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S20C
Standard JIS G 4051-2005
Standard JIS G 4051-2016 Carbon steels for machine structural use
Standard Q/BQB 517-2018 Wire rods for cold heading
Standard Q/ASB 271-2017 Hot-rolled steel plates and strips for structural use
Standard Q/BQB 615-2009 Thick carbon steel plates for mechanical structures
Standard Q/BQB 615-2018 Carbon steel pl ates for machi ne structural
Standard Q/BQB 130-2003


Chemical Composition(%)


Standard Material Designation Chemical Composition (%)
JIS G 4051-2005 S20C
 
Min
Max
Q/BQB 517-2018
Wire rods for cold heading
S20C
 
Min
Max
Q/ASB 271-2017
Hot-rolled steel plates and strips for structural use
S20C
 
Min
Max
S20C
 
Min
Max
JIS G 4051-2016
Carbon steels for machine structural use
S20C
 
Min
Max
Q/BQB 615-2009
Thick carbon steel plates for mechanical structures
S20C
 
Min
Max
Q/BQB 615-2018
Carbon steel pl ates for machi ne structural
S20C
 
Min
Max
Q/BQB 130-2003 S20C
 
Min
Max
For Reference Only