ABS Grade A, B, D, E Z25

Download data sheet

General Product Description

ABS Grades A, B, D, and E Z25 are "Z" quality, ordinary-strength structural steels with a minimum specified yield strength of 34 ksi and specified minimum Charpy V-notch impact toughness properties. The Z25 quality steel has a minimum specified average value for reduction of area in through-thickness tensile testing of 25%.

Applications

Typical applications include shipbuilding and mobile offshore drilling units and structural details for which greater resistance to lamellar tearing is desired.

Available Dimensions

Grade
Grade
Grade A Z25
Product type
Plate
Thickness
(inmm)
0.600 - 5.9015.2 - 150
Width
(inmm)
75 - 129.91900 - 3299
Length
(inmm)
79 - 5902000 - 15000
Grade
Grade
Grade B Z25
Product type
Plate
Thickness
(inmm)
0.600 - 5.9015.2 - 150
Width
(inmm)
75 - 129.91900 - 3299
Length
(inmm)
79 - 5902000 - 15000
Grade
Grade
Grade D Z25
Product type
Plate
Thickness
(inmm)
0.600 - 5.9015.2 - 150
Width
(inmm)
75 - 129.91900 - 3299
Length
(inmm)
79 - 5902000 - 15000
Grade
Grade
Grade E Z25
Product type
Plate
Thickness
(inmm)
0.600 - 5.9015.2 - 150
Width
(inmm)
75 - 129.91900 - 3299
Length
(inmm)
79 - 5902000 - 15000

Mechanical Properties

Tensile testing is performed in the transverse direction. When "Z" quality steel is specified, through-thickness tension testing is performed in accordance with ABS Rules.

Grade
Grade
Grade A Z25
Thickness
(inmm)
0.600 - 5.9015.2 - 150
Yield strength
(min ksi)
34
Tensile strength
(ksi)
58 - 75
Elongation A5 1)
(min %)
22
Reduction of area, average
(min %)
25
Reduction of area
(min %)
15
Grade
Grade
Grade B Z25
Thickness
(inmm)
0.600 - 5.9015.2 - 150
Yield strength
(min ksi)
34
Tensile strength
(ksi)
58 - 75
Elongation A5 1)
(min %)
22
Reduction of area, average
(min %)
25
Reduction of area
(min %)
15
Grade
Grade
Grade D Z25
Thickness
(inmm)
0.600 - 5.9015.2 - 150
Yield strength
(min ksi)
34
Tensile strength
(ksi)
58 - 75
Elongation A5 1)
(min %)
22
Reduction of area, average
(min %)
25
Reduction of area
(min %)
15
Grade
Grade
Grade E Z25
Thickness
(inmm)
0.600 - 5.9015.2 - 150
Yield strength
(min ksi)
34
Tensile strength
(ksi)
58 - 75
Elongation A5 1)
(min %)
22
Reduction of area, average
(min %)
25
Reduction of area
(min %)
15

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

Impact Properties

Grade
Grade
Grade A
Thickness
(inmm)
2.001 - 2.8050.83 - 71.1
Test temperature
(°F)
68
Min Longitudinal Average Energy 1)
(ft-lbs)
25
Min transverse average energy 1)
(ft-lbs)
17
Grade
Grade
Grade A
Thickness
(inmm)
2.801 - 4.0071.15 - 102
Test temperature
(°F)
68
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Min transverse average energy 1)
(ft-lbs)
20
Grade
Grade
Grade A
Thickness
(inmm)
4.01 - 5.90102 - 150
Test temperature
(°F)
68
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Min transverse average energy 1)
(ft-lbs)
20
Grade
Grade
Grade B
Thickness
(inmm)
1.001 - 2.0025.43 - 50.8
Test temperature
(°F)
32
Min Longitudinal Average Energy 1)
(ft-lbs)
20
Min transverse average energy 1)
(ft-lbs)
14
Grade
Grade
Grade B
Thickness
(inmm)
2.001 - 2.8050.83 - 71.1
Test temperature
(°F)
32
Min Longitudinal Average Energy 1)
(ft-lbs)
25
Min transverse average energy 1)
(ft-lbs)
17
Grade
Grade
Grade B
Thickness
(inmm)
2.801 - 4.0071.15 - 102
Test temperature
(°F)
32
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Min transverse average energy 1)
(ft-lbs)
20
Grade
Grade
Grade B
Thickness
(inmm)
4.001 - 5.90101.6 - 150
Test temperature
(°F)
32
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Min transverse average energy 1)
(ft-lbs)
20
Grade
Grade
Grade D
Thickness
(inmm)
0.1875 - 2.004.762 - 50.8
Test temperature
(°F)
-4
Min Longitudinal Average Energy 1)
(ft-lbs)
20
Min transverse average energy 1)
(ft-lbs)
14
Grade
Grade
Grade D
Thickness
(inmm)
2.001 - 2.8050.83 - 71.1
Test temperature
(°F)
-4
Min Longitudinal Average Energy 1)
(ft-lbs)
25
Min transverse average energy 1)
(ft-lbs)
17
Grade
Grade
Grade D
Thickness
(inmm)
2.801 - 4.0071.15 - 102
Test temperature
(°F)
-4
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Min transverse average energy 1)
(ft-lbs)
20
Grade
Grade
Grade D
Thickness
(inmm)
4.001 - 5.90101.6 - 150
Test temperature
(°F)
-4
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Min transverse average energy 1)
(ft-lbs)
20
Grade
Grade
Grade E
Thickness
(inmm)
0.197 - 2.005.00 - 50.8
Test temperature
(°F)
-40
Min Longitudinal Average Energy 1)
(ft-lbs)
20
Min transverse average energy 1)
(ft-lbs)
14
Grade
Grade
Grade E
Thickness
(inmm)
2.001 - 2.8050.83 - 71.1
Test temperature
(°F)
-40
Min Longitudinal Average Energy 1)
(ft-lbs)
25
Min transverse average energy 1)
(ft-lbs)
17
Grade
Grade
Grade E
Thickness
(inmm)
2.801 - 4.0071.15 - 102
Test temperature
(°F)
-40
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Min transverse average energy 1)
(ft-lbs)
20
Grade
Grade
Grade E
Thickness
(inmm)
4.01 - 5.90102 - 150
Test temperature
(°F)
-40
Min Longitudinal Average Energy 1)
(ft-lbs)
30
Min transverse average energy 1)
(ft-lbs)
20

1) Specimen orientation at the option of the manufacturer unless otherwise specified in the order.

No more than one value below the specified miniminum average energy but no less than 70% of the specfied minimum average energy value.

Impact tests not required for Grade A if produced using fine grain practice and normalized.

Show specs in:

ImperialMetric