Grade A108 Grade 1095
USA UNS G10950
Corresponding Standard ASTM A108-1999
Standard Specification for Steel Bars, Carbon, Cold-Finished, Standard Quality
Classification Carbon Steel
A108 Grade 1095 Chemical Element Composition Content (%)
Component C Mn P S
Minimum Value 0.9 0.3 - -
Maximum Value 1.03 0.5 0.04 0.05
Approximate Comparison Table Spring Steel
Japan United States Germany France Sweden United Kingdom
JIS AISI UNS DIN EN/DIN W-Nr. NF EN/NF SS14 BS EN/BS
SUP4 1095 G10950 Ck101 1.1274 XC100 1870 060A96

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