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Stainless Steel Balls

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AISI 316 / 316L Stainless Steel Balls

International Equivalent:
Equivalent grades include SUS316 / SUS316L, EN 1.4401 / 1.4404 and X5CrNiMo17-12-2 / X2CrNiMo17-12-2.
AISI 316 stainless steel balls provide enhanced corrosion resistance compared to 304, particularly in chloride-containing and saltwater-exposure environments. With added molybdenum, they are suitable for chemical processing and corrosion-sensitive applications requiring long-term reliability.
Austenitic Stainless
Molybdenum-Added
Chloride Resistance
Corrosion-Critical Use
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Detailed Description

Also known as molybdenum-bearing stainless steel balls, 316 and 316L are used where higher resistance to chloride corrosion and pitting is required.

AISI 316 / 316L Stainless Steel Balls

AISI 316 stainless steel balls are manufactured from austenitic stainless steel with molybdenum addition, improving resistance to chloride attack and pitting corrosion compared with 304.
These balls are widely used in chemical equipment, saltwater-exposure environments and corrosion-sensitive applications where standard stainless steel or chrome steel may not provide sufficient durability.

Technical Specifications

Item	Specification
Material	AISI 316 / 316L (EN 1.4401 / 1.4404, SUS316 / SUS316L)
Size Range	0.5 mm – 200 mm
Grade	G100 – G1000
Density	7.98 g/cm³
Standard	ISO 3290
Heat Treatment	Non-hardened Austenitic Stainless Steel
Corrosion Resistance	Enhanced resistance to chlorides and saltwater exposure compared to 304
Packing	Carton / Steel drum / Bulk bag / Custom
Condition	Clean and dry. Passivated or oiled condition available upon request
Delivery Time	Stock available for standard sizes or 30–35 days for production

Chemical Composition

Grade	C (%)	Si (%)	Mn (%)	Cr (%)	Ni (%)	Mo (%)	P (%)	S (%)
316	≤0.08	≤1.00	≤2.00	16.00–18.00	10.00–14.00	2.00–3.00	≤0.045	≤0.030
316L	≤0.03	≤1.00	≤2.00	16.00–18.00	10.00–14.00	2.00–3.00	≤0.045	≤0.030

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

Applications

Ball Bearings

Marine Equipment

Chemical Processing Equipment

Corrosion-Sensitive Industrial Systems

FAQ

What information do you need for a quotation?

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

What is the difference between 316 and 316L stainless steel balls?

316L has lower carbon content than 316, which helps reduce the risk of intergranular corrosion, especially in welded or heat-affected environments.

Why choose 316 instead of 304 stainless steel balls?

316 contains molybdenum, providing improved resistance to chloride attack and pitting corrosion compared to 304. It is more suitable for chemical and saltwater-exposure environments.

Are 316 stainless steel balls suitable for marine environments?

316 stainless steel balls are more suitable than 304 for marine-related and saltwater-exposure applications, depending on actual working conditions.

Are 316 stainless steel balls magnetic?

316 stainless steel is generally non-magnetic in annealed condition, but slight magnetism may occur after cold working. If required, solution annealing can be performed to restore a non-magnetic state.

Can you support custom sizes or specifications?

Yes, we support custom sizes, grade requirements, surface conditions and packaging. MOQ depends on size and specification.

Can you provide samples for testing?

Yes, samples are available for testing and evaluation. Standard sizes are usually available 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 provide cartons, steel drums, bulk bags and customized packaging according to customer requirements.

Can 316 stainless steel balls be used for high-load bearing applications?

316 stainless steel balls are primarily selected for corrosion resistance rather than hardness. For high-load bearing applications, chrome steel or 440C stainless steel is recommended.

Standard packing: