标签： Proprietary steel grade
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Material Grade Corresponding Supplier
Q345 material grade data, corresponding standard: GB/T 3524-2015, chemical composition (smelting analysis) should comply with the regulations of GB/T 1591.
Q345 material grade data, corresponding standard: GB/T 3524-2015, chemical composition (smelting analysis) should comply with the regulations of GB/T 1591.