Basic Info.
Model NO.
4mm
Universal
Yes
Type
Bearing Ball
Material
Stainless Steel
Grade
G100
Surface
High Polished
Hardness
HRC25-39
Size Range
0.5mm-200mm
Certificate
ISO; BV; Ts16049 of Stainless Steel Ball
Magnetic
Much Little
Density
7.972g/ Cm3
Chemical Composition
C, Si, Mn, Cr, Ni, P, S, N
Packing Condition
Dry/Oil
Application
Bearing, Nail Polish, Perfume, Medical Equipment..
Transport Package
Bag,Carton,Drum and Pallet (20kg-25kg Per Carton,
Specification
AISI, ASTM, DIN, EN, GB, JIS
Trademark
SUHUA steel ball
Origin
Jiangsu, China (Mainland)
HS Code
8482910000
Production Capacity
350tons/Month
Packaging & Delivery
Package Size
1.00cm * 1.00cm * 1.00cm
Package Gross Weight
1.000kg
Product Description
Production description: 
AISI304 stainless steel ball in diameter 4mm
Chemical composition:
Ball Grade:
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.
Manufacturing process:
Raw material → Drawing → Heading → Flashing → Heat treatment → Grinding → Lapping1 → Lapping2 → Sorting → Packing
Packing & Delivery:
Type 1 : Plastic bag + box + carton + wooden pallet
Type 2 : Plastic bag + woven bag + carton + wooden pallet
Type 3 : Plastic bag + steel drum
Shipping way:
1.TNT 2.UPS 3.ocean shipping 4.air transportation
Certifications: ISO, TS16949, RoHS.
Other products:
Chrome steel ball
Carbon steel ball
Aluminum ball
Brass/copper ball
Tungsten carbide ball
Plastic ball
Coated ball
Ball retainer
Bearings
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.
Welcome to send your inquiry to us.
AISI304 stainless steel ball in diameter 4mm
| SUHUA STEEL BALL | |
| Material: | AISI304 |
| Grade: | G10 G16 G20 G28 G40 G60 G100 G200 G500 G1000 |
| Size range: | 0.5mm-200mm |
| Hardness: | HRC25-39 |
| Surface: | Polished |
| Packing Condition: | Dry/oil |
| Density: | 7.972g/cm³ |
| Characteristic: | (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.
Manufacturing process:
Raw material → Drawing → Heading → Flashing → Heat treatment → Grinding → Lapping1 → Lapping2 → Sorting → Packing
Packing & Delivery:
Type 1 : Plastic bag + box + carton + wooden pallet
Type 2 : Plastic bag + woven bag + carton + wooden pallet
Type 3 : Plastic bag + steel drum
Shipping way:
1.TNT 2.UPS 3.ocean shipping 4.air transportation
Certifications: ISO, TS16949, RoHS.
Other products:
Chrome steel ball
Carbon steel ball
Aluminum ball
Brass/copper ball
Tungsten carbide ball
Plastic ball
Coated ball
Ball retainer
Bearings
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.
Welcome to send your inquiry to us.