CCS/D550 Steel Plate

CCS/D550 Steel Plate

CCS/D550 steel plate,CCS steel Plate DH550,CCS/D550|CCS GRADE D550,CCS DH550 STEEL PLATE Gnee steel 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...

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CCS/D550 steel plate,CCS steel Plate

DH550,CCS/D550|CCS GRADE D550,CCS DH550 STEEL PLATE

Gnee steel 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


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