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This week, the market price of hot rolled steel in Shanghai has risen sharply. The mainstream quotation of 1500mm carbon steel coil is 4140-4160 yuan / ton, and...
Recently, the World Steel Association released the estimated global crude steel production in September.According to the report of 64 countries, the world crude...
What is the difference between AISI 4140 steel and 27SiMn material?
AISI 4140 steel is alloy structural steel, with high strength and toughness, good hardenabil...
What is the difference between Q550D steel plate and Q345B steel plate?
Q550D steel plate and Q345B steel plate are two kinds of low alloy high strength steel w...
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....
