GB/T1591 Q390D low-alloy high-strength steel steel plate ...
2021-9-1u2002·u2002GB/T1591 Q390D steel is a low-alloy high-strength steel. It has good comprehensive mechanical properties, good weldability, cold and hot workability and corrosion resistance. These grade Q390C, D, E grade steel has good low temperature toughness.
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