steel

Jul 01, 2026 Kite yon mesaj

Nou baycho -woule asye estriktirèl move tan pou pon yo(tankou Q355NH), ki fèt pou diferan pon span ak anviwònman difisil deyò. Pou epesè mwens pase oswa egal a 16 mm, li bay yon fòs sede minimòm ki pi gran pase oswa egal a 355 MPa ak fòs rupture nan 490-630 MPa, ak elongasyon nan pi gwo pase oswa egal a 22% ak bon pèfòmans koube 180 degre.

 

Konpare ak asye pon òdinè, li ofri menm jan oswa pi bon chay-kapasite pote pandan y ap diminye pèt seksyon ki gen rapò ak korozyon-. Nan anviwònman atmosferik, endistriyèl, ak bò lanmè, li fòme yon kouch rouye pwoteksyon dans, amelyore rezistans korozyon pa apeprè 45% konpare ak asye kabòn.

 

Sa a pèmèt premye kouch antretyen an reta a 15-20 ane oswa plis, sa ki diminye anpil depans antretyen sik lavi yo. Li se lajman ki itilize nan bastengal pon, manm pon vout, estrikti ki wo, ak gwo -kad asye deyò.

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Nou bay cho -woule asye estriktirèl pon segondè dezagregasyon an konfòmite ak GB/T 4171-2008, ki kouvri klas tankou Q235NH, Q355NH, ak Q310GNH, ki fèt pou satisfè diferan kondisyon pou pote chaj pou pon divès kalite.

 

Konpare ak asye pon konvansyonèl yo (asye kabòn oswa asye ki pa -alyaj ki ba-, ki gen tandans fè rouye, ekaye, ak pèt seksyon nan anviwònman chaj imid, koroziv ak siklik, GB/T 4171-2008 asye dezagregasyon kenbe pèfòmans mekanik ki estab alontèm.

 

Pou epesè mwens pase oswa egal a 16 mm, klas kle tankou Q355NH bay yon fòs sede minimòm de Greater pase oswa egal a 355 MPa, pandan y ap Q310GNH asire Greater pase oswa egal a 310 MPa, ak ekselan rezistans fatig ak pèfòmans frèt fòme. Nan kondisyon sèvis tipik, lavi sèvis estriktirèl li yo ka pwolonje a 30-50 ane oswa plis, siyifikativman depase estrikti òdinè pon asye kabòn.

 

Nan aplikasyon pou otowout, tren, ak iben pon elve, premye kouch antretyen an ka retade a 15-20 ane oswa plis, ak lavi sèvis jeneral anjeneral 2-3 fwa sa yo estrikti konvansyonèl asye kabòn. Sa redwi anpil -frekans antretyen alontèm, risk entèripsyon trafik yo, ak pèt operasyon endirèk.

 

Espesifikasyon nan dezagregasyon asye estriktirèl pou pon

Atik

Spesifikasyon

Non pwodwi

GB/T 4171 atmosferik korozyon rezistan estriktirèl Steel fèy

Klas materyèl Q235NH, Q295NH, Q295GNH, Q355NH, Q355GNH, Q415NH, Q460NH, Q500NH, Q550NH, Q265GNH, Q310GNH)
Range epesè 1.5 mm - 40.0 mm
Lajè Range 1000 mm, 1250 mm, 1500 mm, 1800 mm, 2000 mm, oswa Customized
Longè Range 2000 mm, 3000 mm, 6000 mm, 12000 mm, oswa Customized
Kondisyon Sifas Kòm-woule, marinated, oswa pre-rouye (Fini akselere ak move tan)
Pwosesis Faktori Woule cho, Thermo-Prosesis kontwòl mekanik (TMCP), nòmalize
Pwosesis Sèvis Koupe lazè, pwensonaj CNC, koube, soude, nivelman
Kondisyon Edge Mill Edge (ME), Slit Edge (SE)
Kondisyon livrezon Cho woule / kontwole woule / nòmalize woule
Sètifika EN 10204 3.1 MTC, Sètifika Tès Mill
Enspeksyon ki disponib PMI (Analiz Chimik), Tès mekanik, Tès enpak, SGS, BV, TUV
Tan livrezon 7-15 Jou

