ABS Grade AH32, DH32, EH32 Z25

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General Product Description

ABS Grades AH32, DH32, and EH32 Z25 are "Z" quality, higher-strength structural steels with a minimum specified yield strength of 46 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

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Grade	Product type	Thickness (inmm)	Width (inmm)	Length (inmm)
Grade AH32Z25	Plate	0.1875 - 5.904.762 - 150	72 - 129.91800 - 3299	79 - 5902000 - 15000
Grade DH32Z25	Plate	0.1875 - 5.904.762 - 150	72 - 129.91800 - 3299	79 - 5902000 - 15000
Grade EH32Z25	Plate	0.1875 - 5.904.762 - 150	72 - 129.91800 - 3299	79 - 5902000 - 15000

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Product type

Thickness
(inmm)

Width
(inmm)

Length
(inmm)

Grade

Grade AH32Z25

Product type

Plate

Thickness
(inmm)

0.1875 - 5.904.762 - 150

Width
(inmm)

72 - 129.91800 - 3299

Length
(inmm)

79 - 5902000 - 15000

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Grade

Grade DH32Z25

Product type

Plate

Thickness
(inmm)

0.1875 - 5.904.762 - 150

Width
(inmm)

72 - 129.91800 - 3299

Length
(inmm)

79 - 5902000 - 15000

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Grade

Grade EH32Z25

Product type

Plate

Thickness
(inmm)

0.1875 - 5.904.762 - 150

Width
(inmm)

72 - 129.91800 - 3299

Length
(inmm)

79 - 5902000 - 15000

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Thickness: Inquire for plate thickness less than 0.75 in.

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.

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Grade	Thickness (inmm)	Yield strength (min ksi)	Tensile strength (ksi)	Elongation A₅¹⁾ (min %)	Reduction of area, average (min %)	Reduction of area (min %)
Grade AH32Z25	0.1875 - 5.904.762 - 150	46	64 - 85	22	25	15
Grade DH32Z25	0.1875 - 5.904.762 - 150	46	64 - 85	22	25	15
Grade EH32Z25	0.1875 - 5.904.762 - 150	46	64 - 85	22	25	15

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Thickness
(inmm)

Yield strength
(min ksi)

Tensile strength
(ksi)

Elongation A₅¹⁾
(min %)

Reduction of area, average
(min %)

Reduction of area
(min %)

Grade

Grade AH32Z25

Thickness
(inmm)

0.1875 - 5.904.762 - 150

Yield strength
(min ksi)

46

Tensile strength
(ksi)

64 - 85

Elongation A₅¹⁾
(min %)

22

Reduction of area, average
(min %)

25

Reduction of area
(min %)

15

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Grade

Grade DH32Z25

Thickness
(inmm)

0.1875 - 5.904.762 - 150

Yield strength
(min ksi)

46

Tensile strength
(ksi)

64 - 85

Elongation A₅¹⁾
(min %)

22

Reduction of area, average
(min %)

25

Reduction of area
(min %)

15

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Grade

Grade EH32Z25

Thickness
(inmm)

0.1875 - 5.904.762 - 150

Yield strength
(min ksi)

46

Tensile strength
(ksi)

64 - 85

Elongation A₅¹⁾
(min %)

22

Reduction of area, average
(min %)

25

Reduction of area
(min %)

15

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¹⁾ See ABS 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)	Min transverse average energy ¹⁾ (ft-lbs)
AH32Z25	0.1875 - 2.004.762 - 50.8	32	23	16
AH32Z25	2.01 - 2.8051.1 - 71.1	32	28	19
AH32Z25	2.81 - 4.0071.4 - 102	32	34	23
AH32Z25	4.01 - 5.90102 - 150	32	34	23
DH32Z25	0.1875 - 2.004.762 - 50.8	-4	23	16
DH32Z25	2.01 - 2.8051.1 - 71.1	-4	28	19
DH32Z25	2.81 - 4.0071.4 - 102	-4	34	23
DH32Z25	4.01 - 5.90102 - 150	-4	34	23
EH32Z25	0.1875 - 2.004.762 - 50.8	-40	23	16
EH32Z25	2.01 - 2.8051.1 - 71.1	-40	28	19
EH32Z25	2.81 - 4.0071.4 - 102	-40	34	23
EH32Z25	4.01 - 5.90102 - 150	-40	34	23

