high-tech 20mm chromium alloy cast grinding balls from China manufacturer - Ningguo Dongfang Wear-Resistant Material Co.,Ltd

high-tech 20mm chromium alloy cast grinding balls

Price:	1100.0~1700.0 USD
Payment Terms:	T/T,L/C
Place of Origin:	Anhui, China (Mainland)


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Product Detail

Means of Transport: Ocean

Packing: bulk bag/metal pail

Brand Name: DONGXU

size: dia 20mm

function: grinding media

application devices: ball mills

microstructure: P+C

Production Capacity: 50,000tons

Delivery Date: 1 month

production process: cast

chrome percentage: 0.8-2.2%

material: steel scrap

specification: customised

1.high-tech 20mm chromium alloy cast grinding balls
2.customised products
3.dia 20mm for fine grinding
4.rigorous quality control

Introduction of the 20mm low chrome cast grinding balls

1.Mechanical character

HRC	Impact Value(j/cm²)	metallurgical structure	Falling Times
≥45	≥2.0	P+C	8000

2.Chemical composition

C	Si	Mn	Cr	P	S
2.2-3.5	≤1.2	≤0.3-1.5	0.8-2.2	≤0.1	≤0.1

3.Picture of the high-tech 20mm chromium alloy cast grinding balls

4.Heat treatment

Heat treatment is the key step of the whole production process.In the R&D practice,Dongfang invents

Application Method for Warm Period Timing Quenching in Grinding Materials Heat Treatment and other skills.

Machine oil is used to quench,making workpiece heated evenly,promoting the first formed carbide decompose

once again and then forming uniformly distributed reticular carbides in the matrix.

Due to the unique heat treatment process, grinding medias obtain the required hardness and metallurgical

structure,and the hardness gap between core and surface is less than 1.5 HRC.

5. Products quenching

6.Package of metal pail

Shipment

1.Usually we ship your order by sea.

2.We'll tell you the shipping status once your order has been sent.

Payment

30% advanced payment, 70% before loading. We accept T/T, L/C.etc.

As a leading supplier,Ningguo Dongfang Wear-Resistant Material Co.,Ltd is a comprehensive

high-tech enterprise specialized in research, production, sales and service of grinding media.

Total assets is about 160 million RMB while production capability is more than 50,000t. And now

we sincerely hope that any customer who has interest on our products come to negotiate business

with us.

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