The scientific name of CCS A marine steel plate is general strength hull structural steel (Class A). CCS A marine steel plate carbon C: ≤ 21% silicon Si: ≤ 0.50% manganese Mn: ≥ 2.5% C phosphorus P: ≤ 0.035% sulfur s: ≤ 0.035% ALS: -;
Q235A steel plate carbon C: ≤ 0.22% manganese Mn: ≤ 1.4% silicon Si: ≤ 0.35% sulfur s: ≤ 0.050 phosphorus P: ≤ 0.045
From the perspective of chemical composition, there is a difference between CCS A marine steel plate and Q235A steel plate. CCS A marine steel plate belongs to professional steel.
