80mm High Chrome Casting Grinding Balls

• Casting Method: Sand Casting
• Casting Form Material: Metal
• Casting Metal: Cast Iron
• Casting Form Usage Count: Semi-permanent
• Surface Treatment: Polishing
• Surface Roughness: Ra0.05
• Model NO.: 20mm-150mm
• Coating: Sodium silicate
• Machining Tolerance: 1mm
• Standard: GB
• Certification: ISO 9001:2008
• Breakage Rate: 1% Max
• Surface Hardness: HRC60-65
• Transport Package: Steel Drum / Container Bag
• Specification: ISO9001: 2008
• Trademark: ZW
• Origin: Zhangqiu, Shandong, China
• HS Code: 73261100
• Production Capacity: 30000 Tons

Product Description

High Chrome Cast Iron Ball ,Chrome percent 10%-32%.

We produce 20mm-150mm high chrome cast iron balls ,the chrome percent is according to clients' requirement.
Cast Iron Balls Specification:
 

Name	Material	Chemical elements						Hardness
		C	Si	Mn	S	P	Cr	HRC
Cast iron ball	Special cr1	2.0-3.0	<1.0	0.5-2.0	≤0.06	≤0.06	>20	58-64
	Special cr2	2.0-3.0	<1.0	0.5-2.0	≤0.06	≤0.06	>15	58-64
	High Cr	2.0-3.2	<1.0	0.5-2.5	≤0.06	≤0.06	>10	58-62
	Medium Cr	2.0-3.2	<1.0	0.5-2.5	≤0.06	≤0.06	≥5	48-55
	Low Cr	2.2-3.4	≤1.2	0.5-1.5	≤0.06	≤0.06	1.0-1.5	42-46

Jinan Zhongwei give you the greatest confidence based on the following criteria:

1:            Fair Market Price
2:            Quality and performance of Grinding Media (Balls,Rods,Cylpeb)
3:            Factory production process and facility
4:            Customer base and track record
5:            Management quality

Some of the features that make Jinan Zhongwei stand out are:
1:           Electric furnaces as compared to coal
2:           Steel rods produced by reputable steel mills as compared to some using scrap metal
3:          Proper and orderly factory layout
4:          Reputable customer base
5:         Management team that you felt 'right' with and could work with to meet your needs.

Production Line
Raw material chemical composition and optional proportion-- Melting and pouring-- Oil quenching-- Temper-- Polishing

Packing
1000kgs in a bag or 850-900kgs in a steel drum, then 25 tons in a 20GP Container