What are the precautions for Q345B seamless pipe procurement

Q345B seamless pipe is low alloy seamless steel pipe. Why should we pay attention to purchasing Q345B seamless pipe? The reason is that the material of Q345B seamless pipe is easy to be substituted.

Q345B seamless pipe, where Q is the yield point, and 345 represents the yield point, which is 345 MPa. B represents that the impact temperature is normal temperature.

In the process of purchasing, some businesses will use Q235B seamless pipe instead, and some will use 20# seamless pipe instead, so remind Q345B seamless pipe purchasing friends to pay attention.