NV A/B/D/E

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General Product Description

DNV Grades A, B, D, and E are ordinary-strength structural steels with a minimum specified yield strength of 34 ksi and specified minimum Charpy V-notch impact toughness properties.

Applications

Typical applications include shipbuilding and mobile offshore drilling units and structures.

Available Dimensions

Grade
Grade
Grade A
Product type
Plate
Thickness
(inmm)
0.1875 - 3.004.762 - 76.2
Width
(inmm)
72 - 1201800 - 3050
Length
(inmm)
240 - 10206100 - 25910
Grade
Grade
Grade B
Product type
Plate
Thickness
(inmm)
0.1875 - 2.004.762 - 50.8
Width
(inmm)
72 - 1201800 - 3050
Length
(inmm)
240 - 6006100 - 15200
Grade
Grade
Grade D
Product type
Plate
Thickness
(inmm)
0.1875 - 1.574.762 - 39.9
Width
(inmm)
72 - 1201800 - 3050
Length
(inmm)
240 - 10206100 - 25910
Grade
Grade
Grade E
Product type
Plate
Thickness
(inmm)
0.1969 - 5.915.001 - 150
Width
(inmm)
75 - 129.91900 - 3299
Length
(inmm)
154 - 5903910 - 15000

Width: Please inquire for plate widths less than 72 in. and inquire plate product over 120 in.

Length: Please inquire for plate lengths outside the noted ranges.

Thickness: Please inquire for plate thicknesses outside the noted ranges.

Mechanical Properties

Grade
Grade
Grade A
Thickness
(inmm)
0.1875 - 3.004.762 - 76.2
Yield strength
(min ksi)
34
Tensile strength
(ksi)
58 - 75
Elongation A5 1)
(min %)
22
Grade
Grade
Grade B
Thickness
(inmm)
0.1875 - 2.004.762 - 50.8
Yield strength
(min ksi)
34
Tensile strength
(ksi)
58 - 75
Elongation A5 1)
(min %)
22
Grade
Grade
Grade D
Thickness
(inmm)
0.1875 - 1.574.762 - 39.9
Yield strength
(min ksi)
34
Tensile strength
(ksi)
58 - 75
Elongation A5 1)
(min %)
22
Grade
Grade
Grade E
Thickness
(inmm)
0.1969 - 5.915.001 - 150
Yield strength
(min ksi)
34
Tensile strength
(ksi)
58 - 75
Elongation A5 1)
(min %)
22

Tensile testing is performed in the transverse direction.

1) See DNV Rules for elongation requirements for alternative tensile specimens.

Impact Properties

Grade
Grade
Grade A
Thickness
(inmm)
2.01 - 2.7551.1 - 69.8
Test temperature
(°F)
68
Min Longitudinal Average Energy 1)
(ft-lbs)
25
Grade
Grade
Grade A
Thickness
(inmm)
2.76 - 3.0070.1 - 76.2
Test temperature
(°F)
68
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Grade
Grade
Grade B
Thickness
(inmm)
1.01 - 2.0025.7 - 50.8
Test temperature
(°F)
32
Min Longitudinal Average Energy 1)
(ft-lbs)
20
Grade
Grade
Grade D
Thickness
(inmm)
0.1875 - 1.574.762 - 39.9
Test temperature
(°F)
-4
Min Longitudinal Average Energy 1)
(ft-lbs)
20
Grade
Grade
Grade E
Thickness
(inmm)
0.1969 - 2.005.001 - 50.8
Test temperature
(°F)
-40
Min Longitudinal Average Energy 1)
(ft-lbs)
20
Grade
Grade
Grade E
Thickness
(inmm)
2.01 - 2.7551.1 - 69.8
Test temperature
(°F)
-40
Min Longitudinal Average Energy 1)
(ft-lbs)
25
Grade
Grade
Grade E
Thickness
(inmm)
2.76 - 5.9170.1 - 150
Test temperature
(°F)
-40
Min Longitudinal Average Energy 1)
(ft-lbs)
30

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.

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