GL steel plate
GL-A40|GL Grade AH40 STEEL PLATE
Gangsteel is specialized in supplying GL high strength steel plate in GL Grade AH40. For more information of Grade AH40 steel plate, please check them in following:
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GL-A40 high Strength Chemical Composition in Tempering and Quenching |
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Grade |
The Element Max (%) |
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C |
Si |
Mn |
P |
S |
Al |
N |
|
|
0.18 |
0.50 |
0.90-1.6 |
0.035 |
0.035 |
0.015 |
|
|
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
0.02-0.05 |
0.05-0.10 |
0.02 |
0.30 |
0.2 |
0.4 |
0.08 |
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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-A40 high strength property in tempering and quenching |
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Grade |
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Mechanical Property |
Charpy V Impact Test |
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Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
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|
mm |
Min Mpa |
Mpa |
Min % |
0 |
J |
J |
|
|
t≤50 |
390 |
510-660 |
20% |
27 |
41 |
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50＜t≤70 |
390 |
510-660 |
20% |
31 |
46 |
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70＜t≤100 |
390 |
510-660 |
20% |
37 |
55 |
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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-A40 |
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If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
The related steel grade: GL-D40, GL-E40, GL-F40
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