Basic Info.
Product Description
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.
Offering stainless steel balls in 304/L, 316/L, 420/C, 440/C stainless steel. A wide range of material and sizes steel balls are available for choosing.
Stainless steel balls: AISI304, 304L, 316, 316L(G100-G1000),AISI420, 420C, 440, 440C(G10-G1000) .
AISI304/304L G40 5mm Stainless Steel Ball
China | Japan | U.S. | Germany | Hardness |
OCr18Ni9 | SUS304 | AISI304 | 1.4301 | HRC 25-39 |
00Cr19Ni10 | SUS304L | AISI304L | 1.4307 | HRC 25-39 |
0Cr17Ni12Mo2 | SUS316 | AISI316 | 1.4401 | HRC 25-39 |
0Cr19Ni12Mo2 | SUS316L | AISI316L | 1.4404 | HRC 25-39 |
3Cr13 | 420J2 | AISI420 | 1.4028 | HRC 48-58 |
4Cr13 | - | AISI420C | 1.3541, 1.4034 | HRC52-56 |
9Cr18 | - | AISI440 | HRC57-61 | |
9Cr18Mo | SUS440C | AISI440C | 1.4125 | HRC58-64 |
Material | CHEMICAL COMPOSITION % | ||||||||
C | Si | Mn | P | S | Ni | Cr | Mo | Ti | |
AISI304 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 8.0-11.0 | 18-20 | ||
AISI304L | ≤0.03 | ≤1.0 | ≤2.00 | ≤0.045 | ≤0.03 | 9.0-12.0 | 18-20 | ||
AISI316 | ≤0.08 | ≤1.00 | ≤2.00 | ≤0.035 | ≤0.03 | 10.0-14 | 16.0-18.5 | 2.0-3.0 | |
AISI316L | ≤0.030 | ≤1.00 | ≤2.00 | ≤0.045 | ≤0.03 | 10.0-14 | 16.0-18 | 2.0-3.0 | |
AISI420(3Cr13) | 0.26-0.35 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.035 | ≤≤0.60% | 12.0-14.0 | ||
AISI420C(4Cr13) | 0.36-0.45 | ≤0.60 | ≤0.8 | ≤0.035 | ≤0.03 | ≤0.6 | 12.0-14.0 | ||
AISI440 (9Cr18) | 0.9-1 | ≤0.8 | ≤0.8 | ≤0.035 | ≤0.80 | ≤0.60 | 17.0-19.0 | ≤0.75 | |
AISI440C (9Cr18Mo) | 0.9-1 | ≤0.8 | ≤0.8 | ≤0.035 | ≤0.03 | ≤0.60 | 16.0-18.0 | ≤0.75 |
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 |
Martensite Stainless Steel Balls(AISI420, 420C, 440, 440C)Precision Bearings, Auto Parts, Bicycles, Mixers, Slide Rails, Conveyor Belts, Skateboards, Casters, Valves, Etc.
1.Q: Can you provide free sample?
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.