Oriental is a leading producer of high chrome and forged Grinding Media Steel Balls

Supplied to the platinum, copper and gold mining industries.

Application:

• Mine
• Grinding Coal In Power Plant.
• Cement Plant
• We serve the global mining industry

Chemical composition:

Material	C	Mn	Si	Cr	S	P
50MN	0.48-0.56	0.70-1.0	0.17-0.37	0.25 max	0.035max	0.035max
60MN	0.57-0.65	0.70-1.0	0.17-0.37	0.25 max	0.035max	0.035max
65MN	0.60-0.70	0.90-1.20	0.17-0.37	0.25 max	0.035max	0.035max
75Mn	0.72-0.92	0.17-0.37	0.7-1.0	0.4-0.6	0.035max	0.035max
75MnCr	0.70-0.85	0.7-0.8	0.17-0.37	0.2-0.7	0.03 max	0.03 max
75SiMn	0.70-0.90	0.7-1.2	0.4-0.8	0.25 max	0.03 max	0.03 max

Specifications:

Impact Test AK.J/cm2	Endurance Test Times (5m)	Dia 25mm-60mm		Dia 70mm-100mm
		Surface	Core	Surface	Core
50MN	≥12	≥10000	≥56	≥35	≥56	≥28
60MN	≥13	≥10000	≥58	≥38	≥58	≥29
65MN	≥15	≥12000	≥60	≥42	≥60	≥30
75MnCr	≥17	≥12000	≥60	≥52	≥60	≥50
75 SiMn	≥16	≥12000	≥60	≥50	≥60	≥48

Raw Material:

Strict quality control of steel material from BIG STEEL FACTORY GROUP.You know the good grinding balls quality depends on the good raw material.

Prodcution Line:

1.Traditional Hammer Forging: Raw material-Cutting-Heating-Forging-Quenching-Tempering-Testing-Packing

2. Hot Rolling

Testing:

Quality control for each production shift (4hours/Shift);

Hardness, chemical elements and impact testing after production for each production shift;

SGS –third party testing before each delivery

Packing:

Container bags(Net weight:1000KGS) or Steel drums(850-900KGS) or in clients' requirements

• Quick details:
  • Application: mines, power station, cement plant, metallurgical
  • Material: steel
  • Dimensions:?20-90mm
  • Hardness: 45-65HRC
  • Loss roundness rate: ≤1%
  • Wear: 0.02-0.8kg/ton ore
  • Microstructure: M+C
  • Impact value: AK.12-15J/cm^2
  • Diameter tolerance: ±1mm
• Specifications:
  1. High hardness ball
  2. Good wear resistance
  3. Low breakage rate
  4. High impact value
  5. ISO 9001:2008

Our Services

1. Free samples for your test before orders;

2. Soonest delivery time ;

3. Cooperate with many famours shipping companies,and sent the goods to your port safe and in time;

4. Any feedback after sales would get our soonest reply.