Sep 09, 2025 Leave a message

What is ASTM A131 Grade FH36 Shipbuilding Steel Plate

ASTM A131 FH36 steel plate, FH36 steel is a kind of steel for shipbuilding and platform.Shipbuilding steel plate FH36 is the high tensile strength steel.As a professional shipbuilding steel plate exporter, GNEE can supply steel plate FH36. ASTM A 131 FH36 shipbuilding steel plates can be used in the manufacture of the ship's hull structure whose weight is below 10000 tons.

 

FH36 Shipbuilding steel plate specification:
Thickness:4 mm to 260mm,
Width: 1200mm to 4000mm,
Length: 3000mm to 18000mm.

 

ASTM A131 Grade FH36 Shipbuilding Steel Plate Chemical Composition and Mechanical Property

 

A131 FH36 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

A131 FH36

0.16

0.1-0.50

0.90-1.6

0.025

0.025

0.015

0.009

Nb

V

Ti

Cu

Cr

Ni

Mo

0.02-0.05

0.05-0.10

0.02

0.35

0.2

0.4

0.08

 

A131 FH36 high strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131 FH36

mm

Min Mpa

Mpa

Min %

-60

J

J

t≤50

355

490-620

22%

17

25

50<t≤70

355

490-620

22%

-

-

70<t≤100

355

490-620

22%

-

-

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

 

Equivalent steel grade of A131 FH36

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV F36

GL-F36

LR/FH36

BV/FH36

CCS/F36

K F36

R F36

RI/F36

 

ASTM A131 Grade FH36 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 FH36 Shipbuilding Steel Plate Other Name

 

ASTM A131 Grade FH36 Shipbuilding steel plate, ASTM A131 Grade FH36 Ship steel plate, ASTM A131 Grade FH36 Marine steel plate, ASTM A131 Grade FH36 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 A131GrFH36 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

 

Get a quote

 

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

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

/

 

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