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high precision SS304 3mm 4mm stainless steel mix ball for nail polish

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Port: Shanghai/Qingdao/Ningbo
Payment Terms: L/C,D/A,D/P,T/T,Western Union,MoneyGram
Supply Ability: 10000 Ton/Tons per Month
Brand Name: xinxin
Place of Origin: Shandong China
feature: anti-rust and corrosion resistance stainless steel ball
size: 0.35-60mm
material: SS304
Product name: SS304 3mm 4mm stainless steel mix ball for nail polish
Package: carton or metal drume with pallet
Model Number: xinxin01
Hardness: HRC25
Application: for mix nail polish
MOQ: 10000PCS
Packaging Detail: high precision SS304 3mm 4mm stainless steel mix ball for nail polish 25kg per caton ,36cartons per pallet 250kg per metal durms ,4drums per pallet
Package Preview: https://sc02.alicdn.com/kf/Hdba37cb2664f40b189565e2088c88b06K.jpg_640x640.jpg,https://sc01.alicdn.com/kf/H243db45def664853932686b5a5746155o.jpg_640x640.jpg
Ningyang Xinxin Stainless Steel Ball Manufacture Co., Ltd.
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high precision SS304 3mm 4mm stainless steel mix ball for nail polish



SUS304 Stainless steel ball

    Material   Specification C Cr Mn Si P S Ni
0.08%Max 18-20% 2.0%Max 1.0%Max 0.045%Max 0.03%Max 8-10%



Tensile Strength       100,000 - 180,000 psi
Yield Strength       50,000 - 150,000 psi
Density       0.286 Ibs/cu in



Corrosion resistance       Good
Magnetic       Slighty  ( Demag process avaibalbe )
Size Range            0.8mm  ( 1/32" )    to    63.5mm   ( 2-1/2" )
Hardness            HRC  ≤ 26 
Grade            G40  -  G1000
Application       Type 304 balls are used in aerosol and dispenser valves , medical applications , animal feeders , trigger sprayers , finger pumps and food processing .



304 0Cr19Ni9 SUS304  1.4301

Production Line :



  In the first step, heading machines cut wire into short lengths and form it into spherical shapes between dies.


  The flash line, a ridge left by the forming dies, is removed as balls roll between heavy,cast iron plates.

Soft Grinding:

  Similar to deflashing, except that a grinding stone is used to improve precision.


  Carbon steel balls are next carburized and hardened. Heat treatment imparts the desired hardness and case depth.


  This step removes the residues and by-products from the heat-treating process.

Hard Grinding: 

  Slow, meticulous grinding assures proper sizing and sphericity, with tolerances as closeas ±.0001".


  Several proprietary lapping processes can bring balls to the requirements of ISO 3290 Grade10 - 48. 


  Proprietary chemical and mechanical processes give the balls their final micro-smoothed finish, for increased wear resistance and product longevity.

About us


Ningyang Xinxin Stainless Steel Ball Manufacture Co., Ltd is one of famous and professional stainless steel ball factory from china .

We have two professional factory to produce steel ball ,one is in Shandong province(5000 square meters),other one is in Henan province (10000 square meters ) . 

With over 20years history,our factory have good reputation from our customers and government,so our factory passed ISO9001:2008 and our products got SGS,RHOS Certificates .

We mainly produce stainless steel ball (201, 304, 316, 420,420C,440C,430). also produce chrome steel ball (AISI52100,100CR6,GCR15),carbon steel ball(1015,1010,1045,1085), copper brass balls, plastic ball,glass ball,Tungsten carbide ball, flying saucer ball, polishing media ball,ceramic ball,Aluminum ball and other kinds of material ball.

We have the ability to provide many kinds of steel ball, of which accuracy range is G10-G1000,size 0.4mm-50.8mm. The brand "XinXin" is trusted deeply by customers. Our products have been widely applied in the hardware goods form a complete set for the aviation and spaceflight industry, automobiles, sprayers, stainless steel bearings, and handicraft and precision instruments.
We have advanced production equipment and consummative instruments. We use perfect equipment to detect the roundness, libration size and the quality of the surface of steel balls.
Welcome to visit our factory and looking forwarder to cooperate with you !

Quality test :

Quality test


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Package details

Package type :   a, Steel drum packing 

                             1)  250 kg per steel drum

                             2)  4 drums on one pallet

                             3)  Drum with pallet size: 75*75*65cm

                         b, Carton package 

                             1)  25 kg per carton , 36 cartons on one pallet

                             2)  Carton size: 30*20*15