DH36 Shipbuilding Steel Plate is a high-strength structural steel used mainly in shipbuilding. It conforms to the ASTM A131/A131M standard. The "DH" denotes the grade, where "D" stands for high-strength and "H" indicates heat treatment. Equivalent grades include ABS DH36, LR DH36, and BV DH36.
ASTM A131 Grade DH36 Shipbuilding Steel Plate Chemical Composition and Mechanical Property
|
Grade |
C % |
Si % |
Mn % |
P % |
S % |
Al(acid soluble),min% |
Cb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
N |
|
ASTM A131 DH36 |
0.18 |
0.10-0.50 |
0.90-1.60 |
0.035 |
0.035 |
0.015 |
0.02-0.05 |
0.05-0.10 |
0.02 |
0.35 |
0.20 |
0.40 |
0.08 |
... |
|
Grade |
Yield Strength (Mpa) |
Tensile Strength |
Elongation in8 in.[200mm] |
Elongation in8 in.[200mm] |
Impact Energy |
Test Temperature(°C) |
|
ASTM A131 DH36 |
≥355 |
490-620 |
≥19 |
≥22 |
34 |
-20 |
|
Equivalent steel grade of A131 DH36 |
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|
DNV |
GL |
LR |
BV |
CCS |
NK |
KR |
RINA |
|
NV D36 |
GL-D36 |
LR/DH36 |
BV/DH36 |
CCS/D36 |
K D36 |
R D36 |
RI/D36 |
ASTM A131 Grade DH36 Shipbuilding Steel Plate Application
Hull Construction
A131 plates are primarily used in building the hull structure of ships, including bulk carriers, oil tankers, container ships, and general cargo vessels.
The steel's high tensile strength and impact resistance ensure structural integrity under heavy loads, strong waves, and dynamic marine conditions.
Decks and Superstructures
Applied in the fabrication of ship decks, superstructures, and bulkheads, A131 plates maintain stability and load-bearing capacity while resisting deformation.
Offshore Engineering Structures
A131 steel grades (such as AH36, DH36, and EH36) are also used in offshore platforms, drilling rigs, and floating production storage and offloading (FPSO) units.
Their ability to withstand low-temperature impact and harsh sea conditions makes them suitable for deep-sea oil and gas exploration projects.
Reinforcement and Safety Components
Utilized in critical parts of vessels, including keels, ribs, frames, and brackets, to provide additional strength and enhance the overall safety of ships.
ASTM A131 Grade DH36 Marine Steel Plates Other Name
ASTM A131 Grade DH36 Shipbuilding steel plate, ASTM A131 Grade DH36 Ship steel plate, ASTM A131 Grade DH36 Marine steel plate, ASTM A131 Grade DH36 steel plate .
Additional Condition
UT(Ultrasonic examination), AR(As Hot Rolled only), TMCP(Thermal Mechanical Control Processing), N(Normalized), 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.
Technical Requirements & Additional Services for A131GrDH36 steel plate
♦ High tension test
♦ Z-Test (Z15,Z25,Z35)
♦ Low temperature impacting test
♦ Ultrasonic test under ASTM A435,A577,A578
♦ Cetificated by ABS,LR,GL,BV,DNV,KR,NK,CCS,RINA
♦ Issued Orginal Mill test certificate under EN 10204 FORMAT 3.1/3.2
♦ Shot blasting and Painting,Cutting and welding as per end user's demands
If you want to learn about or purchase other ship plates from GNEE, you can send an email to info@gneesteels.com. We will be very happy to serve you.
Related steel grades
|
ASTM A131 Grade Supplier |
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|
Ordinary strength |
ASTM A131 Grade A |
ASTM A131 Grade B |
ASTM A131 Grade D |
ASTM A131 Grade E |
|
low - temperature toughness |
ASTM A131 Grade AH32 |
ASTM A131 Grade AH36 |
ASTM A131 Grade AH40 |
/ |
|
Medium - low temperature toughness |
ASTM A131 Grade DH32 |
ASTM A131 Grade DH36 |
ASTM A131 Grade DH40 |
/ |
|
Better low - temperature toughness |
ASTM A131 Grade EH32 |
ASTM A131 Grade EH36 |
ASTM A131 Grade EH40 |
/ |
|
Ultra - low temperature toughness |
ASTM A131 Grade FH32 |
ASTM A131 Grade FH36 |
ASTM A131 Grade FH40 |
/ |
