ABS Steels are types of structural steel which are standardized by the American Bureau of Shipping for use in shipbuilding.
Ordinarystrength ABS shipbuilding steel comes in a number of grades, A, B, D, E, DS, and CS. On certified steels,
the plates are marked with the grade and a preceding"AB/", e.g. AB/A etc.
Higher strength ABS shipbuilding steel comes in six grades of two strengths, AH32, DH32, EH32, AH36, DH36, and EH36.
ABS/AH36 shipbuilding steel Chemical Composition
Grade |
The Element Max (%) |
||||||
C |
Si |
Mn |
P |
S |
Al |
N |
|
AB/AH36 |
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 |
ABS/AH36 high strength property
Grade |
|
Mechanical Property |
Charpy V Impact Test |
||||
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
AB/AH36 |
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
t≤50 |
355 |
490-620 |
21% |
24 |
34 |
||
50<t≤70 |
355 |
490-620 |
21% |
27 |
41 |
||
70<t≤100 |
355 |
490-620 |
21% |
34 |
50 |
||
Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
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