According to the minimum yield point,the strength level for shipbuilding steel grades are divided into general strength structure steel and high strength structure steel. ASTM A131 Grade A, B, C and D Steel machining parts is fabricated by the general strength steel material. The classification society for ASTM A131 Grade A, B, C and D steel work can be ABS, LR, DNV, BV, GL, CSS etc. The Grade A, B, C and D Steel Work usually is used in the manufacturing of the hull structure of the ship.
|
ASTM A131 |
% max |
||||
|
C |
Si |
Mn |
P |
S |
|
|
GR. A |
0.21 |
0.50 |
2.5×C |
0.035 |
0.035 |
|
GR. B |
0.21 |
0.35 |
0.60 |
0.035 |
0.035 |
|
GR. C |
0.21 |
0.10~0.35 |
0.60 |
0.035 |
0.035 |
|
GR. D |
0.18 |
0.10~0.35 |
0.70 |
0.035 |
0.035 |
|
Grade |
Yield strength MPa |
Tensile strength MPa |
Elongation Min,% |
|
|
200mm |
50mm |
|||
|
ASTM A131 A,B,C,D |
400~520 |
235min |
21 |
24 |
Different packaging of ASTM A131 Grade A, B, C and D Steel Structure are made in accordance with national requirements.
Thickness: 6mm-60mm
Width: 1500mm~4500mm
Length: 5000mm-15000mm
We can supply both the steel plates and steel works for ASTM A131 Grade A, B, C and D. The dimension for Steel machining parts can be customized according to your drawing and requirement. And Katalor can offer cutting, bending, drilling and welding service for you.
