3.2mm AISI304 steel ball Precision Corrosion Resistant

3.2mm AISI304 steel ball

Material:3.2mm AISI304 steel ball adopt high-quality AISI304 austenitic stainless steel, with excellent rust resistance, corrosion and oxidation resistance, suitable for humid and weak corrosive working conditions.
Precision & Performance: Available in G50-G500 precision grades. It features high sphericity, strict dimensional tolerance, smooth surface, stable structure and good toughness for long-term low-friction operation.
Application: AISI304 steel ball Widely applied in precision bearings, linear accessories, hardware valves, food, pharmaceutical, electronic and automotive miniature mechanical parts.

3.2mm AISI304 steel ball is a high-standard precision spherical component widely utilized in modern industrial manufacturing. Produced from authentic AISI304 austenitic stainless steel, this product delivers outstanding material stability that distinguishes it from ordinary carbon steel and chrome steel balls. The material contains standardized chromium and nickel elements, endowing the steel ball with superior rust resistance, acid and alkali corrosion resistance, and high-temperature oxidation resistance. It can maintain stable physical performance in humid, damp, and lightly corrosive working environments, effectively avoiding surface rust, oxidation discoloration, and structural failure during long-term service. Additionally, AISI304 stainless steel features non-toxic and hygienic properties, meeting international industrial safety and sanitation standards, which enables its application in food-grade and medical-grade equipment scenarios.

In terms of manufacturing precision and quality grading, these3.2mm AISI304 steel ball are strictly produced and inspected in accordance with international precision standards, covering complete precision grades from G50 to G500. High-precision G50 and G100 grades feature ultra-high sphericity, extremely tight dimensional tolerances, and ultra-smooth mirror-polished surfaces with no burrs, pits or surface defects, ensuring ultra-low friction and high matching accuracy for precision equipment. Conventional G200, G300 and G500 grades adopt mature standardized production processes, retaining reliable comprehensive performance while possessing higher cost-effectiveness, fully meeting the assembly and operation requirements of general industrial machinery. The product also exhibits excellent overall mechanical properties, including uniform hardness, good toughness, strong impact resistance and fatigue resistance, capable of adapting to continuous cyclic friction, extrusion and load operation without deformation or damage.

Benefiting from its excellent material characteristics and stable precision performance, the 3.2mm AISI304 steel ball boasts extremely extensive application coverage. It serves as core basic components for precision bearings, linear motion guide systems and miniature transmission devices, effectively improving mechanical operation flexibility and reducing equipment wear. In the hardware manufacturing industry, it is widely used for casters, sliding parts, valve cores, sealing components and fastener accessories. Thanks to its hygienic and pollution-free features, it is also an essential part of food processing machinery, pharmaceutical production equipment and cosmetic filling devices. Furthermore, it is commonly assembled in precision electronic instruments, miniature automotive parts, hydraulic and pneumatic systems, and daily hardware products. With reliable corrosion resistance, stable precision and strong environmental adaptability, this 3.2mm AISI304 stainless steel ball has become an indispensable universal component for high-precision, hygienic and daily industrial manufacturing fields.

Profile:

440C steel balls are a type of hardened ball made from high-carbon, corrosion-resistant stainless steel. They are known for their excellent hardness (HRC 58-60), toughness, and wear resistance. These balls are commonly used in precision bearings, valves, and other mechanical applications requiring high performance and corrosion resistance.

Application:

High-precision bearings; aerospace; knot-tying devices;
Oil and gas industry; quick connectors;
Automotive industry; Pharmaceutical industry
Steel balls offer excellent corrosion resistance and are resistant to oil, gasoline, steam, and alcohol.

Chemical Composition
Type	%C	%Si	%Mn	%P	%S	%Cr	%Mo
440C	0.95-1.20	1.00 max	1.00 max	0.040 max	0.030 max	16.00-18.00	0.75 max
International Standard
440C	9Cr18Mo	1.4125	Z100CD17	X 105CrMo17	–	95X18	SUS440C