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CCS AH32 CCS A32 Marine Steel Plates Supplier

Classification society:CCS China Classification Society

Sizes:3*20*20--35*250*250mm

8*75*100--25*150*200mm

Length:1000mm-12000mm

Heat Treatment:As rolled/Control-rolled/Hot rolled

What are CCS AH32 and CCS A32 marine steel plates?

GNEE Steel specializes in supplying CCS high-strength steel plate in CCS Grade AH32.CCS AH32 and CCS A32 marine steel plates are specifically designed for the rigorous demands of the shipping industry. These high-grade steel plates possess exceptional chemical composition, mechanical properties, and heat treatment states, making them suitable for various critical marine applications.
In terms of chemical composition, CCS AH32 and CCS A32 steels are alloyed with carbon, silicon, manganese, phosphorus, sulfur, chromium, molybdenum, nickel, and copper. The precise balance of these elements ensures excellent corrosion resistance, weldability, and toughness. The chromium and molybdenum content particularly contributes to the steel’s high strength and durability.

The mechanical properties of these marine steel plates are noteworthy. CCS AH32 and CCS A32 steels exhibit high tensile strength, yield strength, and elongation, allowing them to withstand extreme loads and deformation. These properties are crucial for withstanding the forces encountered in rough seas and varying weather conditions.

Impact testing

Impact testing is a crucial aspect of ensuring the reliability of CCS AH32/CCS A32 steel plates. These tests evaluate the steel’s ability to withstand sudden loads or impacts, simulating real-world conditions. The steel plates typically demonstrate excellent impact resistance, ensuring the safety and integrity of marine structures.

Application

CCS AH32 and CCS A32 steel plates find extensive use in various marine applications. They are commonly employed in the construction of hulls, decks, and bulkheads, as well as in the fabrication of cranes, winches, and other shipboard equipment. Their high strength and corrosion resistance make them suitable for use in both freshwater and saltwater environments.

 

Specification Parameters
Basic Information

CCS/AH32 High-Strength Max Chemical Composition in Tempering and Quenching

Grade

C %

Si %

Mn %

P %

S %

AH32

0.180

0.10-0.35

0.700

0.035

0.035

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/AH32 high strength property in tempering and quenching

Grade

Thickness(mm)

Min Yield (Mpa)

Tensile(MPa)

Elongation (%)

Min Impact Energy

AH32

8mm-50mm

Min 315Mpa

440-590Mpa

22%

0

34J

51mm-70mm

Min 315Mpa

440-590Mpa

22%

0

38J

71mm-100mm

Min 315Mpa

440-590Mpa

22%

0

46J

The min impact energy is longitudinal energy

 

What is the equivalent steel grade of CCS AH32?

Equivalent steel grade of CCS/AH32

DNV

GL

LR

BV

RINA

NK

KR

ABS

NV A32

GL-A32

LR/AH32

BV/AH32

RI/A32

K A32

R A32

AB/A32

Service Support
CCS AH32 CCS A32 Marine Steel Plates Supplier

Additional Condition

UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), Q+T(Quenched and Tempered),Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.