60mm Grinder Balls for Silver Ore Mine Mineral Processing

60mm grinder balls for silver ore mine mineral processing, impact toughness:≥14 J/CM2, surface hardness: 60-63HRC and volume hardness: 59-62HRC.

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60mm Grinder Balls For Silver Ore Mine Mineral Processing Introduction
60mm grinder balls for silver ore mine mineral processing, impact toughness:≥14 J/CM2, surface hardness: 60-63HRC and volume hardness: 59-62HRC.

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Technical Datas
Application: 60mm Grinder Balls For Silver Ore Mine Mineral Processing, mostly used in all types of ball mills.
Grinding ball size range: From 25mm(1 inch) to 125mm(5 inches)
Original: Jiangyin, Jiangsu, China
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Price: Negotiable
Material: Alloy Steel
Payment term: TT, LC
Delivery date: Negotiable

Packing: Plastic Ton Bag, 1000Kgs Each Bag, or, Iron Drum
Market: Worldwide
Min Order Quantity: 100 Tons Each Ball Size

Steel Rod Type: B3, Chemical Comments
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
Grinder Balls For Silver Ore Mine Mineral Processing Quality Performance
Ball Size	Surface Hardness	Core Hardness	Volume Hardness	Impact Toughness
60mm	60-63 HRC	58-61 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

FAQ
1.What is your production method on grinding ball size from D25MM-D100MM ?
A: Our method is hot rolling (Hot Scew Rolling).
2.What is your production method on grinding ball size from D100MM – D140MM ?
A: Our method is quick hammer at first to get a "ball shape", then use rolling machine to make the ball get even roundness.

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