Specifications

Specification:S20C
Delivery condition; Forged+Normalizing+Rough Turned
Size:90mm-800mm
Melting process; EAF+LF+VD

 Hot forged round bars

Specification:S20C

Similar grade:SAE1020,C20

Size:90mm-800mm

Delivery condition; Forged+Normalizing+Rough Turned

Reference standards:JIS G4052,ASTM E45, EN10228-3:1998(Sep1921-84),ASTM E 112,EN10204

Melting process; EAF+LF+VD+Ingot casting(bottom poured)

Chemical compostion;

C:0.17-0.23; Mn:0.40-0.60;Si:0.15-0.35;Cr: ≤0.30;Mo: ≤0.10;

Ni: ≤0.30;S/P<=0.030;

Forging reduction ratio;≥3.0:1,aim for 4:1

grain size;better than 5 As per ASTM E112-96.

Ultra-sonic test;SEP 1921 Group 3 Class C/c or D/d,or E/e;

Length range;4 meter and up or fix length;

Dia. tolerance ;-0/+3mm.straightness: max. 2mm/m.

Other steel grade;

Carbon Steel:S20C,S26C,S35C,S45C,S50C,S55C,S60C;

Alloy Steel:SCM440,SCM420,SCM435,SCM415,SNCM220,SNCM439,SACM 645;

Tool Steel:SKD61.

Mill:Jiangsu Zhuhong Forging Co.,Ltd.