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CCS AH36/CCS A36 Shipbuilding Steel Plates

The CCS AH36 and CCS A36 steel plates are premium-grade materials specifically designed for shipbuilding applications. These plates exhibit excellent chemical, mechanical, and impact properties, making them highly suitable for various marine structures.

What are CCS AH36 and CCS A36 steel plates?

The CCS AH36 and CCS A36 steel plates are premium-grade materials specifically designed for shipbuilding applications. These plates exhibit excellent chemical, mechanical, and impact properties, making them highly suitable for various marine structures.The chemical composition of CCS AH36 and CCS A36 steel plates is carefully balanced to ensure optimal performance. Both grades primarily consist of iron with added elements such as carbon, manganese, silicon, phosphorus, sulfur, nickel, chromium, molybdenum, copper, and vanadium. The precise ratios of these elements enhance the strength, durability, and corrosion resistance of the steel.

CCS AH36 and CCS A36 steel plates possess impressive mechanical properties. AH36 grade offers higher yield and tensile strengths compared to A36, making it suitable for more demanding applications. Both grades exhibit good ductility and toughness, allowing them to withstand significant loads and impact forces.

 

Heat Treatment State:

The steel plates undergo controlled heat treatment processes to achieve the desired mechanical properties. This typically involves normalizing or quenching and tempering, depending on the specific requirements of the application. These heat treatments ensure uniform microstructure and enhance the overall performance of the steel.

Dimensional Range:

CCS AH36 and CCS A36 steel plates are available in various thicknesses, widths, and lengths to cater to different shipbuilding needs. The plates can be customized to fit specific design requirements, ensuring efficient use of materials and optimized structural performance.

 

Impact Testing:

Impact testing is a crucial aspect of the quality control process for CCS AH36 and CCS A36 steel plates. This testing involves subjecting the plates to controlled impact forces to assess their ability to withstand low-temperature cracking. The plates must meet specific impact energy requirements to ensure their suitability for use in cold environments.

 

Main Application Scenarios:

CCS AH36 and CCS A36 steel plates are widely used in various shipbuilding applications. These include hull structures, decks, bulkheads, and other critical components that require high strength and durability. Their excellent corrosion resistance also makes them suitable for use in marine environments, where exposure to saltwater and other corrosive elements is inevitable.

Specification Parameters
Basic Information

CCS/AH36 High-Strength Chemical Composition

CCS/AH36 high Strength Chemical Composition in Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

CCS/AH36

0.18

0.1-0.50

0.90-1.6

0.035

0.035

0.015

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.05-0.10

0.02

0.35

0.2

0.4

0.08

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/AH36 high-strength property

CCS/AH36 high strength property in tempering and quenching

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

CCS/AH36

mm

Min Mpa

Mpa

Min  %

0

J

J

t≤50

355

490-620

21%

24

34

50<t≤70

355

490-620

21%

27

41

70<t≤100

355

490-620

21%

34

50

Note: Energy 1 is transverse impact test, Energy 2 is longitudinal

 

What is the equivalent steel grade of CCS/AH36?

Equivalent steel grade of CCS/AH36

DNV

GL

LR

BV

ABS

NK

KR

RINA

NV A36

GL-A36

LR/AH36

BV/AH36

ABS/A36

K A36

R A36

RI/A36

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CCS AH36/CCS A36 Shipbuilding Steel Plates