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NV D420|DNV D420 shipbuilding and offshore platform steel plate

2013年8月2日 by admin

 Gangsteel is specialized in supplying extra high strength steel plate in Grade D420 approved by DNV, ABS, RINA, LR, GL, BV, CCS, NK and KR.

 

For more information of DNV Grade D420 steel plate, please check them in following:

 

DNV Steel Plate Grade

General Strength

NV A

NV B

NV D

NV E

High Strength

NV A32

NV D32

NV E32

NV F32

NV A36

NV D36

NV E36

NV F36

NV A40

NV D40

NV E40

NV F40

Extra Strength

NV A420

NV D420

NV E420

NV F420

NV A460

NV D460

NV E460

NV F460

NV A500

NV D500

NV E500

NV F500

NV A550

NV D550

NV E550

NV F550

NV A620

NV D620

NV E620

NV F620

NV A690

NV D690

NV E690

NV F690

 

Our mill could produce size in the following:
Thickness: 6mm to 240mm,
Width: 1500mm to 4020mm

Length: 3000mm to 27000mm.


Steel Services: Cutting, Painting, Pretreatment, Ultrasonic Test, Third Party Inspection, and so on.

 

Gangsteel exported DNV D420 steel material directly from our mill in the competitive price from sales department. Each plate has the Mill Certificate Test EN10204 3.2 Version.

  

DNV GRADE D420 Chemical composition heat analysis:

NV D420 extra high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

NV D420

0.20

0.10-0.55

1.7

0.030

0.030

0.015-0.08

0.020

Nb

V

Ti

Cu

B

Ni

Mo

0.02-0.05

0.04-0.10

0.02

 

0.005

 

 

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%

 

NV D420 extra high general strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

NV D420

mm

Min Mpa

Mpa

Min  %

-20

J

J

t≤50

420

530-680

18%

28

42

50t≤70

420

530-680

18%

28

42

70t≤150

420

530-680

18%

28

42

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

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

 

Equivalent steel grade of NV D420

ABS

GL

LR

BV

CCS

NK

KR

RINA

AB/DQ43

GL-D420

LR/DH42

BV/D420

CCS/D420

K D43

R D43

RI/D420

 

To find more about shipbuilding steel plate, or inquiry from our gangsteel, please feel free to CLICK HERE to contact us.

 

 

 

 

 

Tags: DNV D420  NV D420  D420 steel grade  DNV Grade D420  D420 steel plate  

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