 

Konpozisyon chimik GB/T 4171 Weathering estriktirèl Steel pou Bridge

Klas C (%) Si (%) Mn (%) P (%) S (%) Cu (%) Cr (%) Ni (%)
Q235NH Mwens pase oswa egal a 0.14 0.20–0.50 0.30–0.65 0.060–0.120 Mwens pase oswa egal a 0.030 0.25–0.55 0.30–1.25 Mwens pase oswa egal a 0.65
Q265GNH Mwens pase oswa egal a 0.14 0.20–0.50 0.40–0.80 0.060–0.120 Mwens pase oswa egal a 0.030 0.25–0.55 0.30–1.25 Mwens pase oswa egal a 0.65
Q295NH Mwens pase oswa egal a 0.13 0.20–0.50 0.50–1.00 0.060–0.120 Mwens pase oswa egal a 0.030 0.25–0.55 0.30–1.25 Mwens pase oswa egal a 0.65
Q295GNH Mwens pase oswa egal a 0.13 0.20–0.50 0.50–1.00 0.060–0.120 Mwens pase oswa egal a 0.030 0.25–0.55 0.30–1.25 Mwens pase oswa egal a 0.65
Q310GNH Mwens pase oswa egal a 0.13 0.20–0.50 0.60–1.20 0.060–0.120 Mwens pase oswa egal a 0.030 0.25–0.55 0.30–1.25 Mwens pase oswa egal a 0.65
Q355NH Mwens pase oswa egal a 0.12 0.20–0.50 0.80–1.50 0.060–0.120 Mwens pase oswa egal a 0.030 0.25–0.55 0.30–1.25 Mwens pase oswa egal a 0.65
Q355GNH Mwens pase oswa egal a 0.12 0.20–0.50 0.80–1.50 0.060–0.120 Mwens pase oswa egal a 0.030 0.25–0.55 0.30–1.25 Mwens pase oswa egal a 0.65
Q415NH Mwens pase oswa egal a 0.12 0.20–0.50 0.90–1.60 Mwens pase oswa egal a 0.060 Mwens pase oswa egal a 0.030 0.25–0.55 0.40–1.25 Mwens pase oswa egal a 0.65
Q460NH Mwens pase oswa egal a 0.12 0.20–0.50 1.00–1.70 Mwens pase oswa egal a 0.060 Mwens pase oswa egal a 0.030 0.25–0.55 0.40–1.25 Mwens pase oswa egal a 0.65
Q500NH Mwens pase oswa egal a 0.12 0.20–0.50 1.20–1.80 Mwens pase oswa egal a 0.060 Mwens pase oswa egal a 0.030 0.25–0.55 0.40–1.25 Mwens pase oswa egal a 0.65
Q550NH Mwens pase oswa egal a 0.12 0.20–0.50 1.20–1.80 Mwens pase oswa egal a 0.060 Mwens pase oswa egal a 0.030 0.25–0.55 0.40–1.25 Mwens pase oswa egal a 0.65

 

