BEST QUALITY OF CHROME STEEL BALL WITH LOW PRICE

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Tianjin
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10000 pc
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600000 pc/month

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Product Description:

 

High Carbon Chrome Steel Ball For Bearing

1)Material Comparison List

CHINA

USA

JAPAN

GERMANY

FRANCE

ENGLAND

ITALY

GB

AISI

JIS

DIN

BS

BS

UNI

GCr15

52100

SUJ-2

100Cr6

100C5

Si35534A99

SKF3

 

2)Products information

NAME

High carbon chrome steel ball

SIZE

19.05mm-250mm

Materials

GCr15

Hardness

HRC58--66

Application

Auto industry , Wind Power , Slewing bearing , Tower crane,
Marine Machinery, Aerospace Industry , Military industry, Mine
Nuclear power industry, Agricultural machinery, Oil platform,
Chemical Industry

Quality Standard

ISO9001:2008

Characteristics and advantages

We are the only manufacturer of producing over 150mm high carbon chrome steel ball. Our products covered 19.05mm-250mm. Our products of accuracy covered G10-G1000.
We are the only professional manufacturer of producing (3/4
-10) steel ball and (3/4-5) stainless steel ball.
We can accept customer's special requirements.
We are the only manufacturer of producing the large - size steel balls in China.

 

3)Chemical composition

MATERIAL

C

Si

Mn

Cr

Mo

P

S

Ni

Cu

Ni+Cu

GCr15

0.95-1.05

0.15-0.35

0.25-0.45

1.4-1.65

≤0.1

≤0.025

≤0.025

≤0.3

≤0.25

≤0.5

GCr15SiMn

0.95-1.05

0.45-0.75

0.95-1.25

1.4-1.65

≤0.1

≤0.025

≤0.025

≤0.3

≤0.25

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Q:How to judge whether the casting is qualified?
According to the grade of the parts, according to the relevant standards, the regular drawings will be noted in the technical requirements of the parts.
Q:What's the effect of casting copper?
Copper is one of the main corrosion resistant alloys. When the mass fraction of copper in cast iron is from 0.25% to 1%, the corrosion resistance of copper in the industrial atmosphere can be obviously increased. But copper has very little corrosion resistance in lye or salt solution.Copper can increase the flowability of molten iron and improve its casting ability remarkably.Copper can increase the coercive force and residual magnetic force, but the permeability is not affected.Combined use of copper with other alloy elements, such as copper chromium, copper chromium molybdenum, copper molybdenum, copper manganese, copper vanadium, can achieve greater results.
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:Casting parts in rocker arm drilling, reaming, roughness, block.
Radial drilling machine can achieve boring, reaming function, but as much as you want, according to your requirements and material to determine!
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:We are small castings, the need for surface treatment of shot blasting machine, about how much?
The choice of shot blasting machine, this is according to the workpiece size, yield, whether can collision, and the working time and other factors considered, while the price of different blasting machine are not the same, but the vast majority of small castings used crawler shot blasting machine, according to the comprehensive consideration of factors such as yield, size of workpiece commonly used on the market the crawler shot blasting machine has Q324, Q326, Q328, Q3210, and each time the amount of their treatment were 125KG, 200KG, 400KG, 600KG, the specific use of what types also need to be determined according to the actual situation
Q:When the blank is a casting, the margin is evenly distributed, how should rough machining? Twenty
Even distribution is a good thing. Generally, the machining allowance of the casting is uneven.If the processing depends on how your processing techniques have been arranged.In the NC milling plane contour machining, when the rough margin is large, how to deal with.1. Return to the foundry, too large margin improvement.2. Then you can spend more time on it.
Q:What are the design considerations for casting parts?
A: in the design of metal castings in a complex shape, if the production process is very difficult, should not affect the casting conditions, try to make the casting has simple shape, strong structure change, removed from metallic die for.
Q:How to collect exothermic process of casting blank?
Casting, do not need to provide a rough casting foundry drawings, according to your chart will put foot margin in the processing needs of the surface, the rest of the size can be found according to the mechanical design manual and manual casting. General Casting Factory Casting Division will be in your chart marked on shrinkage and processing margin figure (usually with red and green pen) to the patternmaker production of wood or other material mould diagram.
Q:What are the factors affecting the machining process of the casting material and structure?
Medium carbon steel begins, and the casting can not be punched and tapped directlyStainless steel, ordinary grade (Fe based alloy element content, less) can not do heat treatment. But processing small holes or tapping to heat treatment (solution. In practice, the annealing treatment can also be). There are a lot of stainless steel matrix is not to say, for example, nickel, cobalt and tungsten. And so on.

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