CCS A shipbuilding steel come 4 grades in ordinary-strength steel for shipbuilding and grade A is the lowest one of them.
The CCS A shipbuilding steel grade steel plates have yield strength of 34,100 psi (235 MPa), and ultimate tensile strength of 58,000 - 75,500 psi (400-520 MPa).
CCS A shipbuilding steel Chemical Composition:
| Grade | Chemical Composition (%) | |||||
| C≤ | Mn≥ | Si≤ | P≤ | S≤ | Mark | |
| CCS A | 0.21 | 2.5×C | 0.50 | 0.035 | 0.035 | CCS/A |
CCS A shipbuilding steel Mechanical Property:
| Grade | Mechanical Property | |||
| Tensile Strength(MPa) | Yield Strength(MPa) | % Elongation in 2 in.(50mm) min | Impacting Test Temperature (C) | |
| CCS A | 400-520 | 235 | 22 | 20 |
CCS Grade A Application:
CCS Grade A marine steel plates are used in manufacturing hull, maritime oil extraction drilling platform, platform tube junction and other structural components.
CCS Grade A Delivery States:
The delivery States of CCS Grade A steel plate is Pretreatment, CR or Normalizing.
CR (Controlled Rolling), N (Normalizing), TM, QT (Quenching and tempering) and other delivery states are available as customers’ requirement.
Tests:
CCS Grade A steel plate contains Tensile Tests and Impact Tests.
The UT (Ultrasonic Testing), the third party test, Z15, Z25, Z35 test and other tests are also available as customers` requirement.

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Address: Zhengzhou city in China.


