A131grB
ASTM A131 ABS LR BV geade B shipbuilding steel,ABS/B,LR/B,BV/B
BBN steel offer ASTM A131 ABS LR BV geade B shipbuilding steel,ABS/B,LR/B,BV/B,as a shipbuilding steel plate.BBN steel is specialized in supplying A131 general strength steel plate in A131 Grade B For more information of Grade B Steel plate, please check them in following:
ASTM A131 ABS LR BV geade B shipbuilding steel,ABS/B,LR/B,BV/ general Strength Chemical Composition:
>A131 Grade B general Strength Chemical Composition |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
C+Mn/6 |
|
A131 Grade B |
0.21 |
0.35 |
0.80 |
0.035 |
0.035 |
0.40 |
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 ABS LR BV geade B shipbuilding steel,ABS/B,LR/B,BV/B high strength property:
A131 Grade B high strength property |
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Grade |
|
Mechanical Property |
Charpy V Impact Test |
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Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
A131 Grade B |
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
t≤50 |
235 |
400-520 |
21% |
14 |
20 |
||
50<t≤70 |
235 |
400-520 |
21% |
17 |
25 |
||
70<t≤100 |
235 |
400-520 |
21% |
20 |
30 |
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Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |