Hot Rolled Steel Sphere
Product features:
1. Size: 20-75mm
2. Surface hardness: 60-65hrc center hardness: 57-60hrc or above (different specifications and hardness).
3. Product performance:
Uniform hardness
Non crushing and grinding resistance
High impact value
High comprehensive efficiency of the mill
4. Production process
Shandong jinchi heavy industry co., ltd. is an export enterprise that produces and sells abrasive resistant metal balls. its solid product pleasant is exported to south korea, japan, south africa, america, ghana and different countries and areas all the 12 months round, and is generally praised by using customers.
Specification
Brand | Materials | C | Mn | Si | Cr | S | P | V | |||
JCR-1 | 50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | ||||
JCR-2 | 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | ||||
JCR-3 | 65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 | ||||
JCR-4 | 75MnCr | 0.70-0.85 | 0.7-0.8 | 0.17-0.37 | 0.20-0.60 | ≤0.030 | ≤0.030 | ||||
JCR-5 | Wear-resistant Alloy | 0.5-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 | 0.1-0.2 | |||
Specification of hot rolling steel Grinding balls | |||||||||||
Nominal diameter | Diameteical Tolerance | Weight of single ball in average | Surface hardness | Impact toughness | |||||||
(mm) | (mm) | (g) | (HRC) | (j/cm2 ) | |||||||
Φ20 | +2 -1 | 32 | 60-65 | ≥12 | |||||||
Φ25 | 64 | ||||||||||
Φ30 | 110 | ||||||||||
Φ40 | 263 | ||||||||||
Φ50 | 513 | ||||||||||
Φ60 | +3 -2 | 888 | |||||||||
Φ70 | 1410 | ||||||||||
Φ80 | 2104 | ||||||||||
Φ90 | 2996 | ||||||||||
Φ100 | 4110 | ||||||||||
Manufacturing process flow chart
