GL Ship Steel Plate D

Products Description The Requirements for Other Properties of GL Ship Steel Plate in Shipbuilding Codes across Different Countries and Regions The world of shipbuilding is highly regulated to ensure the safety, durability, and performance of vessels. Different countries and regions have specific...

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Products Description

The Requirements for Other Properties of GL Ship Steel Plate in Shipbuilding Codes across Different Countries and Regions

The world of shipbuilding is highly regulated to ensure the safety, durability, and performance of vessels. Different countries and regions have specific requirements for various properties of GL Ship Steel Plate beyond just the commonly discussed ones.

One important aspect is the tensile strength. Some countries may stipulate a minimum tensile strength for GL Ship Steel Plate to guarantee its ability to withstand the forces exerted on the ship's structure. For instance, in certain European nations, the minimum tensile strength could be set at 490 MPa, while in Asian countries like South Korea, it might be slightly higher at 510 MPa.

Impact toughness is another critical property. Different regions have varying requirements based on their environmental conditions and the intended use of the ships. In areas prone to cold weather or where vessels operate in extreme conditions, higher impact toughness might be mandated. For example, in Nordic countries, the impact energy absorption at low temperatures for GL Ship Steel Plate could be required to be significantly higher compared to warmer regions.

Corrosion resistance is of paramount importance, especially for ships operating in saltwater. Some countries might have strict standards for the composition and surface treatment of the steel plate to enhance its resistance to corrosion. This could include specific limits on the content of elements like chromium and nickel, or requirements for protective coatings.

Weldability is also a key consideration. Different shipbuilding codes might prescribe specific procedures and parameters for welding GL Ship Steel Plate to ensure strong and reliable joints. Some regions might focus on the heat input during welding, while others might emphasize pre- and post-weld heat treatment.

Grade	YieldStrength MPA	TensileStrength MPA	Elongation%	TestTemperature°C	V Ballistic Work
Thickness mm
≤50	>50~70	>70~100
L	T	L	T	L	T
A	≥235	400-520	≥22	20			34
B	≥235	400-520	≥22	0	27	20	34
D	≥235	400-520	≥22	-20	27	20	34
E	≥235	400-520	≥22	-40	27	20	34
AH32	≥315	440-570	≥22	0	31	22	38
DH32	≥315	440-570	≥22	-20	31	22	38
EH32	≥315	440-570	≥22	-40	31	22	38
AH36	≥355	490-630	≥21	0	34	24	41
DH36	≥355	490-630	≥21	-20	34	24	41
EH36	≥355	490-630	≥21	-40	34	24	41
AH40	≥390	510-660	≥20	0	41	27
DH40	≥390	510-660	≥20	-20	41	27
EH40	≥390	510-660	≥20	-40	41	27