Pwopriyete mekanik GB/T 4171 Weathering estriktirèl Steel pou pon

Klas Fòs Sede ReH (MPa) Fòs rupture Rm (MPa) Elongasyon A (%) Severite enpak
Q235NH Pi gran pase oswa egal a 235 360–500 Pi gran pase oswa egal a 26 20 degre Pi gran pase oswa egal a 27J
Q265GNH Pi gran pase oswa egal a 265 400–520 Pi gran pase oswa egal a 25 20 degre Pi gran pase oswa egal a 27J
Q295NH Pi gran pase oswa egal a 295 420–540 Pi gran pase oswa egal a 24 20 degre Pi gran pase oswa egal a 27J
Q295GNH Pi gran pase oswa egal a 295 420–540 Pi gran pase oswa egal a 24 20 degre Pi gran pase oswa egal a 27J
Q310GNH Pi gran pase oswa egal a 310 440–570 Pi gran pase oswa egal a 23 20 degre Pi gran pase oswa egal a 27J
Q355NH Pi gran pase oswa egal a 355 490–630 Pi gran pase oswa egal a 22 20 degre Pi gran pase oswa egal a 27J
Q355GNH Pi gran pase oswa egal a 355 490–630 Pi gran pase oswa egal a 22 20 degre Pi gran pase oswa egal a 27J
Q415NH Pi gran pase oswa egal a 415 520–680 Pi gran pase oswa egal a 20 20 degre Pi gran pase oswa egal a 27J
Q460NH Pi gran pase oswa egal a 460 550–720 Pi gran pase oswa egal a 19 20 degre Pi gran pase oswa egal a 27J
Q500NH Pi gran pase oswa egal a 500 610–760 Pi gran pase oswa egal a 17 20 degre Pi gran pase oswa egal a 27J
Q550NH Pi gran pase oswa egal a 550 620–780 Pi gran pase oswa egal a 16 20 degre Pi gran pase oswa egal a 27J
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Klas ekivalan GB/T 4171 Weathering Steel

GB/T 4171 Klas EN Standard (Ewòp) ASTM (USA) JIS (Japon)
Q235NH S235J0W / S235J2W ASTM A242 SPA-H (ranje pi ba)
Q265GNH S275J0W ASTM A242 / A588 (ba) SPA-H
Q295NH S355J0WP (apeprè ba) ASTM A242 SPA-H
Q295GNH S355J0WP ASTM A588 Klas A SPA-H
Q310GNH S355J2W (koresponn ak pwòch) ASTM A588 Klas A SPA-H
Q355NH S355J0WP / S355J2W ASTM A588 Klas B SPA-H
Q355GNH S355J2W ASTM A588 Klas B SPA-H
Q415NH S420W (apeprè) ASTM A588 Klas B/C SPA-H (segondè fòs)
Q460NH S460W (apeprè) ASTM A588 Klas C SPA-H (segondè fòs)
Q500NH S500W (apeprè) ASTM A588 Klas K (fèmen) SPA-H modifye
Q550NH S550W (apeprè) ASTM A588 Klas K / A709 SPA-H modifye

 

 

Ka aplikasyon: Weathering Steel Bridges

Corten Steel Bridge

Thames Valley Parkway – North Branch - London, ON

Pwopriyetè: City of London

Dimansyon: konsepsyon, fabrikasyon, livrezon ak batiman

Corten Steel Bridge

Whirlpool Road Multi-Itilize Pathway Pedestrian Bridge - Niagara, ON

Pwopriyetè: Vil Niagara Falls

Dimansyon: konsepsyon, fabrikasyon, livrezon ak batiman

Weathering Steel Bridge

Rowntree Mills Park North Bridge & Pathway Reyabilitasyon - North York, ON

Pwopriyetè: Vil Toronto

Dimansyon: konsepsyon, fabrikasyon, livrezon ak batiman

Pon an asye degradasyon yo gen yon sik lavi zewo-kouvwi, ki non sèlman elimine emisyon VOC ki soti nan flite sou-sou sit, men tou, diminye delè konstriksyon sipèstrikti pon ou an pa plis pase 20% lè yo sote pwosesis kouch la nèt.

 

Kontakte nou jodi a pou jwenn konsepsyon konplè a ak plan konstriksyon rapid pou kouch-pon asye gratis!

Kontakte kounye a pou jwenn sitasyon an Corten Steel Bridge

 

GNEE Steel opere sant tretman lou{0}}konplètman ekipe pou ofri yon seri sèvis konplè pou jeni pon asye dezagregasyon:

 

Koupe presizyon ak bizote:

Gwo -koupe lazè pouvwa, koupe plasma CNC, ak koupe flanm dife (espesyalman optimize pou gwo -plak lou ki gen fòs jiska 50mm +). Nou bay gwo -pwosesis groove presizyon (V, X, Y kalite) asire yon anfòm pafè pou asanble pon ki vin apre.

