Forged Steel Grinding Media Ball with Low Breakage Rate High Well Abrasive Resistance for Mineral

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25MTS m.t.
Supply Capability:
200000MTS/Year m.t./month

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Product Description:

Specifications of Forged Steel Grinding Media Ball with Low Breakage Rate High Well Abrasive Resistance for

Mineral Processing:

 

1.Forged steel ball for grinding coal in power plate
2.Diameter:20~150mm
3.HRC:50~65
4.Material:steel
5.ISO9001:2008

 

Specific Characteristics of Forged Steel Grinding Media Ball with Low Breakage Rate High Well Abrasive

Resistance for Mineral Processing:

 

1. The overall high hardness: the hardness can reach 55-67HRC, volume hardness reaches 50-63HRC, and the average hardness gradient distribution.

2. The impact toughness can reach  12J/ cm .

3. Low broken rate: crush resistance is the general casting grinding ball 10 times, ball impact more than 20000 times the number, the breakage rate of not more than 1%.

4. No deformation:  Forged steel grinding balls not roundness from beginning to the end.

 

Chemical Composition of Forged Steel Grinding Media Ball with Low Breakage Rate High Well Abrasive Resistance for Mineral Processing:

 

Model

 

Material

Chemical Composition 

C

Si

Mn

Cr

S

P

HRC

 CNBM-A

45#

0.42-0.5

0.17-0.37

0.5

0.25

-

-

>=45

CNBM-B

50Mn

0.48-0.56

 

0.17-0.37

 

0.6-0.8

0.25

-

-

>=50

CNBM-C

60Mn

0.57-0.65

 

0.17-0.37

0.7-1.0

0.25

-

-

>=58

CNBM-D

 65Mn

 0.62-0.70

 

0.17-0.37

 

 0.9-1.0

 0.25

 -

 -

 >=62

 CNBM-1

 RCAB-1

 0.52-0.65

 

0.17-0.37

 

 0.6-1.2

 0.25

MAX

 0.035

MAX

 0.035

 >=50

CNBM-2

 RCAB-2

 0.50-0.80

 0.17-0.37

 0.6-0.8

 0.9-1.1

 0.035

MAX

 0.035

MAX

 >=58

CNBM-3

 RCAB-3

 0.72-0.92

 0.17-0.37

 0.7-1.0

0.5-0.9

 0.035

MAX

 0.035

MAX

 >=65

CNBM-E

 40Cr

 0.37-0.45

 0.17-0.37

 0.5-0.8

 0.8-1.1

 >=55

 

 

Forged Steel Grinding Media Ball with Low Breakage Rate High Well Abrasive Resistance for Mineral

 

Forged Steel Grinding Media Ball with Low Breakage Rate High Well Abrasive Resistance for Mineral

 

Forged Steel Grinding Media Ball with Low Breakage Rate High Well Abrasive Resistance for Mineral

 

