Grade 1521
USA UNS G15210
Corresponding Standard SAE J403-2014
Chemical compositions of SAE carbon steels
Classification Carbon Steel
1521 Chemical Element Composition Content (%)
  Component C Mn P S
Flat Rolled Products Minimum Value 0.18 1.1 - -
Maximum Value 0.23 1.4 0.03 0.035
  Component C Mn P S
Long Products Minimum Value 0.18 1.1 - -
Maximum Value 0.23 1.4 0.04 0.05

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