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Grade D Shipbuilding steel plate

Shipbuilding steel Grade D is a common tensile strength steel . ASTM A 131 Grade D steel plate is usual for shipbuilding and oil platform purpose.D shipbuilding steel is the Hull structural steel which with a good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties.The shipbuilding steel grade D is mainly used in the manufacture of the ship's hull structure whose weight is below 10000 tons,and usually do navigation around coastal and river area.

Grade D Shipbuilding steel plate specification:
Thickness: 4mm to 260mm,
Width: 1200mm to 4000mm
Length: 3000mm to 18000mm.

Grade D steel plate Chemical Composition


Grade

C max

Si max

Mn

P max

S max

Als min

Grade D

0.21

0.35

 0.60-1.20

0.035

0.035

0.015

Note: CE: C+1/6Mn ≤ 0.40% Cu ≤ 0.35%,Ni ≤ 0.30%≤

Grade D steel plate Mechanical Property


Grade

Rm
(MPa)

Re(MPa) min

A% min

Akv/J min

Grade D

400-520

235

22

E.T °C

Thickness (mm)

-20

50

>50-70

>70-100

L

C

L

C

L

C

27

20

34

24

41

27

 Note: In the list , Rm: .tensile strength,Re: Yield strength,A%: elongation, E.T: experimental temperature,L: lengthways, C: crosswise.

Grade D steel plate Condition Of Delivery


Grade

category

The thickness of steel

≤ 12

>12.5-25

>25-35

>35-50

>50-100

Grade D

Plate/sheet

A(50)

N(50)
CR(50)
TM(50)

N(50)
TM(50)
CR(25)

Profile steel

N(50)
CR(50)
TM(50)
AR*(25)

-

Note: 1. delivery condition: A =Any ; N=Normalized ; CR=Control Rolled ; TM=TMPC, Temperature - deformation control rolling; AR*= Can be hot rolled with the agreement of Classification Society ; CR*=Can be control rolled with the agreement of Classification Society .
2.  The Figure in the ( ) means the sampling volume to do the impact test, the unit is Ton.(-) means without impact test.

Grade D steel plate Contrast in the different standard


ASTM A131M

TOCT 5521

JIS G3106

BS LR

GB712

Grade D

GradeD

SM400B
SM400C

Grade D

Grade D

Grade D shipbuilding steel is offered by bebon , we keep more than 10000 ton Grade D shipbuilding steel spot every month , any need in Grade D shipbuilding steel , please contact us!

 Contact:
Tell: 0086-371-86151827, 0086-371-86011881
E-mail:sales4@bebonchina.com


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