Q235 Carbon Mild Steel Q235A Q235B Q235C Q235D

Q235 Steel (Q235A Q235B Q235C Q235D) Q235 steel is a plain carbon structural steel which is widely used in China, Q235 material in Chinese standard GB/T 700 is divided into 4 quality grades: Q235A, Q...

40Cr Steel Equivalent, Mechanical Properties & Chemical Composition

40Cr Alloy Steel 40Cr steel is a kind of Chinese GB standard alloy steel for engineering and machinery purpose, and one of the most widely used steel grades. For 40Cr material hardness, specificati...

China 45# Steel Equivalent, Mechanical Properties & Chemical Composition

China 45 Steel Chinese GB standard 45 steel is a quality carbon structural steel, the cold plasticity is common. Annealing and normalizing are slightly better than quenching and tempering, and have...