ABS AQ/DQ/EQ 43
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Our ABS Grades AQ43, DQ43, EQ43 are high-strength, Thermo-mechanically controlled rolled structural steels having a minimum specified yield strength of 61 ksi and specified minimum Charpy V-notch impact toughness properties.
ApplicationsTypical applications include shipbuilding and mobile offshore drilling units and structures.
| Grade | Product type | Thickness (in) |
Width (in) |
Length (in) |
|---|---|---|---|---|
| Grade AQ43 | Plate | 0.315 - 1.97 | 75 - 129.9 | 79 - 590 |
| Grade DQ43 | Plate | 0.315 - 1.97 | 75 - 129.9 | 79 - 590 |
| Grade EQ43 | Plate | 0.591 - 2.56 | 75 - 129.9 | 79 - 590 |
Grade EQ43 Z25 & EQ43 Z35 are available in the same dimensions as Grade EQ43.
Tensile testing is performed in the transverse direction.
| Grade | Thickness (in) |
Yield strength (min ksi) |
Tensile strength (ksi) |
Elongation A5 1) (min %) |
|---|---|---|---|---|
| Grade AQ43 | 0.315 - 1.97 | 61 | 77 - 98 | 18 |
| Grade DQ43 | 0.315 - 1.97 | 61 | 77 - 98 | 18 |
| Grade EQ43 | 0.591 - 2.56 | 61 | 77 - 98 | 18 |
1) See ABS Rules for elongation requirements for alternative tensile specimens.
| Grade | Thickness (in) |
Test temperature(°F) | Min Longitudinal Average Energy 1)(ft-lbs) | Min transverse average energy 1)(ft-lbs) |
|---|---|---|---|---|
| Grade AQ43 | 0.315 - 1.97 | 32 | 30 | 20 |
| Grade DQ43 | 0.315 - 1.97 | -4 | 30 | 20 |
| Grade EQ43 | 0.591 - 2.56 | -40 | 30 | 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.
Minimum average energy for full-size specimens. Refer to ABS Rules for sub-size specimen energy requirements.