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ASTM A131 Grade D Steel Plate

Steel Standard:ASTM A131/A131M

Rolling Type:Shipbuilding steel plate,Platform steel plate

Thickness:3mm-300mm

Width:1500mm-4200mm

Length:3000mm-18000mm

Heat Treatment:As Rolled/Control-rolled/TMCP/Normalised

What is ASTM A131 Grade D Steel Plate?

Shipbuilding steel is used to make ships and large inland hull structurals. The hull structure is usually made by welding, so the ASTM A131 grade D carbon ship steel plate is needed, as it has good welding performance.

In addition, ASTM A131 grade D carbon ship steel plate and other A131 steel sheets also need a certain degree of strength and toughness, low temperature and corrosion resistance. ASTM A131 grade D shipbuilding steel has great strength and can be used for manufacture of fishing vessels, marine carriers, offshore oil platforms, etc.

 

Advantages of ASTM A131 D Shipbuilding Steel Plate

ASTM A131 D shipbuilding steel plate offers several advantages, making it a popular choice for ship construction. Some of the key advantages of ASTM A131 D shipbuilding steel plate include:

  • High strength and durability
  • Excellent weldability
  • Corrosion resistance

 

Characteristics of ASTM A131 D Shipbuilding Steel Plate

ASTM A131 D Shipbuilding Steel Plate is a type of structural steel that is commonly used in the construction of ships and marine vessels. This steel plate is known for its high strength, good toughness, and excellent weldability, making it ideal for use in the harsh marine environment. It has a minimum yield strength of 34,000 psi and a minimum tensile strength of 58,000-71,000 psi, ensuring that it can withstand the heavy loads and extreme conditions that ships face at sea. Additionally, the ASTM A131 D Shipbuilding Steel Plate is corrosion-resistant and has good formability, making it a reliable and durable choice for shipbuilding applications.

ASTM A131 D shipbuilding steel plate is known for its unique characteristics that make it suitable for marine applications. Some of the key characteristics of ASTM A131 D shipbuilding steel plate include:

  • High tensile strength
  • Good formability
  • Impact resistance
Specification Parameters
Basic Information

A131 Grade D  general Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

C+Mn/6

A131 Grade D

0.21

0.10-0.35

0.60

0.035

0.035

0.40

Crack Sensitivity:  Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent:  Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%

 

A131 Grade D  high strength property

Grade

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131 Grade D

mm

Min Mpa

Mpa

Min  %

-20

J

J

t≤50

235

400-520

21%

14

20

50<t≤70

235

400-520

21%

17

25

70<t≤100

235

400-520

21%

20

30

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

 

Equivalent steel grade of A131 Grade D

DNV

GL

LR

BV

CCS

NK

KR

RINA

NV D

GL-D

LR/D

BV/D

CCS/D

K D

R D

RI/D

Service Support
ASTM A131 Grade D Steel Plate

Technical Requirements & Additional Services for A131 GrB 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,BV,DNV-GL,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