Cast iron grinding balls DIA 30MM

Specifications

1. High hardness
2. Good wear resistance
3. Unbreakable
4. High impact toughness
5. Cast iron grinding balls DIA 30MM

High chrome alloy casting grinding ball

Application: mainly used for mining industry, cement plant, power station, etc.

Abrasion: about (10-50) g/t in cement

Characteristics:

Xin nanfang has the unique automatic production line of grinding cylpebs in China, which is independently researched and self-developed by xin nanfang’s R&D center. With the self-developed raw materials and special heat treatment system, xin nanfang’s cylpebs achieve good properties, such as high hardness, martensite or bainite metallographic structure and good wear resistance, etc.

 

Why choose us?

1.Where the advantages of our products ?

High hardness, good wear resistance, low broken rate, can greatly reduce the production cost.

2.How many high and low chromium ball breaking rate and single warehouse receipt consumption?

High chromium  broken rate less than equal to 0.5% 

Single warehouse receipt consumption 18g/T for cement

Low chromium  broken rate less than or equal to 3% 

Single warehouse receipt consumption 50g/T for cement 

3.Quality assurance checking or testing

shop self-inspection

b.quality inspection, 

c.lab final inspection

 

 Our products as follows: 

1. Grinding casting balls with diameters from 20mm to 180mm
2. High, medium, and low chrome alloyed cast grinding balls with diameters from 15mm to 120mm

 

3.High, medium, and low chrome cast grinding cylpebs

 

4.Alloyed steel casting series 

 

5.Alloyed capsule ball.

 

The process of grinding casting alloyed ball:

 

2.Mechanical Properties 

 

Items	Brand	Surface hardness(HRC)		Endurance impact test(Times)
		Quenched	Unquenched
High chrome casting alloyed  ball	ZQCr20	≥56	≥45	≥8000
High chrome casting alloyed ball	ZQCr15	≥56	≥45	≥8000
High chrome casting alloyed ball	ZQCr13	≥56	≥49	≥8000
Middle chrome casting alloyed ball	ZQCr7	—	≥48	≥8000
Low chrome casting alloyed  ball	ZQCr2	—	≥45	≥8000
Bainite ductile casting alloyed ball	ZQSi3	≥50	—	≥8000

 

4.Product performance: High hardness, Unbreakable, Good wear-resistance, Low consumption rate, Uniformity of hardness from surface to core.

5.Application fields:Industries of cement building material,metallurgical selection in mine,grinding

 coal in power plant,chemical industry and machinery,etc.