(a)Not hardenable austenitic inox, (b)Very good resistance to corrosion(apart of solforic and chloridric acid), much little magnetic.
Application:
Bearings, nail polish, perfume, chocolate grinding machine, coffee machine, medical equipment…
Chemical composition:
304
C%
Si%
Mn%
Cr%
Ni%
P%
S%
N%
Min. Max
--- 0.07
--- 1.00
--- 2.00
17.0 19.5
8.0 10.5
--- 0.045
--- 0.015
--- 0.11
Ball Grade:
Grade
Variation of ball diameter
Deviation from spherical form
Suface roughness
Variation of ball lot diameter
Nominal ball deviation tolerance
Vdws
△rSw
Ra
Vdwl
Tdn
not over
μm
10
0.25
0.25
0.02
0.5
*
16
0.4
0.4
0.025
0.8
*
20
0.5
0.5
0.032
1
*
24
0.6
0.6
0.04
1.2
*
28
0.7
0.7
0.05
1.4
*
40
1
1
0.06
2
*
60
1.5
1.5
0.08
3
*
100
2.5
2.5
0.1
5
±12.5
200
5
5
0.15
10
±25
500
12.5
12.5
*
25
±50
1000
25
25
*
50
±125
OUR FACTORY:
Our factory was established in 1986 which is call Huari steel ball Co.,Ltd, we are a professional manufacturer and supplier of steel balls and ball related products in China, we offer ball sizes from 0.5mm-200mm. Material of carbon, chrome, stainless, aluminum, brass and so on. We also offer bearing, ball retainer and stamping parts. All the steel balls and bearings produced by HUARI are covering the production process by standards ISO 9001:2008.
FAQ: Q: Are you trading company or manufacturer ? A:Our company is called Changzhou stw-industrial co,ltd,and there is a factory which called Huari,so we are both trading company and manufacter.
Q: How long is your delivery time? A: Generally it is 7days,it is 20-30 days if the goods are not in stock, it is according to quantity.
Q: Do you provide free sample? A: Yes, we could offer the sample for free charge but do not pay the cost of freight.
Q: How many quantity will be packed in one carton or one pallet ? A: 20 to 25 kg per carton, 1 ton per wooden pallet.