Q235B Q345B Q345B C materials iron plate Steel plate

What is material Q345B equivalent ASTM steel China A36 Ss400 Q235B Q345b S235jr S355 Steel H Beam Q235B Q345B Q345B C materials iron plate Steel plate

Building Material, H Beam, Steel Structure manufacturer / supplier in China, offering A36 Ss400 Q235B Q345b S235jr S355 Steel H Beam, Stainless Checkered Metal Mild Steel Plate 410 420 430, Building Material Stainless Steel Checkered Plate 304 and so on.

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