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New shipment of Carbon Steel Polish bar arrived April 2014 , Origin : Korea , Size Range From Diameter 10 to 100mm.

EN9 is used extensively by all industry sectors for applications requiring more strength and wear resistance than the low carbon mild steels can provide and the higher strength of the low alloy high tensile steels is not necessary, plus those applications requiring flame or induction hardening.
DIN AISI JIS Chemical Composition
C Si Mn P S Co Cr Mo Ni V W Cu
CK45 1045 S45C 0.42 to 0.48 0.20 to 0.35 0.60 to 0.90 < 0.030 < 0.035

Common C45 Steel Specifications

 
Country USA British Japan Australia
Standard ASTM A29 EN 10083-2 JIS G4051 AS 1442
Grades 1045 C45/1.1191 S45C 1045