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Q:What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?
The main content of red sand table (Institute of soil science, China) silica 79.4%. three 1.48%. three 10.55%. two aluminum oxide iron oxide, calcium oxide 0.85%. Magnesium Oxide 0.52%. 1440. refractory mud 3.06% LOI 1.98% red sand with high silicon content, permeability is strong, durable, high refractoriness, good angle, low moisture content, less mud the casting finish is high, the basic requirements of sand should meet the following requirements: Casting of high purity and cleanliness, with silica sand as an example, iron sand SiO2 content of more than 90%, the big steel casting requests the SiO2 content of more than 97%; the high refractoriness and thermal stability; the suitable particle the shape and particle composition; it is not easy to be wetted by the liquid metal; cheap. The particle shape and composition of casting sand particle shape and particle composition permeability properties such as mobility, sand compaction, permeability, strength and resistance to liquid metal effects, is an important indicator of the quality of casting sand.
Q:Why do cheap cars like stamping parts instead of casting parts?
Separation process is also called blanking, the purpose is to make the stamping parts along a certain contour line from the sheet metal separation, at the same time guarantee the quality requirements of the separation section. Stamping is a highly efficient production methods, the use of compound die, especially the multi station progressive die stamping process can be completed in a multi machine, realized by belt uncoiling, leveling, punching, forming and finishing automatic production. High production efficiency, good working conditions, low production costs, can produce hundreds of parts per minute. The purpose of forming processes is to allow the sheet to undergo plastic deformation without breaking the billet and to make the desired shape and size. In actual production, a variety of processes are often applied to a workpiece. Blanking, bending, shearing, drawing, bulging, spinning, and straightening are the main types of stamping machines.
Q:What are the design considerations for casting parts?
(3) to prevent generating white grey cast iron, in addition to taking measures from the process, must make the wall thickness is not too thin (some sources indicate that the corner wall thickness above 15mm, metal type casting must be in the corner, for Aluminum Alloy, magnesium alloy casting casting casting Create fillet should not be less than 3-4m, for casting round cast iron, copper alloy mould casting can see table 1.1-32 selection; (5) because of the metal and the core without let, for the convenience of the casting is taken out and the draw out type, slope casting casting should be suitably large than sand casting metal casting. General 30%-50%, it should be pointed out that in addition to the height of the slope of casting size and alloy type, wall, is also related to the casting surface position, where the cooling and contraction and metal surface of casting surface can be designed from the tendency of small inclination, while casting shrinkage tend to be pressed on the surface of metal castings the type should be given greater inclination, all kinds of metal type alloy casting casting casting.
Q:What are the casting parts used to test shrinkage holes?
2. x ray. This method can do nondestructive testing, but the cost is higher. Generally, high castings are required.
Q:General aluminum alloy die casting or casting box and other parts,
Single for this problem, the direct casting out of course good. But many times because of the limitations of the process, so we choose the post-processing hole
Q:How about casting parts for a year?
There are various casting stresses after casting, which can be divided into two kinds: thermal stress and shrinkage stress. In a long time placed in the atmosphere, called aging treatment.Aging treatment is an effective measure to eliminate casting stress. Aging is divided into natural aging, thermal aging and resonance aging.1, the so-called natural aging, the casting is placed in the open field for more than half a year, so that the internal stress relief.
Q:The casting sand is going on
Dispersed sand inclusion is common on the surface and subcutaneous of steel castings, often concentrated on the outer surface of the upper box and the inner surface of the lower case, and a few of them are inside the cast steel parts.
Q:What are the factors affecting the machining process of the casting material and structure?
As for the metallographic structure, usually the finished products after casting are treated by heat treatment. The mechanical properties of the carbon steel after heat treatment (quenching and tempering) are detected. The stainless steels are treated by heat treatment (solid solution, etc.) and the metallographic structure is analyzedThere is a lot of talk and a bit of confusionIf you have a specific brand, you can search for Baidu or buy tools
Q:How to get rid of casting sand inside casting parts?
Are you saying that in the sand casting cavity? We use the manual blast, he is like a pipe will be automatic shot out of the grit, into the casting cavity, to remove the internal cavity in the purpose of casting sand!
Q:In theory, which is more expensive, forging parts or casting parts?
It depends on the structure. In theory, the shape of the forging is relatively simple, but the requirement of internal structure is relatively high
CGB, one of the largest manufacturers and exporters of grinding steel balls and decorative wrought iron products in China. Our annual production output is 100,000 metric tons. Our products are mainly exported to the USA, Canada, Chile, Peru, South Africa, Italy, Greece, Korea and Japan, more than 30 countries and regions in the world.

1. Manufacturer Overview

Location Shandong,China
Year Established 2000
Annual Output Value US$5 Million - US$10 Million
Main Markets Domestic Market, South Asia, Southern Europe, Northern Europe, Central America
Company Certifications ISO9001;IS014001 Certificate

2. Manufacturer Certificates

a) Certification Name  
Range  
Reference  
Validity Period  

3. Manufacturer Capability

a)Trade Capacity  
Nearest Port Qingdao Port
Export Percentage
No.of Employees in Trade Department 10-20 People
Language Spoken: English;Chinese;
b)Factory Information  
Factory Size: Above 100,000 square meters
No. of Production Lines Above 10
Contract Manufacturing Grinding Balls; Grinding Rods; Grinding Cylpebs.
Product Price Range Average