What is Q690E steel material?
Steel grade Q690E is a kind of low-alloy high-strength steel. Q690E steel material is named after its yield strength value, Q is t...
What is the difference between Q345B material and Q420B steel?The chemical constituents of Q345B material and Q420B steel were different:
Chemical composition o...
What is the difference between Q420B and Q345 plate?First of all, both Q420B plate and Q345 plate belong to low-alloy high-strength steel plate, and are used fo...
What is the difference between Q345B material and Q345A steel?
Q345B material and Q345A steel are slightly different in chemical composition:
Q345A steel:C≤0....
What is the difference between 45# steel plate and Q345 steel plate?1. Different definitions
45# steel plate: 45# steel plate is called "Quality Steel" in the C...
What are the characteristics of low alloy structural steel?Low alloy structural steel refers to the steel containing a small amount of alloy elements, which is...
ASTM A709 grade 50 steel is a kind of structural steel for bridge, and it is also known as high strength low alloy steel. The min. ASTM A709 grade 50 yield stre...
Yesterday, the average price of 4.75mm ASTM A36 carbon steel coil in 24 major cities in China rose 17 yuan/ton from the previous trading day. Yesterday, the spo...