SGS verified forged 50mm grinding hot rolled steel balls for ball mill

Price Negotiable

Price: Negotiable

MOQ: 25 tons

Delivery Time: 1-3 weeks after order confirmation

Brand: ZW

Product Description

Manufacturer : Jinan zhongwei

We are ISO Endorsed company with annual output 50000 Tons ,locaed in China.

Our Main products :

We supply forged steel grinding media balls with diamater 20mm-150mm.

We supply hot rolled steel balls with diameter 20mm to 150mm .

We supply casted iron grinding media balls with diamater 20mm-150mm.

We supply grinding rods made by C45 Steel ,60Mn Steel,B2 Steel,B3 Steel.

We supply grinding cylpeb (Cylinder) with High Chrome,Low Chrome,Medium Chrome

Testing Method and Inspection Rules

1. Impact Test

2. Rockwell Hardness Test Specimen Preparation

3. Chemical Composition Inspection

4. Surface Hardness Inspection

5. Internal Quality Inspection

Advantages of Jinan Zhongwei hot rolled steel balls

1.Electric Furnace as compared to coal
2.Fair Market Price
3.Quality guarantee
4.On time delivery

Material	Chemical Elements of hot rolled steel balls
Material	C	Si	Mn	P/S	Cr
45#	0.42-0.50	0.17-0.37	0.5-0.8	<0.035	<0.25
60MN	0.55-0.65	0.17-0.37	0.7-1.0	<0.04	<0.25
B2	0.72-0.85	0.17-0.37	0.7-1.0	<0.04	0.4-0.6
B3	0.5-0.8	1.0-1.8	0.4-1.0	0.035	0.5-1.0

Hardness of hot rolled steel balls

Weight of Jinan Zhongwei hot rolled steel Ball

Norminal Diameter	Diametrical Tolerance(mm)	Approx Weight of Single Ball(kg)	Average Number Per Ton
25mm/1''	+1.5,-0.5	0.064	15625
30mm/1.25''	+1.5,-0.5	0.11	9090
40mm/1.5''	+2.0,-1.0	0.26	3846
50mm/2''	+2.0,-1.0	0.51	1961
60mm/2.5''	+3.0,-2.0	0.89	1124
70mm/2.75''	+3.0,-2.0	1.4	714
80mm/3.25''	+3.0,-2.0	2.1	476
90mm/3.5''	+3.0,-2.0	3	333
100mm/4''	+4.0,-3.0	4.1	244
110mm/4.5''	+4.0,-3.0	5.47	283
120mm/4.75	+4.0,-3.0	7.1	141
130mm/5''	+4.0,-3.0	9.02	111