Pipeline steel plate is required to have high tensile and yield strength. This enables the pipeline to withstand the internal pressure exerted by the transported fluid. High - strength pipeline steel can resist deformation and rupture, especially in high - pressure pipeline systems. For example, modern pipeline steel plates can have a yield strength of several hundred megapascals, which is crucial for transporting substances like crude oil over long - distance and high - pressure transmission lines.
| GB/T 1591 | L245 Gr.B | 6-40 | |
| L245/X42 | 8-40 | ||
| L360/X52 | 8-40 | ||
| L390/X56 | 8-40 | ||
| L415/X60 | 8-40 | ||
| L450/X65 | 8-40 | ||
| L485/X70 | 8-40 | ||
| L555/X80 | 8-30 |
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