Gangsteel is specialized in supplying CCS extra high strength steel plate in CCS Grade D550. For more information of Grade D550 steel plate, please check them in following:

 

CCS/D550 extra high Strength Chemical Composition in Tempering and Quenching

 

Element

CCS D550  Max %

Element

CCS D550  Max %

C

0.20

Ni

0.40

Mn

1.70

Mo

0.08

Si

0.10-0.55

Al

0.020 min

S

0.030

Nb

0.20-0.05

P

0.030

V

0.05-0.10

Cu

0.35

Ti

0.0007-0.05

Cr

0.20

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/D550 extra high strength property in Tempering and Quenching

 

Grade

Thickness

Yield Strength

Tensile Strength

Elongation

Impact Energy

(mm)

MPa (min)

MPa

% (min)

(KV J) (min)

 

 

 

 

-20 degree

CCS D550

8-260

550

670-830

16

37J

Note: the impact energy under less 150mm thickness; longitudinal min impact energy

 

Boiler steel plates| Alloy steel plates| High strength plate| Carbon steel plate| Stainless steel plate

 

 

 

Equivalent steel grade of CCS/D550

DNV

GL

LR

BV

ABS

NK

KR

RINA

NV D550

GL-D550

LR/D550

BV/D550

ABS/D550

K D550

R D550

RI/D550

 

 

If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.

 

CCS Steel Plate Grade

General Strength

CCS/A

CCS/B

CCS/D

CCS/E

High Strength

CCS/A32

CCS/D32

CCS/E32

CCS/F32

CCS/A36

CCS/D36

CCS/E36

CCS/F36

CCS/A40

CCS/D40

CCS/E40

CCS/F40

Extra Strength

CCS/A420

CCS/D420

CCS/E420

CCS/F420

CCS/A460

CCS/D460

CCS/E460

CCS/F460

CCS/A500

CCS/D500

CCS/E500

CCS/F500

CCS/A550

CCS/D550

CCS/E550

CCS/F550

CCS/A620

CCS/D620

CCS/E620

CCS/F620

CCS/A690

CCS/D690

CCS/E690

CCS/F690

 

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