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KR GRADE B, KR Gr B STEEL PLATE
Gangsteel is specialized in supplying KR general strength steel plate in KR Grade R B. For more information of Grade R B steel plate, please check them in following:
|
KR/R B general Strength Chemical Composition |
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
AL |
|
|
KR/R B |
0.21 |
0.35 |
0.8 |
0.035 |
0.035 |
|
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】%
|
KR/R B general 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 |
|
|
KR/R B |
mm |
Min Mpa |
Mpa |
Min % |
0 |
|
- |
|
t≤50 |
235 |
400-520 |
22 |
27 |
20 |
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|
50＜t≤70 |
34 |
24 |
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|
70＜t≤100 |
41 |
27 |
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|
Note: Energy 1 is longitudinal impact test, Energy 2 is transverse |
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Boiler steel plates | Alloy steel plates | High strength plate| Carbon steel plate | Stainless steel plate
|
Equivalent steel grade of KR/R B |
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|
NV B |
GL B |
LR/B |
BV/B |
CCS/B |
K B |
R B |
RI/B |
If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
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