Cement Grinding Ball from CNBM China in Good Price

Ref Price:
$0.85 - 1.50 / m.t.
Loading Port:
Qingdao
Payment Terms:
TT or LC
Min Order Qty:
1 m.t.
Supply Capability:
10000 m.t./month

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Product Description:

Packaging & Delivery

Packaging Details:

(1) Steel Drums(with Pallet):   800-950KGS/Drum (2) Container Bags: 1000KGS/Bag (3) According to clients

Delivery Detail:

Within 6-14 days

Specifications

1.Grinding Ball Dia17-150mm
2.Wear-resistant,High impact value
3.High combined efficiency
4.Hardness 55-67HRC
5.Low breakage

150MM Grinding Ball For Mine and Cement Plant

1.Feature:

1) High Hardness: surface hardness is to 55-68 HRC and volume hardness is to 50-63 HRC

2) High Impact Toughness: impact toughness is more than 12 J/cm2.

3) Low Broken Rate: the actual broken rate is not higher than 1%.

4) Even Wear-resistance: the loss of ball round rate is low.

2.Chemical Composition of Forged Grinding Ball

Based on material,the forged steel balls are defined into 7 brands. And The chemical composition is shown in the following:

Brand

Material

C

Mn

Si

Cr

S

P

V

TITLE-1

50MN

0.48-0.56

0.70-1.0

0.17-0.37

≤0.25

≤0.035

≤0.035

TITLE-2

60MN

0.57-0.65

0.70-1.0

0.17-0.37

≤0.25

≤0.030

≤0.030

TITLE-3

65MN

0.60-0.70

0.90-1.20

0.17-0.37

≤0.25

≤0.030

≤0.030

TITLE-4

75Mn

0.72-0.92

0.90-1.20

0.17-0.37

≤0.25

≤0.030

≤0.030

TITLE-5

75MnCr(B2)

0.70-0.85

0.7-1.20

0.17-0.37

0.4-0.8

≤0.030

≤0.030

TITLE-6

75SiMn

0.70-0.90

0.7-1.2

0.4-0.8

≤0.25

≤0.030

≤0.030

TITLE-7

Wear-resistant Alloy

0.5-0.65

0.4-1.0

1.4-1.8

0.9-1.2

≤0.030

≤0.030

0.1-0.2

3.Chemical Composition of Casting Grinding Ball

Based on material,the casting steel balls are defined into 6 brands. And The chemical composition is shown in the following:

Name

Model

Material

C

Si

Mn

Cr

S

P

TITLE-8

High Chrome

Cr-22-32%

2.0-2.8

≤1.0

0.5-2.0

22-32

≤0.01

≤0.01

TITLE-9

Cr-17-22%

2.0-2.8

≤1.0

0.5-2.0

17-22

≤0.01

≤0.01

TITLE-10

Cr-14-17%

2.2-3.0

≤1.0

0.5-2.0

15-17

≤0.01

≤0.01

TITLE-11

Cr-10-14%

2.2-3.2

≤1.0

0.5-2.5

11-14

≤0.01

≤0.01

TITLE-12

Medium Chrome

Cr-5-10%

2.1-3.2

≤1.2

0.5-1.5

5-10

≤0.01

≤0.01

TITLE-13

Low Chrome

Cr-1-5%

2.2-3.5

≤1.2

0.5-1.5

1-5

≤0.02

≤0.02

4.Specification of Grinding Ball

 

Cement Grinding Ball from CNBM China in Good Price

Cement Grinding Ball from CNBM China in Good Price

 

                                    

5.Specification of Casting Grinding Ball

1)High chrome cast balls
Size: 20mm-150mm

Hardness:HRC58-65; Chrome content:11-14%
2)Low chrome cast balls
Size: 20mm-150mm
Hardness:HRC45-55; Chrome content:1-5%

6.Main Process of Forged Steel Ball

 

(1)Raw material.(2)Cutting.(3)Heating.(4)Forging.(5)Quenching.(6)Tempering.(7)Testing.(8)Qualified Products.(9)Packing

7.Main Process of Casting Grinding Ball

(1)Raw material.(2)Scientific Proportioning.(3)Electric Furnace Smelting.(4)Assay Before Furnace.(5)Mould Forming.(6)Polishing.(7)Heat Treatment.(8)Qualified Products.(9)Packing

8.Applied Field

1).Cement Plants 2).Mines 3).Power stations 4).Chemical Industries 5).Grinding Mill, Ball mill, Coal mill

9. Products Name

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10. Packaging

(1) Steel Drums(with Pallet): 800-950KGS/Drum

Cement Grinding Ball from CNBM China in Good Price

 

FAQ:

1.    Q:Are you a manufactory or trading company?

A:We are a professional manufactory with 12 years’ experience and 2 years of export experience, covers an area of 30 acres.

