BEST QUALITY OF CHROME STEEL BALL WITH LOW PRICE

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Tianjin
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TT OR LC
Min Order Qty:
10000 pc
Supply Capability:
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:Cast iron, casting parts 5
1, qualified enterprises will directly iron ore into molten iron, and then poured into the mold, such a good product performance. I work in the cast iron industry, which I can tell you for sure.2, this, like the Great Wall Motor Company has its own parts production department, as well as the corresponding mold center, so it will be their own casting. If the manufacturer does not have these departments, they can only place orders for others to do.
Q:Tolerance standard for casting parts
Our country has a national standard for casting tolerance levels. This national standard applies to you in malleable iron, grey cast iron, and ductile iron.
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?
We usually say that the stamping is usually refers to the cold stamping parts, for example, a piece of iron, wants to turn it into a fast food dish, it must design a set of mold, mold is working face plate shape, the pressure plate mold, it becomes you want the dishes, this is the cold stamping die stamping is the direct use of metal materials.Automobile stamping parts are mainly classified according to process, and can be divided into two major parts: separation process and forming process.
Q:What is the difference between forging parts and casting parts?
The forging can guarantee the continuity of the metal fiber tissue, make the fiber structure of the forging keep the same shape as the forging, the metal streamline is complete, the tissue is compact, and the mechanical property is good. To ensure that the object has good mechanical properties and long service life, the processing of objects sharp, durable, high strength, first-class quality.
Q:Shandong foundry, casting small pieces of precision casting
Small foundry in Shandong too much, like many of us in Qingdao, then Dongying Changshun investment casting is a home, they are also casting precision casting equipment, specifically what I recommend that local enterprises, far is not convenient,
Q:Explain the heat treatment effect of casting parts, forging parts and welding parts
2 improve the crystal structure, enhance the formation and stability of spherical carbon crystal;Forgings are generally stress bearing members, and most of them are made of high strength medium carbon steel (alloy), which is formed by forging and fine crystalline. After the shell is annealed or quenched and tempered, the mechanical properties of the shell are more superior, and it has better strength and better elasticity;Welding materials.
Q:The casting sand is going on
2, causes(1) sand mold (core) strength is not high, when the box a little reason will fall off.(2) the strength of sand mould (core) is not high, it can not stand the erosion of molten steel.(3) box sand mould (core) crush.(4) high strength under high temperature, warpage, deformation and protuberance into the cast steel under the action of high temperature molten steel.(5) the floating sand in the air hole of the sand mold falls, especially when the floating sand falls in the casting, and the floating sand on the surface of the sand mold is easy to fall through the air vent.(6) when the box is closed, the surface of the mold cavity and the surface of the sand core are not cleaned, and the sand (core) surface has floating sand and so on.
Q:Sealing test of casting parts 5
Precise and tight sealing of the surface to which the test piece is to be tested, equipped with an airtight test instrument, and an electrical control system. You can complete automated testing equipment
Q:What is the ejection angle of the die casting (Tan Gang)?
Especially deep hole, and customers to discuss, generally take 0.3-1 degrees is enough

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