Gangsteel is specialized in supplying RINA high strength steel plate in RINA Grade DH40. For more information of Grade DH40 steel plate, please check them in following:

RI/DH40 high Strength Max Chemical Composition in Tempering and Quenching

 

Element

RINADH40 Max %

Element

RINADH40 Max %

C

0.18

Ni

0.40

Mn

0.90-1.60

Mo

0.08

Si

0.50

Al

0.015 min

S

0.035

Nb

0.20-0.05

P

0.035

V

0.05-0.10

Cu

0.35

Ti

0.02

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】%

 

RI/DH40 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

RINADH40

8-240

390

510-650

20

41J

Note: the impact energy under less 50mm thickness; longitudinal min impact energy

 

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

 

 

 

Equivalent steel grade of RI/DH40

DNV

GL

LR

BV

CCS

NK

KR

ABS

NV D40

GL-D40

LR/DH40

BV/DH40

CCS/D40

K D40

R D40

AB/D40

 

 

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

 

The related steel grade: RI/AH40,   RI/EH40,   RI/FH40

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