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GL D550 STEEL PLATE
Gangsteel is specialized in supplying GL extra high strength steel plate in GL Grade D550. For more information of Grade D550 steel plate, please check them in following:
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GL D550 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 |
|
|
GL D550 |
0.20 |
0.55 |
1.70 |
0.030 |
0.030 |
0.015 |
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】%
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GL D550 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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|
GL D550 |
Min Mpa |
Mpa |
Min % |
-20 |
J |
J |
|
550 |
670-830 |
16% |
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 D550 |
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NV D550 |
GL D550 |
LR/DH55 |
BV/D550 |
CCS/D550 |
K D56 |
R D56 |
RI/D550 |
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