AH36 DH36 EH36 ABS Grade Shipbuilding Steel Plate 4-260mm Thickness 355MPa Yield Strength Hot Rolled
AH36, DH36, and EH36 are high tensile strength ABS grade shipbuilding steel plates manufactured through hot rolling processes. These plates are specifically engineered for low temperature applications in marine environments, offering exceptional toughness, corrosion resistance, and welding properties.
Thickness: 4mm to 260mm
Width: 1200mm to 4000mm
Length: 3000mm to 18000mm
- Offshore oil drilling platforms
- Ship hull construction and repair
- Platform pipe joints and structural components
- Marine structures requiring high strength and corrosion resistance
| Grade | C max | Si max | Mn | P max | S max | Als min | Ti max | Cu max | Cr max | Ni max | Mo max | Nb | V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| DH36 | 0.18 | 0.50 | 0.90-1.60 | 0.035 | 0.035 | 0.015 | 0.02 | 0.35 | 0.20 | 0.40 | 0.08 | 0.02-0.05 | 0.05-0.10 |
Carbon Equivalent (CE) typically ≤ 0.40%. For TMPC delivery condition: ≤ 0.38% (thickness ≤ 50mm), ≤ 0.40% (thickness >50-100mm). Ceq% = (C+Mn)/6 + (Cr+Mo+V)/5 + (Ni+Cu)/15.
| Grade | Rm (MPa) | Re (MPa) min | A% min | Akv/J min |
|---|---|---|---|---|
| DH36 | 490-630 | 355 | 21 | See impact test values |
| Thickness (mm) | L | C |
|---|---|---|
| ≤ 50 | 34 | 24 |
| >50-70 | 41 | 27 |
| >70-100 | 50 | 34 |
Rm: Tensile strength, Re: Yield strength, A%: Elongation, E.T: Experimental temperature, L: Lengthways, C: Crosswise.
| Grade | Fine Grains Elements | Category | Thickness ≤ 12mm | >12.5-20mm | >20-25mm | >25-35mm | >35-50mm | >50-100mm |
|---|---|---|---|---|---|---|---|---|
| DH36 | Nb+V or V | Plate/Sheet | A(50) | N(50),CR(50),TM(50) | N(50),CR(25),TM(50) | - | - | |
| Profile Steel | N(50),CR(50),TM(50),AR*(25) | - | - | - | - | |||
| Al or Al+Ti | Plate/Sheet | A(50) | AR*(25) | - | N(50),CR(50),TM(50) | N(50),CR(25),TM(50) | - | |
| Profile Steel | A(50) | N(50),CR(50),TM(50),AR*(25) | - | - | - | - |
Delivery conditions: A = Any; N = Normalized; CR = Control Rolled; TM = TMPC (Temperature-deformation control rolling); AR* = Can be hot rolled with Classification Society agreement; CR* = Can be control rolled with Classification Society agreement. Figures in parentheses indicate sampling volume for impact test (tons). (-) indicates no impact test required.
| ASTM A131M | TOCT 5521 | BS LR | GB712 |
|---|---|---|---|
| DH36 | D36 | DH36 | D36 |
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