| Customization: | Available |
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| Customized: | Customized |
| Certification: | CE, ISO, BV, SGS, Ts 16949 |
| Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
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| Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
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Suppliers with verified business licenses
Audited Supplier Audited by an independent third-party inspection agency
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 |
1.Q: Can you provide free sample?
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