AH36 DH36 EH36 Steel Plate for Shipbuilding
AH36 steel plate is the manufacture of ocean-going, coastal and inland waterway navigation ships, fishing boats and marine engineering structures with a thickness of not more than 150mm steel plate, Z to the requirements of the steel plate in the suffix plus Z25, Z35, the use of high-strength ships and marine engineering structural steel.
DH36: D is quality grade D, H is high-strength building materials, 36 maximum compressive, Z is Z-tensile. For high strength high strength hull structural steel. Shipbuilding steel generally refers to the hull structural steel, which refers to the construction of classification societies in accordance with the requirements of the construction specification for the production of steel used in the manufacture of hull structure. Often as a special steel ordering, scheduling, sales, a ship including ship plate, section steel, etc..
EH36 ship plate is delivered in annealed, hot rolled, normalized, control rolled, TM (thickness varies, delivery status varies) status, and can also be sheared or flame cut.Z steel plate should be subject to ultrasonic flaw detection, the flaw level should be specified in the contract, according to the requirements of the demand side, by agreement between supply and demand, other steel plates can also be subjected to non-destructive testing.
shipbuilding steel plate chemical composition
|
Elements |
C |
Mn |
Al |
Si |
P |
S |
|---|---|---|---|---|---|---|
|
AH36 |
≤0.18 |
0.7~1.60 |
≥0.015 |
0.10~0.50 |
≤0.04 |
≤0.04 |
|
DH36 |
≤0.18 |
0.90~1.60 |
≥0.015 |
0.10~0.50 |
≤0.04 |
≤0.04 |
|
EH36 |
≤0.18 |
0.90~1.60 |
≥0.015 |
0.10~0.50 |
≤0.04 |
≤0.04 |
steel plates for shipbuilding mechanical property
|
Steel Grade |
Thickness/mm |
Yield point/ MPa |
Tensile strength/ MPa |
Elongation/ % |
V-type impact test |
||
|
Temperature/ ℃ |
Average impact absorption workAkv/J |
||||||
|
Vertical |
Horizontal |
||||||
|
AH36 |
≤50 |
≥355 |
490~620 |
≥22 |
0 |
≥34 |
≥24 |
|
DH36 |
≤50 |
≥355 |
490~620 |
≥22 |
-20 |
≥34 |
≥24 |
|
EH36 |
≤50 |
≥355 |
490~620 |
≥22 |
-40 |
≥34 |
≥24 |
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