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ABS DH36 (also written AB/DH36, ABS Grade DH36, DH36 steel plate) is a higher-strength hull structural steel. In the grade name, the letter D is the toughness grade (impact test at -20°C) and 36 denotes the strength level with a minimum yield strength of 355 MPa.
Gangsteel is specialized in supplying ABS high strength steel plate in ABS Grade DH36. For more information of GradeDH36 steel plate, please check them in following:
AB/DH36 high Strength Chemical Composition
| Element | Heat analysis (max/min) | Product analysis |
|---|---|---|
| C | ≤ 0.18 | ≤ 0.22 |
| Mn | 0.90–1.60 | 0.81–1.72 |
| Si | 0.10–0.50 | 0.04–0.56 |
| P | ≤ 0.035 | ≤ 0.045 |
| S | ≤ 0.035 | ≤ 0.045 |
| Al (acid-soluble) | ≥ 0.015 | — (no tolerance in ASTM A6 Table A; product value not given) |
| Nb | 0.02–0.05 | 0.010–0.060 |
| V | 0.05–0.10 | 0.040–0.110 |
| Ti | ≤ 0.02 | ≤ 0.03 |
| Cu | ≤ 0.35 | ≤ 0.38 |
| Cr | ≤ 0.20 | ≤ 0.24 |
| Ni | ≤ 0.40 | ≤ 0.43 |
| Mo | ≤ 0.08 | ≤ 0.09 |
Al, Nb and V minima apply when used singly (combined minima per ABS 2-1-3/5); Si min does not apply where acid-soluble Al ≥ 0.015%; AH ≤ 12.5 mm may have Mn min 0.70%. Product analysis = heat limit ± ASTM A6/A6M Table A permitted variation (band chosen by the specified maximum/upper limit); applies only when product (check) analysis is required; for a range, results may not vary both above and below it. Per ABS Rules for Materials and Welding Part 2 (2022); product analysis tolerances per ABS 2-1-2/5.3 (“chemical tolerances of ASTM A6”) and ASTM A6/A6M 7.2, Table A (also invoked by ASTM A131). Heat limits: ABS 2-1-3/7.3 Table 1 (t ≤ 150 mm).
Crack Sensitivity: Pcm = (C+Si/30+Mn/20+Cu/20+Ni/60+Cr/20+Mo/15+V/10+5B)%
Carbon Equivalent: Ceq = 【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
AB/DH36 high strength property
| Thickness (mm) | Yield min (MPa) | Tensile (MPa) | Elongation A5 min (%) | Charpy test temp (°C) | Impact avg min, longitudinal (J) | Impact avg min, transverse (J) |
|---|---|---|---|---|---|---|
| t≤50 | 355 | 490-620 | 21 | -20 | 34 | 24 |
| 50<t≤70 | 355 | 490-620 | 21 | -20 | 41 | 27 |
| 70<t≤100 | 355 | 490-620 | 21 | -20 | 50 | 34 |
Source: ABS Rules Pt 2, 2-1-3 Tables 2 & 4. Either direction acceptable.
Boiler steel plates| Alloy steel plates| High strength plate| Carbon steel plate
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Equivalent steel grade of AB/DH36 |
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If you need more stock steel plates in shipbuilding steel plate, please click warehouse sizes.
Related steel grades: AB/DH32, AB/B, AB/AH32, AB/D
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General Strength |
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Charpy V impact average ≥34 J longitudinal / 24 J transverse at -20°C for t≤50 mm. ABS rules cover plate thickness up to 100 mm.
| ABS | ASTM A131 | DNV | LR | BV | CCS |
| DH36 | DH36 | VL DH36 / NV D36 | DH36 | DH36 | DH36 |
All follow IACS UR W11. The class certificate must match the project's classification society.
'D' is the toughness grade (impact test at -20°C) and '36' denotes the strength level with a minimum yield strength of 355 MPa.
Minimum yield 355 MPa, tensile strength 490-620 MPa; Charpy V impact average ≥34 J longitudinal / 24 J transverse at -20°C for t≤50 mm.
-20°C.
ASTM A131 DH36, and grade DH36 (DNV: VL DH36) of other IACS member societies such as LR, BV and CCS, as all follow IACS UR W11. The class certificate must match the project's classification society.
C ≤0.18%, Mn 0.90-1.60%, Si 0.10-0.50%, P and S ≤0.035%, with Nb/V/Ti grain refiners; see the table above.
ASTM equivalent: ASTM A131 DH36 steel plate
ABS DH36 higher-strength ship plate: 355 MPa min yield, 490-620 MPa tensile, Charpy at -20°C, chemistry table
ABS AH36 higher-strength ship plate: 355 MPa min yield, 490-620 MPa tensile, Charpy at 0°C, chemistry table an
ABS Grade A ordinary-strength hull plate: chemical composition, 235 MPa yield, 400-520 MPa tensile, Charpy test
ABS DQ47 extra-high-strength hull plate: 460 MPa min yield, 570-720 MPa tensile, Charpy at -20°C, chemistry an
