GL Ship Steel Plate E

Products Description The Variation of Yield Strength of GL Ship Steel Plate E at Different Temperatures and Regional Differences The yield strength of GL Ship Steel Plate E is a critical property that undergoes significant changes depending on the temperature at which it is subjected. This...

Send Inquiry

Description

Products Description

The Variation of Yield Strength of GL Ship Steel Plate E at Different Temperatures and Regional Differences

The yield strength of GL Ship Steel Plate E is a critical property that undergoes significant changes depending on the temperature at which it is subjected. This variation is of paramount importance in the design and operation of ships, especially considering the diverse environmental conditions they encounter.

At lower temperatures, typically in the range of -40°C to 0°C, the yield strength of GL Ship Steel Plate E tends to increase. This increase can be substantial, with data indicating that the yield strength might rise by as much as 20% to 30% compared to its value at room temperature (around 20°C). For instance, if the yield strength at room temperature is 350 MPa, it could potentially increase to approximately 420 MPa at -40°C.

Conversely, as the temperature rises above room temperature, the yield strength of the steel plate gradually decreases. At elevated temperatures, such as 200°C to 500°C, the reduction in yield strength can be significant. It might drop by 30% or more. This reduction poses challenges in applications where the steel plate is exposed to high-temperature environments.

It is important to note that these variations are not uniform and can be influenced by various factors, including the chemical composition of the steel, its microstructure, and the manufacturing process.

When considering regional and national differences, variations can indeed exist. Different countries and regions may have slightly different standards and specifications for GL Ship Steel Plate E based on their unique requirements and industry practices.

For example, in some countries with harsh marine environments and extreme temperature variations, the standards might require a higher minimum yield strength at low temperatures to ensure the safety and durability of ships. On the other hand, in regions with relatively milder conditions, the requirements might be somewhat less stringent.

imgSGY0MTNZSkg1eHBlKzloRUx0eDVKYkxLTFY5VkQybGFJYXQ3YUlWWmIvajIrWnpiTEc1V1RnPT0

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