Ecvv Trade
Beijing Hot Mining Tech Co., Ltd.

China Manufacturer with main products: Coal Shearer, Mining and Mineral Processing, BSL, Crusher, Filter Press, Vibrating Screen, Metal Detector, Scraper Conveyor

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Grinding Ball

FOB Price: 1.00 - 10,000.00 USD/Bag
Supply Ability: 10,000 Bag/Bags per Month
Payment Terms: L/C, T/T
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe

Quick Details

  • Brand Name: MES

Specifications

Introduction

High chromium alloy grinding ball is widely used in powder preparation and superfine deep processing of industries, such as building materials, mine, chemical engineering, ceramic material, paper-making, magnetic materials. Its surface hardness can up to 65HRC, hardness gradient is evenly distributed. Low wear friction, good toughness, product quality is not lower than the standard GB/T17445-2009, there is no deformation. It increases recovery rate of concentrate and production capacity of mill, prolongs the service life of liner plate of the mill,and reduces the cost of production.

Production Technology 

Medium frequency furnace smelts high quality steel scrap, chromium alloy and other alloy materials first, after micro alloying processing is cast molding with steel model. Constant temperature pouring ensures there is no sand inclusion, stoma, collapse and other quality defects. Heat treatment oil quenching process, quenching and tempering will change internal structure of the ball, reduce the internal stress of sphere,ensure breaking rate to further improve the performance after quenching.Semi-finished  product and finished product adopt advanced spectrum detection to ensure the stability of chemical composition and performance.

Chemical composition  


Name

chemical composition(%)

C

Si

Mn

Cr

Mo

Cu

P

S

Ordinary high chromium ball

2.0-3.3

1.2

0.3-1.5

10-13

0-3.0

1.2

0.1

0.06

Special high chromium ball

2.0-3.3

1.2

0.3-1.5

15-23

0-3.0

1.2

0.1

0.06



Mechanical properties and metallographic structure

Name

Surface hardness

(HRC)

Impact value(J/cm2)

Metallographic structure

Falling ball impact fatigue service life

Ordinary high chromium ball

≥58

≥4

M+C+A

≤Φ80

≥15000

≥Φ80

≥10000

M- martensite     C- carbide    A- retained austenite


Specification

specification(mm)

unit weight

(kg)

quantity(pc/t)

specification(mm)

Unit weight(kg)

quantity(pc/t)

Φ30

0.11

9091

Φ90

2.90

345

Φ40

0.25

3891

Φ100

4.00

250

Φ50

0.50

2000

Φ110

5.30

188

Φ60

0.86

1153

Φ120

6.80

147

Φ70

1.37

729

Φ130

7.70

129

Φ80

2.05

487

Φ140

8.74

114



Service Process

Service Guarantee

  • Free Service Charge

    ECVV doesn't charge any service fee to Buyers for buying this product.

  • ECVV Supply

    ECVV is responsible for supply, and provides product quality inspection, fund supervision and supply chain services.

  • Product Quality Commitment

    ECVV China Sourcing Agent will assess the reputation and supply ability of the factory and conduct field trips to select the high-quality Chinese factories for buyers.

  • Deposit Service Commitments

    In order to improve the quality of service, ECVV will charge for a 100CNY deposit for the agent purchasing order, and the deposit will be part of subsequent purchasing costs.

    After paying a deposit, if the purchasing order is not completed because of unsatisfied ECVV services, ECVV will refund your deposit.

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