CCS E steel plates are specialized materials designed for use in shipbuilding, offering a unique combination of chemical composition, mechanical properties, and heat treatment characteristics. These plates are renowned for their durability and performance in marine environments, making them a critical component in the construction of ships and other marine vessels.
CCS E Normal Strength Max Chemical Composition in Hot-rolled
|
Element |
CCS E Max % |
Element |
CCS E Max % |
|
C |
0.21 |
Ni |
|
|
Mn |
0.60 |
Mo |
|
|
Si |
0.1-0.35 |
Al |
|
|
S |
0.035 |
Nb |
|
|
P |
0.035 |
V |
|
|
Cu |
|
Ti |
|
|
Cr |
|
N |
|
Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
CCS E Normal strength property in Hot-rolled
|
Grade |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
|
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
|
|
|
|
|
|
-20 degree |
|
|
CCS E |
8-240 |
235 |
400-520 |
22 |
27J |
Regarding heat treatment, CCS E steel plates are typically subjected to controlled processes such as normalizing or quenching and tempering to achieve desired mechanical properties. These treatments enhance the steel's microstructure, improving its overall performance.
Impact testing is a crucial aspect of the quality control process for CCS E steel plates. These tests assess the material's ability to withstand sudden loads or impacts, simulating conditions that may occur during shipping or in extreme weather conditions. The results of these tests ensure that the steel plates meet strict safety standards.
CCS E steel plates find widespread application in the construction of hulls, decks, and other structural components of ships. Their superior corrosion resistance and mechanical properties make them ideal for use in both fresh and saltwater environments. Additionally, these plates are commonly used in the repair and maintenance of existing ships, extending their service life and improving safety.
