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                                   GL F620 STEEL PLATE

 

 

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

 

GL F620 extra High Strength Chemical Composition Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al(min)

N

GL F620

0.18

0.55

1.60

0.025

0.020

0.015

0.020

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】%

 

 

 

GL F620 extra High strength property in Tempering and Quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

GL F620

Min Mpa

Mpa

Min  %

-60

J

J

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 GL F620

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV F620

GL F620

LR/FH62

BV/F620

CCS/F620

K F63

R F63

RI/F620

 

 

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