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High Strength Steel ASTM A36 Q235 Ss400 Q345b S235jr A992 A572 Wide Flange Low Carbon Channel Steel with Top Quality.

High Strength Steel ASTM A36 Q235 Ss400 Q345b S235jr A992 A572 Wide Flange Low Carbon Channel Steel with Top Quality.
SPECIFICATIONS FOR CHANNEL STEEL     INTRODUCTIONProductchannel steelStandardASTM,BS,GB,JIS,etc GradeSS400, ST37-2, A36,...

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