2.    Q: May I know your MOQ request?

A:MOQ is 1 TON. 

3.    Q: Could you offer free sample?

A:We can provide free samples to you for quality testing.

4.    Q: Does your product is dangerous merchandise?

A: Not dangerous merchandise, It belongs to Not legal Inspection merchandise.

5.    Q: What about your packing?

A: Liquid in IBC tank or Flexitank;Powder in woven bags. 

6.    Q: How about your productive capacity?

A: 900000 tons/Year.

7.    Q: What is your export port?

A: China main port.

8.    Q: What is your delivery time?

 A: Within 7 days after received advanced payment.

9.    Q: Can you print logo or label on packing as customer request?

A: Yes, we can customize according to your requirements. 

 

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Remaining: 4000 characters

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Q:Casting parts have poor surface finish. What sand is used to make them?
V casting, EPC, precision casting of the surface is good.
Q:What's the density of casting?
Uneven casting density is caused by uneven shrinkage of the casting during solidification.
Q:Does anyone know how to make precise casting parts for aerospace or manufacturers of single and small quantities of automotive parts and components, mainly in Beijing, Tianjin and Tangshan?
List of China's military enterprises list of ten major military groupsChina Nuclear Industry Construction Group CorporationChina Aerospace Science and Technology CorporationChina Aerospace Science and Engineering CorporationChina Aviation Industry CorporationChina Aviation Industry Corporation IiChina State Shipbuilding CorporationcsicChina North Industries Group CorporationChina South Industries Group CorporationChina National Nuclear CorporationKey military enterprisesShipbuilding industry:China State Shipbuilding Corporation (South ship group), (China Shipping Group)China Shipbuilding Industry Corp (North Ship group), (China Shipbuilding Industry)Guangzhou Shipyard International Limited by Share Ltd (GSI)Jiangnan Heavy Industry Limited by Share Ltd (Jiangnan Heavy Industry)Nuclear industry:China National Nuclear Corporation (CNNC)China Nuclear Industry Construction Group Corporation
Q:Heat treatment process and purpose of casting parts
Methods: artificial aging or natural aging (also called normalization) treatment.Artificial aging: heating to 2-3 Baidu, it is best to apply mechanical vibration, and maintain a period of time.
Q:How much is the casting allowance in the design of the casting machine and the drawing?
Casting parts do not need to provide drawings of casting blank, the casting factory according to your drawings in the required surface will be sufficient allowance, and the rest of the size according to the mechanical design manual and the casting manual can be found.
Q:General aluminum alloy die casting or casting box and other parts,
You need to confirm what you use tap processing, so as to determine the size of the casting hole
Q:Is 316 casting better than 304 casting?
The degree of difficulty in the process of casting depends mainly on the structure, precision requirements, and hardness of the casting.
Q:What is normalizing, annealing, tempering, quenching? What is the difference between forging parts and casting parts?
The aim is to make the grain fine and distribute the carbide evenly. The difference between normalizing and annealing is that normalizing cooling rate is slightly faster than annealing cooling rate, so normalizing structure is finer than annealing structure, and its mechanical properties are also improved. In addition, normalizing furnace cooling does not occupy equipment and has higher productivity. Therefore, normalizing may be used instead of annealing as much as possible. The main application areas of normalizing are as follows: for low carbon steel, after normalizing, the hardness is slightly higher than that of annealing, and the toughness is better. It can be used as the pretreatment of cutting. Used for medium carbon steel, instead of quenching and tempering, as the final heat treatment, or as an induction heating method before surface hardening. Used for tool steel, bearing steel, carburizing steel, etc., it can eliminate or restrain the formation of network carbide, so as to obtain the good organization of spheroidizing annealing. For cast steel, the microstructure can be refined and the machinability can be improved. Used for large forgings, which can be used as final heat treatment, so as to avoid larger cracking tendency during quenching.
Q:Which surface is coarser for cast iron or cast steel castings? Why?
The surface of the steel is more rough, because the coating sand cast steel cast iron particles compared with graphite coating degree, the other one is to get a better air permeability and collapsibility of sand, the compaction degree is smaller than iron. Roughness mainly depends on the surface roughness on the surface of the sand.
Q:Why does the surface of stainless steel casting mirror mirror ripple?
Those should be head prints. If required, it would be better to throw with a single grinding head.

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