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AISI
American Iron and Steel Institute		 1030
SAE
Steel Number		 1030
Classification Carbon Steel
Chemical Element Composition Content (%)
Component C Mn P S
Minimum Value 0.28 0.6 - -
Maximum Value 0.34 0.9 0.03 0.05
1 Approximate Comparison Table High-Quality Carbon Structural Steel
China Taiwan, China Japan South Korea United States International Organization for Standardization Germany France Russia United Kingdom
GB ISC CNS JIS KS ASTM/AISI UNS ISO DIN EN/DIN W-Nr. NF EN/NF GOST BS EN/BS
30 U20302 S30C S30C SM30C 1030 G10300 C30E4 C30E
Ck30 		1.1178 C30E
SC32 		30 C30E
080M30
2 Approximate Comparison Table High-Quality Carbon Structural Steel
China Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
GB JIS SAE ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
30 S30C 1030 C30
C30E4 		C30
Ck30 		1.0528 AF50C30
XC32 		C30 1.0528 30 080M32
En5

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