Products
LR DH 69

LR DH 69 steel grade.

 

 

LR DH 69 steel grade shall be killed and find grain treated. Steel grade of strength levels up to and including 500Mpa should be supplied in Normalized, TM or QT condition. Steel grade of strength levels above 500Mpa shall be supplied in TM or QT delivery condition.

 

 

Gangsteel is specialized in Super thickness steel grade. We have much experience in manufacture and exporting extra high strength steel grade.

 

For more information in LR DH 69 steel grade, please refer to the following:

LR DH 69 Chemical composition heat analysis

Element

LR DH 69  Max %

C

0.20

Mn

1.70

Si

0.55

S

0.030

P

0.030

N

0.020

Other alloy elements should be along with GL Society Classification requirement.

           

 

 

 

LR DH 69 Mechanical properties,            longitudinal min impact energy

Grade

Thickness

Yield Strength

Tensile Strength

Elongation

Impact Energy

(mm)

MPa (min)

MPa

% (min)

(KV J) (min)

 

 

 

 

-20 degree

LR DH 69

8-260

690

770-940

14

46J

Note: the impact energy under less 150mm thickness

 

 

Related Grade: NV D690 | BV D420