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Grinding Balls for Mining (dia30mm)

Min. Order / Reference FOB Price
20 Ton	US $780.00/ Ton

Local Area:	Jinan, Shandong, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T

Material:	B2 Round Steel Bar
Processing Type:	Rolling Type
Size:	Small

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Product Description

Forged Grinding Ball
Material: 60MN, B2
1. Size from dia 25mm to dia 180mm.
2. Chemical Composition(%): 60MN C: 0.52-0.65 Si: 0.15-0.37 Mn: 0.60-1.20 Cr: 0.25max S: 0.04max P: 0.04max
B2: C 0.75-0.85%, Si 0.17-0.35%, Mn 0.7-0.9%, Cr 0.4-0.6%, S 0.035%max, P 0.035%max
3. Hardness: HRC60-65
4. Packing: By steel drums or flexible container bags
5. The grinding balls are widely used in the ball mill for mines, cement plants, power stations, chemical industries, etc.
6. It has the characters of: No breakage, good wear resistance, no deformation, uniformity of the hardness from surface to core.
PRODUCTS
SIZE
HARDNESS
CHEMICAL COMPOSITION
1) 65Mn Forged grinding ball
25mm-180mm
HRC55-65
C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04Max; Cr: 0.25Max
2) B2 Forged grinding ball
25mm-180mm
HRC60-68
C: 0.75-0.90; Si:0.17-0.37; Mn:0.7-0.9; P: 0.035 MAX; S: 0.035MAX; Cr:0.40-0.70.
3) High chrome cast grinding ball
12.7mm-120mm
HRC58-65
Cr:11-27; C: 2.0-3.0; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max;
4) Low chrome cast grinding ball
12.7mm-120mm
HRC47-55
Cr:1-3; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max;
5) Medium chrome cast grinding ball
12.7mm-120mm
HRC47-60
Cr:4-10; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max;