BEST QUALITY OF CARBON STEEL BALL WITH LOW PRICE

BEST QUALITY OF CARBON STEEL BALL WITH LOW PRICE System 1

BEST QUALITY OF CARBON STEEL BALL WITH LOW PRICE

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 10000 pc

Supply Capability:: 6000000 pc/month

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SPECIFICATION:

1.Material: GB GCr15(AISI 52100, JIS SUJ-2, DIN 100Cr6)

2.Size: 0.5mm-80mm

3.Grade:G10-G1000

4.Hardness: HRC 61--66

5.Producing standard:GB308-2002

6.Feature: Good wearing, excellent surface quality and high hardness.

7.Using

(1)General industry for automobile, motorcycle, bicycle,manufacturing, special bearings & micro – ball for the electronics industry.

(2)High accuracy & low noise motor bearing& household

(3)High - speed, low noise special bearing

(4)Ball valves for liquid and gas etc.

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

CHINA

USA

JAPAN

GERMANY

FRANCE

ENGLAND

ITALY

AISI

JIS

DIN

UNI

GCR15

52100

SUJ-2

100CR6

100C5

SI35534A99

SKF3

Q:The cause of fracture and why there is no toughness: This question is too broad, see what the casting casting Oh in order to reduce the wayward cast steel, ductile iron, gray iron and white iron, you can choose the material according to their own requirements.

Q:What reason is the bronze statue choking fire?: The casting process in boiling phenomenon, is the setting of the exhaust hole positioner position or number is not reasonable, the air cavity can not be discharged, overwhelmed by a material inlet, reflux, change mould, sincerely help you look forward to adopt,

Q:There is a little trace of polishingShock polishing is even worseElectrolysis can not be uneven, there is a slight bump: Use the vibrator to polish the material: the high aluminum porcelain 4cm (with a polishing agent that has an automatic mending function), you go find this polish,

Q:Younger brother is to do casting valve, precision casting parts, the valve internal sand serious, but the appearance is very standard, this is why, for God answers, thank you!: Increase the refractoriness and looseness of core sand

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:In the design of casting steps and precautions, for casting design, we have what experience?.: 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:Cause of choking of casting parts: Choke fire is the process of pouring a large number of gases can not be discharged smoothly, boiling in the metal liquid, resulting in a large number of castings in the pores, and even incomplete casting defects

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:After reaming, the roughness can reach several levels, that is to say, the sample.Casting parts in rocker arm drilling, reaming, roughness, block. After reaming, the roughness can reach several levels, that is to say, the sample.: Not processed, do not understand your problem... There's something wrong with the drilling machine. Please call me

Q:How to calculate the price of casting parts?: Cost of raw materials + electricity (fuel) costs + workers' wages + managers' wages + transport costs + raw materials burned + accessories costs + equipment maintenance depreciation costs + management fees + tax. The most convenient, the raw material market price plus 2000 yuan, plus you want profits on the line.

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