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Grade 10S20
European Standard Steel Grade 1.0721
Corresponding Standard EN 10277-3-1999
Classification Carbon Steel
10S20 Chemical Element Composition Content (%)
Component C Si Mn P S
Minimum Value 0.07 - 0.7 - 0.15
Maximum Value 0.13 0.4 1.1 0.06 0.25
1 Approximate Comparison Table
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France European Standard Russia
GB ISC CNS JIS KS ASTM/AISI ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST
Y12 U71122 SUM21 SUM21 SUM21 B1112
1211① 		10S20 10S20 1.0721 13MF4 10S20① 1.0721 А12
2 Approximate Comparison Table
United States International Organization for Standardization Germany France United Kingdom
ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF BS EN/BS
1108 G11080 10S20 10S20 1.0721 (10F1) 210M15
3 Approximate Comparison Table
China United States Germany France European Standard Sweden United Kingdom
GB ASTM DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade SS BS EN/BS
Y12 Gr.1108 10S20 1.0721 10F1 10S20 1.0721 1912 210M15
10S20 Corresponding Standards(Same grade name, different standards)
1 ISO 683-9-1988
10S20 4
2 EN 10087-1999
10S20 1.0721
3 EN 10277-3-1999
10S20 1.0721
4 DIN 1651-1988
10S20 1.0721
5 DIN EN ISO 683-4-2018
10S20
6 ISO 683-4-2016
10S20
7 ISO 683-18-2014
10S20
8 EN 10277-2018
10S20 1.0721
9 NF EN 10087-1999
10S20 1.0721

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