SM490A is the industrial standard of Japan (international brand), belongs to the welding structure of steel, suitable for construction, bridges, ships, vehicles, engineering machinery and other requirements of good welding performance of structural parts. Q345B is the brand of Chinese industry standard. They all belong to hot-rolled carbon low alloy structural steels. They are generally considered equal.
SM490A Plate Size:
Thickness: 4mm- 400mm;
Width: 1000mm- 4000mm;
Length: 4000mm- 12000mm.
SM490A Surface Treatment:
Heat treatment Normalizing,Annealing,Tempering,Quenching,Hardening and tempering,Seasoning,Surface hardening,Carburizing.
Shanghai Katalor Enterprises Co., Ltd. is the most competitive manufacture and supplier of JIS G 3106 SM490A Welded Structural Steel Plate in China. For more details, please contact us freely.