ASTM A131 AH32 Shipbuilding steel plate

ASTM A131 AH32 Shipbuilding steel plate

The shipbuilding steel plate grade AH32 is the high tensile strength steel. Ah32 shipbuilding steel has good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties. ASTM A131 Ah32 steel plate can be used in the manufacture of the ship's hull structure whose weight is more than 10000 tons.

Introduction

ASTM A131 AH32 Production Size: 

Thickness: 4mm- 200mm;
Width: 1000mm- 4000mm;
Length: 4000mm- 12000mm.

 

ASTM A131 AH32 Chemical Composition Max % for production analysis:

 

A131 AH32 high Strength Chemical Composition

Grade

The Element Max (%)

C

Si

Mn

P

S

Al

N

A131 AH32

0.18

0.1-0.50

0.90-1.6

0.035

0.035

>0.015

 

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

 

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】%

ASTM A131 AH32 Mechanical Property:

 

A131 AH32 high strength property

Grade

 

Mechanical Property

Charpy V Impact Test

Thickness

Yield

Tensile

Elongation

Degree

Energy 1

Energy 2

A131 AH32

mm

Min Mpa

Mpa

Min  %

0

J

J

t≤50

315

440-590

19%

34

24

50<t≤70

315

440-590

19%

 

 

70<t≤100

315

440-590

19%

 

 

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

 

Application

ASTM A131 AH32 Shipbuilding steel plateapplication: ASTM A131 AH32 shipbuilding steel plates and sheets are used to manufacture the hull structure of ocean going, coastal and inland navigation ships. Shipbuilding and offshore platform steel plate is required to have certain strength, toughness, low temperature and corrosion resistance, and good welding performance.

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