EQ70 shipbuilding steel plate,EQ70 steel chemical composition

Posted:12/8/2014 1:38:50 AM

EQ70 shipbuilding steel plate is a kind of extra high strength shipbuilding steel, it is mainly used to built hull of vessels, ship body construction and oil off shore platform.

EQ70 shipbuilding steel plate specification:
Length: 6000mm-12500mm, Thickness: 4mm-80mm, Wide: 1500mm-4500mm

EQ70 steel chemical composition%:

Grade

C max

Si

Mn

max

P max

S max

Als

N max

Nb max

V

max

Ti

max

B

max

EQ70

0.21

0.10-0.55

1.7

0.035

0.035

0.015-0.08

0.20

0.02-0.05

0.04-0.10

0.02

0.005

 

Grade

EQ70 steel mechanical property

Charpy V Impact Test

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

Min Mpa

Mpa

Min  %

-40

J

J

 

690

770-940

14

41

62

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

 

EQ70 steel equivalent material

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV E690

GL-E690

LR/EH69

BV/E690

CCS/E690

K E70

R E70

RI/E690

EQ70 shipbuilding steel plate application:
EQ70 shipbuilding steel plate is mainly used to shipbuilding project and ocean offshore structural project.

EQ70 shipbuilding steel plate additional condition :
UT(Ultrasonic examination), Q+T(Quenched and Tempered), Z Direction Test(Z15,Z25,Z35), Charpy V-Notch Impact Test, The Third Party Test (such as SGS Test), Coated or Shot Blasting and Painting.

As a professional EQ70 shipbuilding steel supplier, we promise we can offer you the qualified EQ70 shipbuilding steel and our EQ70 shipbuilding steel price is reasonable. If you need any further information about EQ70 shipbuilding steel chemical composition and EQ70 shipbuilding steel mechanical property,  please feel free to contact us.

Contact:
Tell: 0086-371-86151827, 0086-371-86011881
E-mail:[email protected]
Skype: bebon.abby

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  • Address:XICHENG SCIENCE & TECHNOLOGY BUILDING HIGH-TECH DEVELOPMENT ZONE, ZHENGZHOU, CHINA
  • Hotline:0086-371-86151827
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