DIA110-140mm HRC55-60 HRC52-58
Steel ball series (casting ball)
chemical composition
Name, brand, chemical composition
C Si Mn Cr Mo Cu Ni P S
High chromium iron casting ball, ZQCr26 2.0-2.8 ≤1.0 0.5-2.0 22-28 0-1.0 0-2.0 0-1.5 ≤0.1 ≤0.06
high chromium iron casting ball ZQCr20 2.0-2.8 ≤1.0 0.5-2.0 18-22 0-2.5 0-1.2 0-1.5 ≤0.1 ≤0.06
High chromium iron casting ball ZQCr15 2.5-3.2 ≤1.0 0.5-2.0 10-17 0-3.0 0-1.0 0-1.5 ≤0.1 ≤0.06
Medium chromium iron casting ball, ZQCr8 2.1-3.2 0.5-2.2 0.5-2.0 6-10 0-1.0 0-0.8 0-1.5 ≤0.1 ≤0.06
low chromium iron casting ball ZQCr2 2.2-3.6 ≤1.2 0.5-2.0 1-3 0-1.0 0-0.8 ≤0.1 ≤0.10
Bainite ball milling cast iron grinding ball ZQSi3 3.2-3.8 2.0-3.5 2.0-3.0 ≤0.1 ≤0.03
