Gangsteel is specialized in supplying DNV extra high strength steel plate in DNV Grade F620. For more information of Grade F620 steel plate, please check them in following:

 

 

NV F620 extra high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

NV F620

0.18

0.10-0.55

1.6

0.025

0.025

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 F620 extra high general strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

NV F620

mm

Min Mpa

Mpa

Min  %

-60

J

J

t≤50

620

720-890

15%

41

62

50<t≤70

620

720-890

15%

41

62

70<t≤150

620

720-890

15%

41

62

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 F620

ABS

GL

LR

BV

CCS

NK

KR

RINA

AB/FQ63

GL-F620

LR/FH62

BV/F620

CCS/F620

K F63

R F63

RI/F620

 

 

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

Other steel grade NV E36, NV D40, NV E620 steel plate 

 

 

DNV Steel Plate Grade Supplier

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

 

 

 

 

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