1020
1.Hardness of annealing:
HBS=137~269
2.chemical composition
C P Cr Si Mn Ni
0.42~0.48 0.03(Max) 0.20(Max) 0.15~0.35 0.6~0.9 0.20(Max)
3.Regular specifications :
round bar
diameter(mm) length(mm)
10~600 2000~5700
flat steel
Thickness(mm) width(mm) length(mm)
8~700 205~1000 2000~6000
4. Process of Production
EAF+LF+VD+ESR+Forged or hot rolled+Heat Treatment(optional)

5. Condition of Surface
black/ rough machined/ turned/milled

6. Inspection
Ultrasonic Test , according to SEP1921 D/d or as your requirements
7. Technical Data :
According to the customer's requirement of Chemical Composition, MechanicalProperties. Material details will be as per agreed technical specifications
8.Applications
Used for making mould bottoms,plastic mould , normal mechinery parts and so on