Q345NQR2 hot rolled bridge steel chemistry delivered to Iran

Q345NQR2 hot rolled bridge steel chemistry delivered to Iran

Q345NQR2 hot rolled bridge steel chemistry delivered to Iran
  • Comments: 45# steel is high-quality carbon structural steel with low hardness and easy cutting. After quenching and tempering, the parts have good comprehensive mechanical properties. 45# steel is widely used in motorcycles and automobiles, especially those connect

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