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steel plate for bridge

Bridge steel plates are used to build railroad bridges, highway bridges, cross-sea bridges and so on. It is required to have high strength, toughness and to bear the load and impact of rolling stock, and to have good fatigue resistance, certain low-temperature toughness and atmospheric corrosion resistance. Tethered welding bridge steel should also have good welding performance and low notch sensitivity.

steel plate for bridge description

Bridge steel plate is a thick steel plate specially used for manufacturing bridge structural parts. It is made of carbon steel and low-alloy steel for bridge construction. Carbon steel for bridge construction includes A3q for riveting bridge structures and 16q for welding bridge structures; Low alloy steels for bridge structures include 12Mnq, 12MnVq, 15MnVNq, 16Mnq, etc. The thickness of the bridge steel plate is 4.5-50 mm.Steel plate girder bridges are a suitable bridge choice to support a variety of roadway structures, including railroad and highway traffic, so it is not surprising that they have been one of the most commonly used bridge types since the late 19th century. Steel plate girder bridges are typically used in the 100-foot to 400-foot span range. Steel plate girders consist of top and bottom flange plates that are welded to a thinner web by fillet welds. The webs will be reinforced or unreinforced.

steel plate for bridge chemical composition

ASTM A283 Grade A0.140.15-0.400.90.0350.040.2
ASTM A283 Grade B0.170.15-0.400.90.0350.040.2
ASTM A283 Grade C0.240.15-0.400.90.0350.040.2
ASTM A283 Grade D0.270.15-0.400.90.0350.040.2

steel plate for bridge physical properties

GradeYield Strength (MPa)Ultimate Tensile Strength (MPa)Elongation at Break (%)
ASTM A283 Grade A165310 - 41527
ASTM A283 Grade B185345 - 45025
ASTM A283 Grade C205380 - 51522
ASTM A283 Grade D230415 - 55020

Steel plate for bridge specification


Steel plate for bridge




A53, A283-D, A135-A, A53-A, A106-A, A179-C, A214-C, A192, A226, A315-B, A53-B, A106-B, A178-C, A210-A-1, A210-C, A333-1.6, A333-7.9, A333-3.4, A333-8, A334-8, A335-P1, A369-FP1, A250-T1, A209-T1, A335-P2, A369-FP2, A199-T11, A213-T11, A335-P22, A369-FP22, A199-T22, A213-T22, A213-T5, A335-P9, A369-FP9, A199-T9, A213-T9, 523M15, En46, 150M28, 150M19, 527A19, 530A30, etc.



Length: 1m-12m, or as required

Width: 0.6m-3m, or as required

Thickness: 0.1mm-300mm, or as required


Clean, blasting and painting according to customer requirement.


Thick steel plates used to manufacture bridge structural components are used to build railway bridges, highway bridges, and sea-crossing bridges. It is required to have high strength, toughness and bear the load and impact of rolling stock, and have good fatigue resistance, certain low temperature toughness and atmospheric corrosion resistance. The steel for tie-welding bridges should also have good welding performance and low notch sensitivity.


Standard export package, or as required.

Price term

Ex-work, FOB, CIF, CFR, etc.


T/T, L/C, Western Union, etc.



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lndustries Served

Every industry has its unique set of material specifications and needs. That’s why you can count on the exceptional experience and industry knowledge of the professionals at Kuaima Steel - Meeting the Exact Needs of Every Industry That Uses steel.

  • Machinery manufac- turing industry
  • Power Generation
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  • Manufacturing
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  • Ship Building
  • Automobile manufacturing
  • Pipe Fabrication

Our main export country

We are a well known worldwide exporter of steel plate for bridge, Ireland, Portugal, Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Italy, Libya, Romania, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Philippines, Ghana, Slovakia, Germany, Saudi Arabia, Afghanistan, China, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece, Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus, Finland, Gabon, Iran, Canada, Argentina, Lebanon.

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