L290MB StE290.7TM X 42
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L290MB
GB/T9711-2011 Material#1.0429
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Comparison of steel grades
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DIN 17172
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StE 290.7TM
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API5L
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X 42
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Chemical analysis -% by mass*
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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.
mix
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P
max
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S
max
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L290MB
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1.0429
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0.04-0.12
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0.4
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1.00-1.50
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0.035
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0.025
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Grade
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Permissible yield point
ratio
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Yield Strength
MPa(min)
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Tensile Strength
MPa
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Elongation
% (min)
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L290MB
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≤ 0.85
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295
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420 - 540
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Source:
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