NV A/D/E 40
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General Product Description
DNV Grades NV A40, NV D40, and NV E40 are high-strength structural steels with a minimum specified yield strength of 57 ksi and specified minimum Charpy V-notch impact toughness properties.
ApplicationsTypical applications include shipbuilding and mobile offshore drilling units and structures.
Available Dimensions
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| Grade | Product type | Thickness (inmm) |
Width (inmm) |
Length (inmm) |
|---|---|---|---|---|
| NV A40 | Plate | 0.2362 - 1.5755.999 - 40.00 | 75 - 129.91900 - 3299 | 79 - 9062000 - 23000 |
| NV D40 | Plate | 0.2362 - 1.5755.999 - 40.00 | 75 - 129.91900 - 3299 | 79 - 9062000 - 23000 |
| NV E40 | Plate | 0.2362 - 1.5755.999 - 40.00 | 75 - 129.91900 - 3299 | 79 - 9062000 - 23000 |
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Comparison
Grade
NV A40
Product type
Plate
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Width
(inmm)
(inmm)
75 - 129.91900 - 3299
Length
(inmm)
(inmm)
79 - 9062000 - 23000
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Grade
NV D40
Product type
Plate
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Width
(inmm)
(inmm)
75 - 129.91900 - 3299
Length
(inmm)
(inmm)
79 - 9062000 - 23000
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Grade
NV E40
Product type
Plate
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Width
(inmm)
(inmm)
75 - 129.91900 - 3299
Length
(inmm)
(inmm)
79 - 9062000 - 23000
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Width: Please inquire for plate widths less than 75 in. and plate widths greater than 129,9 in.
Length: Please inquire for plate lengths oustide the noted ranges.
Thickness: Please inquire for plate thicknesses outside the noted ranges.
Mechanical Properties
Tensile testing is performed in the transverse direction.
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| Grade | Thickness (inmm) |
Yield strength (min ksi) |
Tensile strength (ksi) |
Elongation A5 1) (min %) |
|---|---|---|---|---|
| NV A40 | 0.2362 - 1.5755.999 - 40.00 | 57 | 74 - 96 | 20 |
| NV D40 | 0.2362 - 1.5755.999 - 40.00 | 57 | 74 - 96 | 20 |
| NV E40 | 0.2362 - 1.5755.999 - 40.00 | 57 | 74 - 96 | 20 |
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Comparison
Grade
NV A40
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Yield strength
(min ksi)
(min ksi)
57
Tensile strength
(ksi)
(ksi)
74 - 96
Elongation A5 1)
(min %)
(min %)
20
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Grade
NV D40
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Yield strength
(min ksi)
(min ksi)
57
Tensile strength
(ksi)
(ksi)
74 - 96
Elongation A5 1)
(min %)
(min %)
20
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Grade
NV E40
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Yield strength
(min ksi)
(min ksi)
57
Tensile strength
(ksi)
(ksi)
74 - 96
Elongation A5 1)
(min %)
(min %)
20
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1) See DNV Rules for elongation requirements for alternative tensile specimens.
Impact Properties
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| Grade | Thickness (inmm) |
Test temperature(°F) | Min Longitudinal Average Energy 1)(ft-lbs) |
|---|---|---|---|
| NV A40 | 0.2362 - 1.5755.999 - 40.00 | 32 | 29 |
| NV D40 | 0.2362 - 1.5755.999 - 40.00 | -4 | 29 |
| NV E40 | 0.2362 - 1.5755.999 - 40.00 | -40 | 29 |
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Comparison
Grade
NV A40
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Test temperature(°F)
32
Min Longitudinal Average Energy 1)(ft-lbs)
29
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Grade
NV D40
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Test temperature(°F)
-4
Min Longitudinal Average Energy 1)(ft-lbs)
29
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Grade
NV E40
Thickness
(inmm)
(inmm)
0.2362 - 1.5755.999 - 40.00
Test temperature(°F)
-40
Min Longitudinal Average Energy 1)(ft-lbs)
29
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1) Tests are to be taken in the longitudinal direction. Normally, transverse test specimens are not required unless otherwise specified in the order. Impact tests not required when material thickness is less than 0.236 in. unless otherwise specified.
No more than one value below the specified miniminum average energy but no less than 70% of the specfied minimum average energy value.
Minimum average energy for full-size specimens. Refer to DNV Rules for sub-size specimen energy requirements.
Carbon Equivalent
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| Grade | NV A40 | NV D40 | NV E40 |
|---|---|---|---|
| Thickness (inmm) | 0.2362 - 1.5755.999 - 40.00 | 0.2362 - 1.5755.999 - 40.00 | 0.2362 - 1.5755.999 - 40.00 |
| CEV 1) (max wt %) | 0.40 | 0.40 | 0.40 |
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Comparison
Grade
Thickness (inmm)
NV A40
0.2362 - 1.5755.999 - 40.00
NV D40
0.2362 - 1.5755.999 - 40.00
NV E40
0.2362 - 1.5755.999 - 40.00
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Grade
CEV 1) (max wt %)
NV A40
0.40
NV D40
0.40
NV E40
0.40
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1) Carbon equivalent requirements for TMCP condition of supply only.
