Grade 1212
USA UNS G12120
Corresponding Standard SAE J403-2014
Chemical Compositions of SAE Carbon Steels
Classification Carbon Steel
1212 Chemical Element Composition Content (%)
Component C Mn P S
Minimum Value - 0.7 0.07 0.16
Maximum Value 0.13 1 0.12 0.23
1 Approximate Comparison Table Free-Cutting Structural Steel
China Japan United States International Organization for Standardization Russia
GB ISC JIS ASTM ISO GOST
Y12 U71122 SUM12 1211
1212
10S20 A12
2 Approximate Comparison Table Free-Cutting Steel 1
Japan United States Germany United Kingdom
JIS ASTM DIN EN/DIN BS EN/BS
SUM21 1212 9S20 220M07
1212 Corresponding Standards(Same grade name, different standards)

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