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                                   GL D690 STEEL PLATE

 

 

Gangsteel is specialized in supplying GL extra high strength steel plate in GL Grade D690. For more information of Grade D690 steel plate, please check them in following:

 

GL D690 extra High Strength Chemical Composition Tempering and Quenching

Grade

The Element Max (%)

C

Si

Mn

P

S

Al(min)

N

GL D690

0.20

0.55

1.70

0.030

0.030

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 D690 extra High strength property in Tempering and Quenching

Grade

Mechanical Property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

GL D690

Min Mpa

Mpa

Min  %

-20

J

J

690

770-940

14%

46

        69

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 D690

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV D690

GL D690

LR/DH69

BV/D690

CCS/D690

K D70

R D70

RI/D690

 

 

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