GL steel plate
GL-A420|GL Grade A420 STEEL PLATE
Gangsteel is specialized in supplying GL extra high strength steel plate in GL Grade A420. For more information of Grade A420 steel plate, please check them in following:
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GL-A420 extra High Strength Chemical Composition Tempering and Quenching |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Al(min) |
N |
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0.21 |
0.55 |
1.70 |
0.035 |
0.035 |
0.015 |
0.020 |
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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】%
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GL-A420 extra High strength property in Tempering and Quenching |
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Grade |
Mechanical Property |
Charpy V Impact Test |
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Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
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Min Mpa |
Mpa |
Min % |
0 |
J |
J |
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420 |
530-680 |
18% |
28 |
42 |
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Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
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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 GL-A420 |
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If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
The related steel grade:GL-D420, GL-E420, GL-F420
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