Shipbuilding steel D is a common tensile strength steel . ASTM A 131 D steel plate is usual for shipbuilding and oil platform purpose.D shipbuilding steel is the Hull structural steel which with a good toughness properties, higher strength,strong corrosion-resistance,the processing properties,and welding properties.The shipbuilding steel grade D is mainly used in the manufacture of the ship's hull structure whose weight is below 10000 tons,and usually do navigation around coastal and river area.
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Comparison of steel grades
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D
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Germanischer Lloyds
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D
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Bureau Veritas
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D
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D
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USSR Register
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D
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Nippon Kaigi Kyoka
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D
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D steel plate Chemical analysis -% by mass*
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Grades
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C
max
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Si max
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Mn.
max
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P
max
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S
max
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AL
min
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Cr max
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Cu max
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Ni max
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D
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0.2
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0.4
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0.6
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0.04
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0.04
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0.015-0.06
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0.3
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0.3
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0.3
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D steel sheet Mechanical properties
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Grades
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Yield Strength
ReH[N/mm2]
transv.min.
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Tensile
Strength
Rm[N/mm2]transv.
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Fracture
Elongation
[%]transv. min.
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Impact bending test
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Thickness
mm
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Test temperature
°C
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Impact work, KV,
J, min
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D
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235
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400 - 490
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22
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5.5 – 7.0
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-40
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19
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7.5 – 9.5
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-20
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24
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≥10
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0
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27
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Source:
Tags: D steel plate, D steel sheet
