• Transport Package：in Bundle, in Bulk
• Surface：Black,Bright
• Length：3-12m
• Third Party Inspection：SGS, Ccic etc.
• Loading Port：China Main Port
• Processing：Eaf+Lf+Vd
• Main Grade：S10c S20c S35c S40c S45c S55c
• Dimension：18-80mm
• Special Use：Mold Steel
• Model NO.：KM-1013
• Specification：ASTM, JIS, GB
• Trademark：Kingmetal
• Origin：Made-in-China
• HS Code：72283090
• Production Capacity：2500000 Tons,Year

C
Si
Mn
S
P
Cr
Ni
Mo
0.42~0.50
≤0.40
0.50~0.80
≤0.045
≤0.045
≤0.40
≤0.40
≤0.10
 
Equivalent Grade:
 
GB
DIN
NF
SS
JIS
BS
AISI
 ISO
45#
1.0503
C45
1650
S45C
IC45/080A47 
1045
C45E4  
Size Range
             Round bar    Diameter(mm)    Length (mm)      16mm-80mm    3000~6000              Plate    Thickness(mm)     Width (mm)      Length (mm)       Max:800    205~800  2000~4000                                                  The specification can be customized. Chemical compositon(%) of 4140 Steel Round Bar     Standard   C  Mn  SiCr    Mo   P       S      NumberNi 
 
 
   GB42CrMo    0.38~0.45  0.50~0.8  0.17~0.37  0.9~1.2  0.15~0.25  ≤0.035  ≤0.035≤0.3  AISI4140  0.40~0.45  0.75~1.0  0.15~0.35  0.8~1.1  0.15~0.25  ≤0.035  ≤0.040
   JISSCM440  0.38~0.43  0.60~0.9  0.15~0.35  0.9~1.2  0.15~0.30  ≤0.030  ≤0.030≤0.25  EN (DIN)1.7225  0.38~0.45  0.60~0.9  ≤0.40  0.9~1.2  0.15~0.30 ≤0.025  ≤0.035
 ISO42CrMo4   0.38-0.420.15-0.300.10-0.400.9-1.20.60-0.90≤0.025≤0.035