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Stainless Steel Balls

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AISI 304 / 304L Stainless Steel Balls

International Equivalent:
Equivalent grades include SUS304 / SUS304L, EN 1.4301 / 1.4306 and X5CrNi18-10 / X2CrNi18-9.
AISI 304 stainless steel balls provide reliable corrosion resistance in humid and mildly corrosive environments. With stable austenitic structure and consistent performance, they are widely used in industrial applications requiring durability and cleanliness.
Austenitic Stainless
Corrosion Resistance
Stable Performance
Versatile Applications
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Detailed Description

Also known as corrosion-resistant stainless steel balls, 304 and 304L are widely used in environments where resistance to moisture and mild chemicals is required.

AISI 304 / 304L Stainless Steel Balls

AISI 304 stainless steel balls are manufactured from austenitic stainless steel and are widely used in applications requiring corrosion resistance and stable mechanical performance. They perform well in humid environments and mild chemical conditions.
With a stable microstructure, these balls ensure consistent operation, good dimensional stability and reliable performance in general industrial and precision applications.

Technical Specifications

Item	Specification
Material	AISI 304 / 304L (EN 1.4301 / 1.4306)
Size Range	0.5 mm – 200 mm
Hardness	Not a specified property. Typically HRB 80–90 in non-hardened condition.
Grade	G100 – G1000
Density	7.93 g/cm³
Standard	ISO 3290
Heat Treatment	Non-hardened (austenitic)
Corrosion Resistance	Good resistance to water, humidity and mild chemicals
Packing	Carton / Steel drum / Bulk bag / Custom
Condition	Clean and dry. Also available in passivated or oiled condition upon request
Delivery Time	Stock available or 30–35 days

Chemical Composition

Grade	C (%)	Si (%)	Mn (%)	Cr (%)	Ni (%)	P (%)	S (%)
304	≤0.08	≤1.00	≤2.00	18.00–20.00	8.00–10.50	≤0.045	≤0.030
304L	≤0.03	≤1.00	≤2.00	18.00–20.00	8.00–10.50	≤0.045	≤0.030

Note: Typical chemical composition ranges. Minor variations may exist among different international standards.

Applications

Ball Bearings

Pumps & Valves

Food Processing Equipment

Medical Devices

FAQ

What information do you need for a quotation?

Please share the ball size, material grade, quantity, grade requirement if any, application, and delivery term such as FOB or CIF.

What is the difference between 304 and 304L stainless steel balls?

304L has lower carbon content than 304, which improves resistance to intergranular corrosion, especially in welded or heat-affected environments.

Are 304 stainless steel balls corrosion resistant?

Yes, 304 stainless steel balls offer good corrosion resistance in water, humidity and mild chemical environments. For stronger corrosion resistance, 316 / 316L may be more suitable.

Are 304 stainless steel balls magnetic?

304 stainless steel is generally non-magnetic in annealed condition, but slight magnetism may appear after cold working. Demagnetization can be arranged if required.

Are 304 / 304L stainless steel balls suitable for food equipment?

Yes, they are commonly used in food processing equipment, dispensers, pumps and valves where corrosion resistance and clean surface finish are required.

Can you provide custom sizes or special requirements?

Yes, we can support custom sizes, grade requirements, surface conditions and packaging. MOQ may vary depending on size and specification.

Can you provide samples for testing?

Yes, samples are available for testing and evaluation. Standard sizes are usually easier to arrange from stock.

Do you provide inspection reports or material certificates?

Yes, inspection reports can cover dimensions, tolerance and surface condition. Material certificates are available upon request.

What packaging options do you offer?

We can provide cartons, steel drums, bulk bags or customized packing according to customer requirements.

Can 304 stainless steel balls be used for high-load bearing applications?

304 stainless steel balls are mainly selected for corrosion resistance rather than high hardness. For high-load bearing applications, chrome steel or 440C stainless steel may be more suitable.

Standard packing: