LR DH32 steel plate for shipbuilding is not only the high tensile strength steel but also is the Hull structural steel with good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and good welding properties.
LR DH32 shipbuilding steel Application range
LR DH32 steel plate is used for shipbuilding and oil platform purpose and they are approved by ABS, DNV, GL, BV, LR, NK, RINA and other classification societies. What's more, DH32 shipbuilding steel plate can be used in manufacturing the ship's hull structure whose weight is below 10000 tons.
LR DH32 shipbuilding steel supply size
Thickness: 4mm-260mm
Width: 1200mm-4000mm
Length: 3000mm-18000mm
(other plate sizes and thicknesses are available on request )
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LR DH32 high Strength Chemical Composition |
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Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
Al |
N |
|
|
LR DH32 |
0.18 |
0.05 |
0.9-1.6 |
0.035 |
0.035 |
0.015 |
|
|
Nb |
V |
Ti |
Cu |
Cr |
Ni |
Mo |
|
|
0.02-0.05 |
0.03-0.10 |
0.02 |
0.35 |
0.20 |
0.40 |
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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LR DH32 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 DH32 |
mm |
Min Mpa |
Mpa |
Min % |
-20 |
J |
J |
|
t≤50 |
315 |
440-590 |
22% |
20 |
31 |
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50＜t≤70 |
315 |
440-590 |
22% |
26 |
38 |
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70＜t≤100 |
315 |
440-590 |
22% |
31 |
46 |
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Note: Energy 1 is transverse impact test, Energy 2 is longitudinal |
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