building q345b steel chemical composition

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building q345b steel chemical composition

GB/T1591 Q345B carbon and low alloy steel Chemical Composition:

Steel Standard Steel Grade Chemical Composition Chemical Composition Chemical Composition Steel Standard Steel Grade C≤ Mn Nb Q345 A 0.020 1.00~1.60 0.015~0.060 Q345 B 0.020 1.00~1.60 0.015~0.060 Q345 C 0.020 1.00~1.60 0.015~0.060 2 more rows Jan 20 2021GB/T1591 Q345B carbon and low alloy steel of China Suppliers - 160398545.

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