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Gangsteel is specialized in supplying RINA extra high strength steel plate in RINA Grade F420. For more information of Grade F420 steel plate, please check them in following:
RI/F420 extra high Strength Chemical Composition in Tempering and Quenching
Element |
RINA F420 Max % |
Element |
RINA F420 Max % |
C |
0.18 |
Ni |
2.0 |
Mn |
1.60 |
Mo |
1.0 |
Si |
0.10-0.55 |
Al |
0.015 min |
S |
0.025 |
Nb |
0.06 |
P |
0.020 |
V |
0.10 |
Cu |
1.5 |
Ti |
0.20 |
Cr |
2.0 |
N |
0.020 |
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】%
RI/F420 extra high strength property in Tempering and Quenching
Grade |
Thickness |
Yield Strength |
Tensile Strength |
Elongation |
Impact Energy |
(mm) |
MPa (min) |
MPa |
% (min) |
(KV J) (min) |
|
|
|
|
|
-60 degree |
|
8-260 |
420 |
530-680 |
18 |
28J |
Note: the impact energy under less 150mm thickness; longitudinal min impact energy
Boiler steel plates| Alloy steel plates| High strength plate| Carbon steel plate| Stainless steel plate
Equivalent steel grade of RI/F420 |
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If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
The related steel grade: RI/A420, RI/D420, RI/E420
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