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ASTM A131 DH36 steel
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ASTM A131 DH36 steel

ASTM A131 DH36 steel

DH36 is high strength shipbuilding steel. Shipbuilding steel generally refers to the hull structure steel and it refers to the steel used in the manufacture of hull structure according to the requirements of classification society rules. Shipbuilding steel is often used as a special steel orders, production, sales, usually including ship plate and profile steel, etc.

ASTM A131 DH36 ship plate physical review:

Shipbuilding steel delivery, it shall have the manufacturer marks or other physical objects。 The detail is as below:

1,Approved by the classification society. The common classification societies are CCS,ABS,LR,BV, DNV,GL, NK,KR, RINA etc.

2,Using paint box or paste tag, Including technical parameters as:batch No, heat No, standard grade, length, width, thickness and so on.

3,Appearance is bright and clean smooth, without defects。

DH36 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
DH36 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 : ≤ 0.38% (thickness ≤ 50mm),≤0.40%( when the thickness >50-100). Ceq% =(C+Mn)/6+(Cr+Mo+V)/5+(Ni+Cu)/15.

DH36 steel plate Mechanical Property


Grade
Rm
(MPa)
Re(MPa) min A% min Akv/J min
DH36 490-630 355 21 E.T °C Thickness (mm)
-20 ≤ 50 >50-70 >70-100
L C L C L C
34 24 41 27 50 34

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

If you need DH36 ship plate or DH36 bulb flat, please contact with our company, Shanghai Katalor Enterprises Co., Ltd.

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