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Thickness
(inmm)

Test temperature
(°F)

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

Min transverse average energy ¹⁾
(ft-lbs)

Grade

AH32Z25

Thickness
(inmm)

0.1875 - 2.004.762 - 50.8

Test temperature
(°F)

32

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

23

Min transverse average energy ¹⁾
(ft-lbs)

16

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Grade

AH32Z25

Thickness
(inmm)

2.01 - 2.8051.1 - 71.1

Test temperature
(°F)

32

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

28

Min transverse average energy ¹⁾
(ft-lbs)

19

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Grade

AH32Z25

Thickness
(inmm)

2.81 - 4.0071.4 - 102

Test temperature
(°F)

32

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

34

Min transverse average energy ¹⁾
(ft-lbs)

23

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Grade

AH32Z25

Thickness
(inmm)

4.01 - 5.90102 - 150

Test temperature
(°F)

32

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

34

Min transverse average energy ¹⁾
(ft-lbs)

23

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Grade

DH32Z25

Thickness
(inmm)

0.1875 - 2.004.762 - 50.8

Test temperature
(°F)

-4

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

23

Min transverse average energy ¹⁾
(ft-lbs)

16

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Grade

DH32Z25

Thickness
(inmm)

2.01 - 2.8051.1 - 71.1

Test temperature
(°F)

-4

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

28

Min transverse average energy ¹⁾
(ft-lbs)

19

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Grade

DH32Z25

Thickness
(inmm)

2.81 - 4.0071.4 - 102

Test temperature
(°F)

-4

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

34

Min transverse average energy ¹⁾
(ft-lbs)

23

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Grade

DH32Z25

Thickness
(inmm)

4.01 - 5.90102 - 150

Test temperature
(°F)

-4

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

34

Min transverse average energy ¹⁾
(ft-lbs)

23

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Grade

EH32Z25

Thickness
(inmm)

0.1875 - 2.004.762 - 50.8

Test temperature
(°F)

-40

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

23

Min transverse average energy ¹⁾
(ft-lbs)

16

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Grade

EH32Z25

Thickness
(inmm)

2.01 - 2.8051.1 - 71.1

Test temperature
(°F)

-40

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

28

Min transverse average energy ¹⁾
(ft-lbs)

19

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Grade

EH32Z25

Thickness
(inmm)

2.81 - 4.0071.4 - 102

Test temperature
(°F)

-40

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

34

Min transverse average energy ¹⁾
(ft-lbs)

23

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Grade

EH32Z25

Thickness
(inmm)

4.01 - 5.90102 - 150

Test temperature
(°F)

-40

Min Longitudinal Average Energy ¹⁾
(ft-lbs)

34

Min transverse average energy ¹⁾
(ft-lbs)

23

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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.

Minimum average energy for full-size specimens. Refer to ABS Rules for sub-size specimen energy requirements.

Carbon Equivalent

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Grade	AH32	DH32	EH32
Thickness (inmm)	0.1875 - 1.574.762 - 39.9	0.1875 - 1.574.762 - 39.9	0.1875 - 1.574.762 - 39.9
CEV ¹⁾ (max %)	0.36	0.36	0.36

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AH32

DH32

EH32

Grade

Thickness (inmm)

AH32

0.1875 - 1.574.762 - 39.9

DH32

0.1875 - 1.574.762 - 39.9

EH32

0.1875 - 1.574.762 - 39.9

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Grade

CEV ¹⁾ (max %)

AH32

0.36

DH32

0.36

EH32

0.36

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¹⁾ Carbon equivalent requirements for TMCP condition of supply only.

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General Product Description

Available Dimensions

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Comparison

Mechanical Properties

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Comparison

Impact Properties

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Comparison

Carbon Equivalent

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Comparison