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Sifas pre-tretman:

Avanse piki otomatik eksplozif (reyalize estanda pwòpte Sa2.5/Sa3.0) pou retire konplètman echèl moulen. Nou tou bay ekolojik-tretman akselere chimik akselere tretman pou ede fòme yon inifòm, kouch pwoteksyon dans pwoteksyon rouye (Fe3O4) nan jou, anpeche bonè-tach rouye sou waf yo.

 

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Fòmasyon lou ak nivelman:

Gwo -tonaj koube CNC, nivelman plak (elimine estrès woule entèn), ak woule presizyon, pafètman ideyal pou U-ribye, travès bwat, ak konpozan estriktirèl pon koube.

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Korespondan soude ak sou{0}}asanble:

Faktori-kontwole otomatik sou-asanble ak sèvis soude ki itilize konsomasyon espesyalize soude move tan. Pwosesis nou yo estrikteman matche ak rezistans korozyon atmosferik la ak ba -tanperati enpak metal debaz la, ki konfòme ak estanda AWS, EN, ak enspeksyon twazyèm pati (SGS/BV).

 

Tan Plon Corten Steel Bridge

Estanda Estanda:

Yo kenbe envantè konstan pou espesifikasyon asye dezagregasyon pon komen (egzanp, Klas A588/SPA -H/Q355NH, epesè 6mm-40mm, lajè 1500mm/2000mm/2500mm).

 

Livrezon:Pwodwi yo ka trete, voye soti nan depo a, ak pare pou chajman nan 3 a 7 jou travay apre yo resevwa peman an davans oswa Lèt Kredi (L/C).

 

Espesifikasyon Customized / Espesyal:

Pwodiksyon orè lòd yo dwe mete dirèkteman ak moulen asye yo pou plak lou ki mande plis lajè (jiska 3500mm +), epesè siplemantè (50mm-100mm +), pèfòmans sevè Z-direksyon (Z15/Z25/Z35), oswa pwosesis espesyalize (egzanp, pre-konpozan eksplozif / soude).

 

Livrezon:Tan an plon se tipikman alantou 20 a 35 jou travay, tou depann de orè pwodiksyon faktori a ak volim pwojè.

 

Tès ak enspeksyon nandezagregasyon asye estriktirèl pou pon

MTC (Sètifika Tès Materyèl):

Bay sètifika tès materyèl konplè ki konfòm ak estanda EN 10204 3.1 oswa 3.2. MTC a kouvri konpozisyon chimik detaye (ki gen ladan eleman kle dezagregasyon tankou Cu, Cr, Ni, P) ak pwopriyete mekanik egzak (fòs sede, fòs rupture, elongasyon).

Tès Severite Enpak Tanperati ki ba-:

Enpòtan pou sekirite pon an, tès enèji enpak Charpy V-dan nan tanperati espesifik (pa egzanp, 0 degre , -20 degre , oswa -40 degre ) pou anpeche frajil ka zo kase nan klima frèt.

Tès ultrasons (UT):

Fè an akò ak estanda ASTM A435/A578 oswa EN 10160 pou plak pon lou pou detekte defo entèn, laminasyon, oswa vid, asire entegrite estriktirèl.

Z-Direksyon (Atravè-Epesè) Tès Tansyon:

Disponib sou demann (Z15/Z25/Z35) pou seksyon epè soude pou anpeche chire lamèl pandan fabwikasyon pon lou ak soude.

Endèks Kowozyon Atmosferik (I{0}}Valè) Verifikasyon:

Kalkile endèks kowozyon an asye move tan ki baze sou analiz chalè pou garanti pèfòmans alontèm alontèm ak anti-korozyon.

Twazyèm -Enspeksyon:

Twazyèm -enspeksyon (tankou SGS oswa Bureau Veritas) yo konplètman sipòte.

weathering structural steel for bridges
weathering structural steel for bridges
weathering structural steel for bridges
weathering structural steel for bridges
weathering structural steel for bridges
weathering structural steel for bridges