Katalor steel now owning thousands tons stock of ship steel plate, such as ASTM A131 Grade A, A131 Grade B, A131 Grade D, A131 Grade E and higher ship steel grade A131 Grade AH40,A131 Grade DH40,A131 Grade EH40,A131 Grade FH40 and other steel grades.
Hot rolled shipbuilding steel plate A131 Grade DH40 is a higher steel grade among shipbuilding steel.As for the heat treatment for A131 Grade DH40,if the thickness above 12.5mm,the delivery condition must be Normalized or Normalized rolled or TMCP.As rolled is not allowed to delivery without the customer's special requirement.Heat treatment mark would be appear on our each steel plate as steel mark,such as Normalized would be marked as N,TMCP would be marked as TMCP which is short for Thermo-Mechanical Control Process.
A131 DH40 high strength property
|
Grade |
|
Mechanical Property |
Charpy V Impact Test |
||||
|
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
|
A131 DH40 |
mm |
Min Mpa |
Mpa |
Min % |
-20 |
J |
J |
|
t≤50 |
390 |
510-650 |
22% |
20 |
30 |
||
|
50＜t≤70 |
390 |
510-650 |
22% |
- |
- |
||
|
70＜t≤100 |
390 |
510-650 |
22% |
- |
- |
||
|
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
|||||||
A131 DH40 steel Chemical Composition
|
Grade |
C |
Si |
Mn (min) |
P |
S |
Cr |
Mo |
Ni |
Cu |
Cb |
V |
|
DH40 |
0.18 |
0.10/0.50 |
0.90/1.60 |
0.035 |
0.035 |
0.20 |
0.08 |
0.40 |
0.35 |
0.02/0.05 |
0.05/0.10 |
Shanghai Katalor Industry Co., Ltd supply high quality carbon steel plate for boiler and pressure vessel fabrication which is ideally suited to the high standards set by the oil, gas and petrochemical industry, with advanced technology and services, Please send your needed sizes and steel grades to us if you demand of stock of shipbuilding steel plate.
TEL:0086-21-61182423
Fax :0086-21-61182425
E-mail:info@katalor.com
Phone:0086-18317160019
