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Home Material NF A 36-102-1993
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Grade C68RR
Old Grade
Corresponding Standard NF A 36-102-1993
Structural Steel Hot Rolled Strip
Classification Carbon Steel
C68RR Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo Al
Minimum Value 0.65 0.15 0.5 - - - - - -
Maximum Value 0.73 0.35 0.8 0.025 0.02 0.3 0.4 0.1 0.03
Approximate Comparison Table Spring Steel
Germany France European Standard United Kingdom
DIN EN/DIN NF EN/NF EN Numerical Grade BS EN/BS
Ck67 C68RR C67S 1.1231 CS70

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