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Gangsteel is specialized in supplying KR extra strength steel plate in KR Grade R D70. For more information of Grade R D70 steel plate, please check them in following:
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KR/R D70high Strength Chemical Composition |
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
0.20 |
0.55 |
1.70 |
0.030 |
0.030 |
- |
0.020 |
|
|
Nb |
V |
B |
Cu |
Cr |
Ni |
Mo |
|
|
- |
0.10 |
0.006 |
0.50 |
1.20 |
- |
0.60 |
|
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 D70 extra strength property |
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|
Grade |
Mechanical Property |
Charpy V Impact Test |
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|
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
|
Min Mpa |
Mpa |
Min % |
-20 |
69 |
46 |
|
|
690 |
770-940 |
14 |
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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
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Equivalent steel grade of KR/R D70 |
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|
RI/D70 |
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If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes
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