High Precision Chrome Steel Ball for Bearings

Product Description      QINGDAO FUJIN STEEL BALL COMPANY  Qingdao Fuqin Imp. & Exp. Co., Ltd. It is aprofessional export company for the manufactures.The morther companies are steel ball and roller plants.The steel ball plant was founded in 1998. It is professional ball manufactu

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High Precision Chrome Steel Ball for Bearings

Product Description

      
QINGDAO FUJIN STEEL BALL COMPANY
  Qingdao Fuqin Imp. & Exp. Co., Ltd. It is aprofessional export company for the manufactures.The morther companies are steel ball and roller plants.The steel ball plant was founded in 1998. It is professional ball manufacturer.We have received ISO9001.The roller plant was found in 2000. It is professional roller manufacturer. We have received ISO/TS16949. 
      
Carbon steel balls
Caption:The Applications
       Light duty bearing,Conveyer belt,
       Bicycle parts,Automobile parts,
       Slide bearing,Caster wheels,
       Computer peripheral products,
       Toys,Metal milling,Hand tools and etc.
Detail:
       Low Carbon-AISI 1010-1015
                 -1mm~30mm
                 G16~G1000
 
Chrome steel balls
 
Caption:The Applications
       Bearing/Automotive
       Cosmetics/Construction
       Body,Jewelry/Heavy Equipment
       Hunting cartridge
Detail:
Chrome steel - GCr15/100Cr6/AISI 52100/SUJ-2
 
Chemical Composition
 
Material
 
C%Si%Mn%Cr%Cu%
521000.98~1.100.15~0.350.25~0.451.30~1.60
 
 
GCr150.95~1.050.15~0.350.25~0.451.40~1.65
 
0.25
GCr15
SiMn
0.95~1.050.45~0.750.95~1.251.40~1.650.25
100Cr6
 
0.93~1.050.15~0.350.25~0.451.35~1.60 
SUJ2
 
0.95 or 1.100.15 or 0.350.50 max1.30~1.60 


Stainless steel ball
Caption: The Applications
       For 300 series
       Trigger sprayers,Bearings,Dispenser valves,
       Body jewelry lotion pumps,Aerospace,Quick
       Disconnect couplings
       For 400 series
       Bearing applications,Valve applications,
       Locking mechanisms,Fasteners,Quick
 
Detail:
Stainless steel - AISI 302/304/304L/316/316L
             -AISI 420/420C/430/440C
 
Chermical Composition
 
AISI
Number
C%Si%Mn%Cr%Ni%Mo%P%S%                                                     property
 
AISI 3040.07
MAX
1.00
MAX
2.00
MAX
17.0~
19.0
8.0~
10.5
 0.045
MAX
0.03
MAX
Slightly magnetic,flat surface HRC 25min.
 
AISI 3160.07
MAX
1.00
MAX
2.00
MAX
16.5~
18.5
10.5~
13.5
2.00~
2.50
0.045
MAX
0.03
MAX
Better corrosion resistance than SS304 specially against Sulfuric
acid and ink/bleach/nitric
AISI 4200.07~
0.25
1.00
MAX
1.00
MAX
12.0~
14.0
  0.045
MAX
0.03
MAX
 
flat surface HRC 50min,
better corrosion resistant 
AISI 4300.08
MAX
1.00
MAX
1.00
MAX
15.5~
17.5
  0.045
MAX
0.03
MAX
Ferritic stainless steel,better corrosion resistant than 3series at higher temperature
AISI 4400.95~
1.20
1.00
MAX
1.00
MAX
16.0~
18.0
  0.045
MAX
0.02
MAX
Martensite,fair corrosion to water,alcohol,oil and food product.


Plastic balls

Materials and Characteristics
 
ItemPOM
 
PA66PPDelrin AF
MaterialPolyacetal
 
Nylon 66Polypropylene20% Teflon+80% Delrin
Density(g/cc)1.42
 
1.140.911.50
Hardness
Rockwell R scale
12011090115
Wear resistant
(kgf/cm2)
0.370.18385~5600.19
Heat Resistance
      (C)
160~170180~230120340


Factory tour inspection




PACKAGING

Step 1: Weighing stainless steel balls. Usually the weight is about 10kg.
Step 2: Sealed plastic bags 
Step 3: Put sealed plastic bags into small boxes.
Step 4: Each box has the label, including material, Lot No. size, quantity, grade, date......
Step 5: Each box directly put into mooden case. 



Service

We would like to offer you services as:
- Instant improvement and design of products
- Quick response to the prices
- Complete inspection report
- Traceable
- Perfect logistic
 
We hope that our products can offer better quality support for you!
 

Contact us

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