X52 steel plate/pipes, API 5L X52 steel plate/pipes, under API 5L standard, we can regard X52 steel plate/pipes as large diameter pipes. X52 steel plate/pipes is one mainly of Steel for large diameter pipes,API-X52 steel is equal to EN10208 L360MB,and DIN 17172 StE 360.7TM.
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Comparison of steel grades
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DIN 17172
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StE 360.7
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API5L
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X52
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Grades
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Material number
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C
max
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Si max
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Mn.
max
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P
max
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S
max
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L360NB
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1.0582
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0.22
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0.45
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1.6
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0.025
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0.02
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X52 steel sheet Mechanical properties
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Permissible yield point
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Elongation
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Grade
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ratio
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MPa(min)
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MPa
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% (min)
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L360NB
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≤ 0.85
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360
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510 - 630
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20
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Source:
