Product List
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Fax: 0086-371-88884766
Email: admin@gangsteel.com
Skype: gangsteel001@hotmail.com
Address: Gelin international Building,Zhengzhou city,Henan Province,China
Gangsteel is specialized in supplying LR extra strength steel plate in LR Grade DH42. For more information of Grade DH42 steel plate, please check them in following:
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LR/DH42 extra high Strength Chemical Composition |
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
LR/DH42 |
0.20 |
0.55 |
1.70 |
0.030 |
0.030 |
0.015 |
0.020 |
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
0.02-0.05 |
0.03-0.10 |
0.02 |
|
|
|
|
|
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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LR/DH42 extra high strength property |
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|
Grade |
|
Mechanical Property |
Charpy V Impact Test |
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|
Thickness |
Yield |
Tensile |
Elongation |
Degree |
Energy 1 |
Energy 2 |
|
|
LR/DH42 |
mm |
Min Mpa |
Mpa |
Min % |
-20 |
J |
J |
|
t≤50 |
420 |
530-680 |
20% |
28 |
42 |
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|
50＜t≤70 |
420 |
530-680 |
20% |
28 |
42 |
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|
70＜t≤100 |
420 |
530-680 |
20% |
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 LR/DH42 |
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|
NV D420 |
GL-D420 |
AB/DQ43 |
BV/D420 |
CCS/D420 |
K D43 |
R D43 |
RI/D420 |
If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
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General Strength |
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High Strength |
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Extra Strength |
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