Follow us:-

DH40 Shipbuilding steel plate

  • 73 Views
  • 10-Jul-2024

ASTM A131 DH40 steel plate is a kind of steel for shipbuilding and platform.Shipbuilding steel plate DH40 is the high tensile strength steel. As a professional shipbuilding steel plate exporter, Bebon international can supply steel plate DH40. ASTM A 131 DH40 shipbuilding steel plates can be used in the manufacture of the ship's hull structure whose weight is below 10000 tons.

DH40 Shipbuilding Steel Specification:
Thickness: 4 mm to 260mm,
Width: 1200mm to 4000mm
Length: 3000mm to 18000mm.

marine steel plate supplier

DH40 steel plate Chemical Composition %


Grade

C max

Si max

Mn

P max

S max

Als min

Ti max

Cu max

Cr
max

Ni
max

Mo
max

Nb

V

DH40

0.18

0.50

0.90-1.60

0.035

0.035

0.015

0.02

0.35

0.20

0.40

0.08

0.02-0.05

0.05-0.10

Note: Generally speaking CE will be 0.40%. If the delivery condition is TMPC, the CE will be : ≤ 0.40% (thickness ≤ 50mm). Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.

DH40 steel plate Mechanical Property


Grade

Rm
(MPa)

Re(MPa) min

A% min

Akv/J min

DH40

510-660

390

20

E.T °C

Thickness (mm)

0

50

>50-70

>70-100

L

C

L

C

L

C

41

27

-

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

DH40 steel plate Condition Of Delivery


Grade

Fine grains elements

category

The thickness of steel

≤ 12

>12.5-20

>20-25

>25-35

>35-50

>50-100

DH40

any

Plate/
sheet

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

-

Profile steel

Note: 1. DH40 Shipbuilding steel 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 brackets means the sampling volume to do the impact test, the unit is Ton.(-) means without impact test.

Related Post

ISO 3183 L320 / X46 PSL1 LSAW pipeline

ISO 3183 L320/X46 PSL1 LSAW pipeline divides seamless steel pipe and welded steel pipe, good yield strength and tensile strength, ISO 3183 L320/X46 PSL1 LSAW pipeline widely used in natural gas pipe, tubing, water pipes, steel structure, chemical industry, air conditioning, heat pipe, urban construction pipe.

GB/T 699 30# round bar

GB/T 699 30# carbon steel is a low carbon steel at chinese standard. GB/T 699 30# carbon steel, usually needs to do normalizing treatment, or quenching and tempering treatment, to get good properties and machinability. For GB/T 699 30# carbon steel,w

GL DH36 shipbuilding steel plate

GL DH36 shipbuilding steel plate is a kind of high tensile strength marine steel. Higher-strength GL shipbuilding steel comes in 12 grades of 3 strengths, GL DH36 shipbuilding steel plate is one of the grades. As with other grades of steel, they have a

GL DH40 shipbuilding steel plate

GL DH40 shipbuilding steel plate are mainly used to build vessels which are sailing in low temperature oceans.When rolling GL DH40 shipbuilding steel plate, TMCP or Normalized shall be done for heat treatment,and low temperature impacting test have to be