ASTM A131 Grade AH/DH/EH 36
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ASTM A131
ASTM A131 Grade AH/DH/EH 36
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General Product Description
ASTM A131 Grades AH36, DH36, and EH36 are higher-strength structural steels with a minimum specified yield strength of 51 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 (in) |
Width (in) |
Length (in) |
|---|---|---|---|---|
| Grade AH36 | Plate | 0.251 - 2.00 | 72 - 129.9 | 240 - 1020 |
| Grade DH36 | Plate | 0.251 - 2.00 | 72 - 129.9 | 240 - 1020 |
| Grade EH36 | Plate | 0.251 - 3.94 | 72 - 129.9 | 240 - 590 |
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Comparison
Grade
Grade AH36
Product type
Plate
Thickness
(in)
(in)
0.251 - 2.00
Width
(in)
(in)
72 - 129.9
Length
(in)
(in)
240 - 1020
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Grade
Grade DH36
Product type
Plate
Thickness
(in)
(in)
0.251 - 2.00
Width
(in)
(in)
72 - 129.9
Length
(in)
(in)
240 - 1020
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Grade
Grade EH36
Product type
Plate
Thickness
(in)
(in)
0.251 - 3.94
Width
(in)
(in)
72 - 129.9
Length
(in)
(in)
240 - 590
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Thickness: Please inquire for AH36 and DH36 greater than 2.00 in. thick.
Width: Please inquire for available plate widths for thicknesses less than 0.250 in. For plate thicknesses of 0.250 in. or greater inquire for widths less than 72 in. or over 120 in.
Length: Please inquire for plate lengths <240 in.and greater than the listed maximum.
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 in 2" 1) (min %) |
Elongation in 8" 2) (min %) |
|---|---|---|---|---|---|
| Grade AH36 | 0.251 - 2.00 | 51 | 71 - 90 | 22 | 19 |
| Grade DH36 | 0.251 - 2.00 | 51 | 71 - 90 | 22 | 19 |
| Grade EH36 | 0.251 - 3.94 | 51 | 71 - 90 | 22 | 19 |
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Comparison
Grade
Grade AH36
Thickness
(in)
(in)
0.251 - 2.00
Yield strength
(min ksi)
(min ksi)
51
Tensile strength
(ksi)
(ksi)
71 - 90
Elongation in 2" 1)
(min %)
(min %)
22
Elongation in 8" 2)
(min %)
(min %)
19
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Grade
Grade DH36
Thickness
(in)
(in)
0.251 - 2.00
Yield strength
(min ksi)
(min ksi)
51
Tensile strength
(ksi)
(ksi)
71 - 90
Elongation in 2" 1)
(min %)
(min %)
22
Elongation in 8" 2)
(min %)
(min %)
19
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Grade
Grade EH36
Thickness
(in)
(in)
0.251 - 3.94
Yield strength
(min ksi)
(min ksi)
51
Tensile strength
(ksi)
(ksi)
71 - 90
Elongation in 2" 1)
(min %)
(min %)
22
Elongation in 8" 2)
(min %)
(min %)
19
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1) For plates over 3.5 in. in thickness, a deduction from the specified percentage elongation in 2 in. shall be made in accordance with ASTM A6 Elongation Requirement Adjustments.
2) For plates less than 5/16 in. in thickness , a deduction from the specified 8” elongation percentage shall be made in accordance with ASTM A6 Elongation Requirement Adjustments.
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) |
|---|---|---|---|---|
| AH36 | 0.251 - 2.00 | 32 | 25 | 17 |
| DH36 | 0.251 - 2.00 | -4 | 25 | 17 |
| EH36 | 0.251 - 2.00 | -40 | 25 | 17 |
| EH36 | 2.001 - 2.80 | -40 | 30 | 20 |
| EH36 | 2.801 - 3.94 | -40 | 37 | 25 |
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Comparison
Grade
AH36
Thickness
(in)
(in)
0.251 - 2.00
Test temperature(°F)
32
Min Longitudinal Average Energy 1)(ft-lbs)
25
Min transverse average energy 1)(ft-lbs)
17
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Grade
DH36
Thickness
(in)
(in)
0.251 - 2.00
Test temperature(°F)
-4
Min Longitudinal Average Energy 1)(ft-lbs)
25
Min transverse average energy 1)(ft-lbs)
17
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Grade
EH36
Thickness
(in)
(in)
0.251 - 2.00
Test temperature(°F)
-40
Min Longitudinal Average Energy 1)(ft-lbs)
25
Min transverse average energy 1)(ft-lbs)
17
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Grade
EH36
Thickness
(in)
(in)
2.001 - 2.80
Test temperature(°F)
-40
Min Longitudinal Average Energy 1)(ft-lbs)
30
Min transverse average energy 1)(ft-lbs)
20
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Grade
EH36
Thickness
(in)
(in)
2.801 - 3.94
Test temperature(°F)
-40
Min Longitudinal Average Energy 1)(ft-lbs)
37
Min transverse average energy 1)(ft-lbs)
25
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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 minimum average energy, but no less than 70% of the specified minimum average energy value.
Minimum average energy for full-size specimens. Refer to ASTM A131 for sub-size specimen energy requirements.
Carbon Equivalent
(wt %)
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| Grade | AH36 | DH36 | EH36 | EH36 |
|---|---|---|---|---|
| Thickness (in) | 0.1875 - 2.00 | 0.1875 - 2.00 | 0.1875 - 2.00 | 2.001 - 3.94 |
| CEV (max %) | 0.38 | 0.38 | 0.38 | 0.40 |
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Comparison
Grade
Thickness (in)
AH36
0.1875 - 2.00
DH36
0.1875 - 2.00
EH36
0.1875 - 2.00
EH36
2.001 - 3.94
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Grade
CEV (max %)
AH36
0.38
DH36
0.38
EH36
0.38
EH36
0.40
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