Exactly, CCS B steel plate uses more elements than CCS A steel plate in casting billet. Generally, CCS B steel plate contains aluminum, while CCS A steel plate has only five elements.
1: According to different steel plants, the difference is between 30-150
2: The performance of CCS A is slightly lower than that of other types of steel plates, with CCS B / C / D / E
3: CCS a has no impact, CCS B has normal temperature impact, CCS C has zero impact, CCS D has - 20 impact and CCS E has - 40 impact.
Then the CCS B steel plate and CCS A steel plate are ready, and the steel inspection department of the steel plant will take samples, and then do impact test, generally Roche hardness impact test, to test whether the performance of the steel plate meets the standard. CCS A steel plate is not sampled for impact test.
