Changzhou Huari Steel Ball Co., Ltd is an ISO9001: 2015 and IATF16949: 2016 certified professional manufacturer of steel balls with experience of more than 30 years. We owns more than 500 sets advanced production equipment and more than 100 sets of testing devices to ensure the quality of the steel balls.
Custom service to meet our customers' needs are our core strength.
Sizes & Material
The factory produces ball sizes from 0.5mm to 250mm.
Aluminum Balls: AL5050, 1100, 6061, 7A03, 7075.
Aluminum balls are mainly used in the stud welding industry in place of fasteners for construction, industrial and automotive applications.
Grade: G10 to G1000 | |||||
Grade | ball diameter | spherical | surface | lot diameter | nomainal ball |
variation | deviation | roughness | variation | deviation tolerance | |
Vdws | Sph | 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 |
Aluminum Balls | |||||||
1. Material | AL5050,1100,6061,7A03, 7075 | ||||||
2. Size Range | 1.0mm-50.8mm | ||||||
3. Grade | G500-1000 | ||||||
4. Hardness | HRB 54-72 | ||||||
5. Characteristic | (a)Low weight,good electrical and heat conductivity | ||||||
(b)High corrosion resistance but low mechanical strength | |||||||
(c) Easlily machined,drilled and tapped | |||||||
6.Application | Usually employed in the electronic industry | ||||||
7.Magnetic | Non-magnetic | ||||||
8.Packing | Standard: 10kg or 20kg per carton | ||||||
1 ton per pallet or as customer required | |||||||
9.Conditioning | Dry | ||||||
10.Delivery time | Stock within a short time or 35 days |









Yes, we can offer you free sample when we have them in stock and you just need to pay the shipping fee.
2.Q: What's the terms of payment?
T/T, Trade Assurance order on Alibaba, Western Union or Cash.
3.Q: What the certification do you have?
ISO 9001,IATF 16949,ROHS,SGS,BV.
4.Q: What is the lead time?
Balls in stock could be delivered within 3-5 days once confirmed the order.
For mass order or customized products, it takes about 20-30 days.
5.Q: What's your advantage? Why we choose you?
1) More than 30 years balls manufacture experience.
2) Great production capacity Sustainable Supply. According to customer requirements. We support the customized products including
package.
3) Large stock and wide size range.