High Hardness Steel Grinding Ball

1.Material:steel 2.Diameter:20mm-150mm 3.Applied fields:mines,cement plants.chemical industries,etc. 4.Quickly delivery time

As the raw material in producing steel balls is high quality alloy steel, we can assure the high hardness and good wear resistance of the products.

A. High Hardness Forged Steel Grinding Ball:

1.60Mn  Forged Grinding BallDiameter: 20mm-150mmHardness: HRC 53-62Chemical elements:Cr: 0.25max C: 0.55-0.65 Si: 0.17-0.37 Mn: 0.7-1.0 S&P: 0.04max 

2.65Mn Forged Grinding BallDiameter: 20mm-150mmHardness: HRC57-63Chemical elements:Cr: 0.25max C: 0.62-0.70 Si: 0.17-0.37 Mn: 0.9-1.2 S&P: 0.035max 

3.75MnCr Forged Grinding BallDiameter: 20mm-150mmHardness: HRC60-65Chemical elements:Cr: 0.4-0.6 C: 0.72-0.92 Si: 0.17-0.37 Mn: 0.7-1.0 S&P: 0.04max

4.60Si2CrV Forged Grinding BallDiameter: 20mm-150mmHardness: HRC60minChemical elements:Cr: 0.9-1.2 C: 0.56-0.64 Si: 1.4-1.8 Mn: 0.4-0.7 S & P: 0.03max

B. High Hardness High Chromium Cast Grinding Ball

NAME	BRAND	CHEMICAL COMPOSITION
		C	Si	Mn	Cr	Mo	P	S
High Chromium	ZQCr26	2.0-3.4	≤1.2	≤1.5	22-28	≤1.5	≤0.10	≤0.10
Casting Ball	ZQCr20	2.0-3.4	≤1.2	≤1.5	17-22	≤1.5	≤0.10	≤0.10
	ZQCr17	2.0-3.4	≤1.0	≤2.5	15-17	≤1.5	≤0.10	≤0.10
	ZQCr13	1.7-3.4	≤1.0	≤2.5	11-14	≤1.5	≤0.10	≤0.10

Or chrome content as per buyer’s requirement.

Mechanical properties and microstructure

MAME	BRAND	HARDNESS		IMPACT VALUE	METALLOGRAPHIC	BALLS
				ak(J/cm2)	ORGANIZATION	FATIGUE LIFE
		QUENCHING STATE(A)	NO- QUENCHING STATE(A)			IMPACT
High Chromium	ZQCr26	≥60	≥45	≥4.0	M+C	≥8000
Casting Ball	ZQCr20	≥60	≥45	≥3.5		≥8000
	ZQCr17	≥60	≥49	≥3.0		≥8000
	ZQCr13	≥60	≥50	≥2.3		≥8000

 

Characteristics:

1) High hardness

2) Good wear-resistance

3) No breaking

4) No mal-roundness

 

Applied fields:

1) Metal Mines

2) Cement plants

3) Power stations

4) Chemical industry

 

Packing:

Container bags  / Steel drums

High Hardness Steel Grinding Ball