Grade C75RR
Old Grade
Corresponding Standard NF A 36-102-1993
Structural Steel Hot Rolled Strip
Classification Carbon Steel
C75RR Chemical Element Composition Content (%)
Component C Si Mn P S Cr Ni Mo Al
Minimum Value 0.7 0.15 0.5 - - - - - -
Maximum Value 0.8 0.35 0.8 0.025 0.02 0.3 0.4 0.1 0.03
Approximate Comparison Table Spring Steel
United States Germany France European Standard Russia Sweden United Kingdom
AISI UNS DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS14 BS EN/BS
1078 G10780 Ck75 1.1248 C75RR C75S 1.1248 75A 1774 CS80

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