• Model NO.：40-120mm
• Length：2m -- 6m
• Diameter：40-140mm
• Transport Package：Bundle
• Specification：Dia. 40-120mm, Length. 2m-6m
• Trademark：HM
• Origin：China
• HS Code：73261100
• Production Capacity：150, 000 Mt,Year

Nominal Diameter(mm)Dimensional Tolerance(mm)Roundness %Φ20±2  ≤6Φ25±2   ≤6Φ30±2   ≤5Φ35±2   ≤5Φ40±2   ≤5Φ50+3,-1   ≤4Φ60+3,-1   ≤4Φ70+3,-1   ≤4Φ75+3,-1   ≤4Φ80+3,-1   ≤4Φ90+4,-2   ≤4Φ100+4,-2   ≤4Φ120+4,-2   ≤4Φ125+4,-2   ≤4Φ130+ 4,-2   ≤4Φ140+4,-2   ≤4Φ150+4,-2  2. Specification of  Grinding Rod
AS in the following sheet.
1) Size: Dia. 40 - 120mm, Length 2000-6000mm
2) Hardness: HRC 45-55
3) Chemical elements(%):
C: 0.48-0.85, Si: 0.15-0.37, Mn: 0.7-1.0, P: 0.035 MAX, S: 0.035 MAX
5. Certification and patent
   Our company has obtained ISO 9001 International Quality System Authentication, ISO14001 Environmental System Management Authentication and ISO18001 occupational health and safety certification, safety standardization identification, clean production enterprise certification.
 
6.Cooperative Partner

 80% of our products are exported ,and we are keeping close cooperation with many  large companies. 7. Credibility
 
 
Our company has won the "Shandong Province Famous Brand", "Shandong Famous Trademark" ,"Leading Forged Steel Ball Manufacturer in China ", "High-tech Enterprise "and "Contract Abiding and Promise Keeping Enterprise",etc.
 Diameter(mm)Surface HardnessImpact Test(Ak)Tensile Strength40-140mm45-55 ≥ 12 ≥ 1000