ASTM A131 DH32 shipbuilding steel plate
ASTM A131 DH32 shipbuilding steel is not only the high tensile strength steel but also is the Hull structural steel. DH32 shipbuilding steel plate has good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and good welding properties.
Introduction
.Shipbuilding steel grade DH32 is used for shipbuilding and oil platform purpose and they are approved by ABS,DNV,GL,BV,LR,NK,RINA and other classification societies.What's more, DH32 shipbuilding steel plate can be used in manufacturing the ship's hull structure whose weight is below 10000 tons.
DH32 Shipbuilding steel plate specification:
Thickness: 4mm to 260mm,
Width: 1200mm to 4000mm
Length: 3000mm to 18000mm.
A131 DH32 Chemical Composition Max % for production analysis
A131 DH32 high Strength Chemical Composition |
|||||||
Grade |
The Element Max (%) |
||||||
C |
Si |
Mn |
P |
S |
Al |
N |
|
A131 DH32 |
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】%
A131 DH32 Mechanical Property:
A131 DH32 high strength property |
|||||||
Grade |
|
Mechanical Property |
Charpy V Impact Test |
||||
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
A131 DH32 |
mm |
Min Mpa |
Mpa |
Min % |
-20 |
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
In the field of bridges, DH32 steel plates can be used to manufacture main beams and bridge decks of large bridges;
In the field of ships, DH32 steel plates can be used to manufacture the outer shell and internal structure of ships;
In the automotive field, DH32 steel plates can be used to manufacture car body and chassis structures.
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Why Choos Us?
1. We have our own factory, complete quality management system, and can provide customized services.
2. Fifteen years of steel export experience, with own agents in Bangladesh, Turkey, Cameroon and other countries;
3. Product quality is guaranteed, and the ship plates are certified by nine major classification societies. Various testing and services can be provided, and third-party testing is accepted;
4. Professional after-sales service team to provide various services to our customers.
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