35# carbon structural steel pipe has good plasticity and appropriate strength, good process performance and acceptable welding performance, and is mostly used in normalized and quenched and tempered states. […]

10# steel belongs to carbon structural steel, referred to as carbon structure steel, commonly known as excellent steel. […]

Q is the yield strength;
345 represents the yield strength value, in MPa;
E represents the grade (passed the -40 degree impact test); […]

Q345D seamless steel pipe Q345D is a material of steel pipe. Q represents the yield of this material, and the 345 behind it refers to the yield value of this material, which is around 345. And the yield value decreases as the thickness of the material inc […]

Compared with Q345A and Q345B steel, Q345C seamless pipe. The low temperature impact test temperature is low and the performance is good. The content of harmful substances P and S is lower than that of Q345A and B. The market price is higher than Q345A, B […]