LR AH/DH/EH 32
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General Product Description
Lloyd’s Register Grades AH32, DH32 and EH32 are higher-strength structural steels with a specified minimum yield strength of 46 ksi and specified minimum Charpy V-notch impact toughness properties.
ApplicationsTypical applications include ships and other structural applications.
Available Dimensions
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| Grade | Product type | Thickness (in) |
Width (in) |
Length (in) |
|---|---|---|---|---|
| Grade AH32 | Plate | 0.1875 - 1.50 | 72 - 120 | 240 - 1020 |
| Grade DH32 | Plate | 0.1875 - 1.50 | 72 - 120 | 240 - 1020 |
| Grade EH32 | Plate | 0.1875 - 2.36 | 60 - 131.9 | 73 - 590 |
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Comparison
Grade
Grade AH32
Product type
Plate
Thickness
(in)
(in)
0.1875 - 1.50
Width
(in)
(in)
72 - 120
Length
(in)
(in)
240 - 1020
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Grade
Grade DH32
Product type
Plate
Thickness
(in)
(in)
0.1875 - 1.50
Width
(in)
(in)
72 - 120
Length
(in)
(in)
240 - 1020
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Grade
Grade EH32
Product type
Plate
Thickness
(in)
(in)
0.1875 - 2.36
Width
(in)
(in)
60 - 131.9
Length
(in)
(in)
73 - 590
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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
Tensile testing is performed in the transverse direction.
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| Grade | Thickness (in) |
Yield strength (min ksi) |
Tensile strength (ksi) |
Elongation A5 1) (min %) |
|---|---|---|---|---|
| Grade AH32 | 0.1875 - 1.50 | 46 | 64 - 83 | 22 |
| Grade DH32 | 0.1875 - 1.50 | 46 | 64 - 83 | 22 |
| Grade EH32 | 0.1875 - 2.36 | 46 | 64 - 83 | 22 |
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Comparison
Grade
Grade AH32
Thickness
(in)
(in)
0.1875 - 1.50
Yield strength
(min ksi)
(min ksi)
46
Tensile strength
(ksi)
(ksi)
64 - 83
Elongation A5 1)
(min %)
(min %)
22
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Grade
Grade DH32
Thickness
(in)
(in)
0.1875 - 1.50
Yield strength
(min ksi)
(min ksi)
46
Tensile strength
(ksi)
(ksi)
64 - 83
Elongation A5 1)
(min %)
(min %)
22
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Grade
Grade EH32
Thickness
(in)
(in)
0.1875 - 2.36
Yield strength
(min ksi)
(min ksi)
46
Tensile strength
(ksi)
(ksi)
64 - 83
Elongation A5 1)
(min %)
(min %)
22
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1) See Lloyd’s Register Rules for elongation requirements for alternative tensile specimens.
Impact Properties
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| Grade | Thickness (in) |
Test temperature(°F) | Min Longitudinal Average Energy 1)(ft-lbs) | Min transverse average energy 1)(ft-lbs) |
|---|---|---|---|---|
| Grade AH32 | 0.1875 - 1.50 | 32 | 23 | 16 |
| Grade DH32 | 0.1875 - 1.50 | -4 | 23 | 16 |
| Grade EH32 | 0.1875 - 1.97 | -40 | 23 | 16 |
| Grade EH32 | 1.98 - 2.36 | -40 | 28 | 19 |
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Comparison
Grade
Grade AH32
Thickness
(in)
(in)
0.1875 - 1.50
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
Grade DH32
Thickness
(in)
(in)
0.1875 - 1.50
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
Grade EH32
Thickness
(in)
(in)
0.1875 - 1.97
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
Grade EH32
Thickness
(in)
(in)
1.98 - 2.36
Test temperature(°F)
-40
Min Longitudinal Average Energy 1)(ft-lbs)
28
Min transverse average energy 1)(ft-lbs)
19
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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. Generally, impact tests are not required when material thickness is less than 0.236 in.
No more than one value below the specified minimum average energy but no less than 70% of the specified minimum average energy value.
Minimum average energy for full-size specimens. Refer to Lloyd’s Register Rules for sub-size specimen energy requirements.
Carbon Equivalent
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| Grade | AH32 | DH32 | EH32 | EH32 |
|---|---|---|---|---|
| Thickness (in) | 0.1875 - 1.50 | 0.1875 - 1.50 | 0.1875 - 1.97 | 1.98 - 2.36 |
| CEV 1) (max %) | 0.36 | 0.36 | 0.36 | 0.38 |
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Comparison
Grade
Thickness (in)
AH32
0.1875 - 1.50
DH32
0.1875 - 1.50
EH32
0.1875 - 1.97
EH32
1.98 - 2.36
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Grade
CEV 1) (max %)
AH32
0.36
DH32
0.36
EH32
0.36
EH32
0.38
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1) Carbon equivalent requirements for TMCP condition of supply only.
