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Steel used in bridge construction

Bridge steel is a steel plate specially used for erecting railway or highway bridges. It is required to have high strength, toughness, bear the load and impact of locomotive and vehicle, and have good fatigue resistance, certain low-temperature toughness and atmospheric corrosion resistance. It is used for erecting railway bridges, highway bridges, sea crossing bridges, etc. It is required to have high strength, toughness, bear the load and impact of locomotive and vehicle, and have good fatigue resistance, certain low-temperature toughness and atmospheric corrosion resistance. The steel for bolted welded bridge should also have good welding performance and low notch sensitivity.
The mainly steel grade used in bridge building

A709 Grade 36

A709 Grade 50

A709 Grade 50S

A709 Grade 50W

A709 Grade HPS 50W

A709 Grade 250

A709 Grade 345

A709 Grade 345S

A709 Grade 345W

A709 Grade HPS 345W

A709 Grade HPS 70W

A709 Grade 100

A709 Grade 100W

A709 Grade HPS 100W

 

A709 Grade HPS 485W

A709 Grade 690

A709 Grade 690W

A709 Grade HPS 690W

 

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