60mm Forged Steel Ball for Iron Ore Mine

60mm forged steel ball for iron ore mine, your best choice for iron ore mine mineral processing. The higher and even hardness grinding balls can save your ball consumption around 15-20%.

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Introduction
60mm forged steel ball for iron ore mine, your best choice for iron ore mine mineral processing. The higher and even hardness grinding balls can save your ball consumption around 15-20%.
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Technical Datas
Application: fit for different types ball mill.
Price: Negotiable
Payment term: TT, LC
Delivery date: Negotiable
Packing: ton bag or Iron drum
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Original: Jiangsu, China
Major Market: Worldwide
Min Order Quantity: 2x20'GP per Each Ball Size
Ball Size Range: 25mm to 125mm (1" to 5")
Details quality performance

Steel Rod Type: B3, Chemical Comments (Forged Steel Ball For Iron Ore Mine)
C	Si	Mn	P	S	Cr
0.61-0.65	1.73-1.80	0.73-0.80	≤0.020	≤0.015	0.80-0.88
Ni	Cu	Mo	Alt	V
≤0.25	≤0.20	/	/	/
60-90mm Forged Steel Ball For Iron Ore Mine Quality Performance
Ball Size	Surface Hardness	Core Hardness	Volume Hardness	Impact Toughness
60mm	61-63 HRC	59-61 HRC	59-62 HRC	≥14 J/CM2
70mm	61-63 HRC	59-61 HRC	59-62 HRC	≥16 J/CM2
80mm	61-63 HRC	59-61 HRC	59-62 HRC	≥18 J/CM2
90mm	61-63 HRC	59-61 HRC	59-62 HRC	≥20 J/CM2

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