SS304 Stainless Steel Ball, Large Solid Metal Ball

1. Made of magnetic material, it has a higher passability than other stainless steel balls.

2. AISI440C stainless steel balls are highly resistant to corrosion from water, steam, oil, gasoline, and alcohol.

3. The ball is blunt.

4. International Standards: X105CrMo17 / 440C / 1.4125 / Z100CD17 / 95X18 / 9Cr18Mo / SUS440C

Product Details

304 stainless steel ball

Widely used in automotive, cosmetics, construction, consumer goods, electronics, medical, heavy equipment, and personal adornment industries. For example:

- Steel balls for seat rails

- Ball bearings for ball bearings

- Stainless steel ball mixer in nail polish mixing beads

- Stainless steel balls in the pump

- Steel balls in a ball screw

-ballpoint pens and pen balls

- Ball for electrical contacts

- Precision spheres for medical testing (for fragmented tissue)

-weight ball

- Balls in drilling equipment

Various steel ball, High-precision steel balls, bearing steel balls.

All our products can be customized!

The latest high-quality polished stainless steel balls in sizes of 2.381mm, 3mm, 4mm, 4.5mm, 5mm, 5.556mm, and 6.35mm.

Please contact us if you have any needs or would like more details. We will provide you with the highest quality products and satisfactory service. Reasonable price

Functional Positioning and Target Users for Precise Mechanical Components

This solid steel ball crafted from 304 stainless steel targets engineering applications requiring robust, corrosion-resistant spherical components. It serves manufacturers, assembly engineers, and procurement specialists seeking reliable precision spheres suitable for mechanical systems assembling bearings, valves, or instrumentation. The ball meets demands for reliability in environments exposed to moisture or moderate chemical exposure, enabling system operators to integrate durable components that uphold mechanical integrity. Our product is supplied in calibrated size ranges including common industrial diameters like the 1 inch steel ball, facilitating streamlined procurement for diverse manufacturing needs.

Technical Features and Quantifiable Specifications Ensure Long-Term Performance

Manufactured under stringent international compliance frameworks (AISI, ASTM, DIN, EN, JIS), the 304 stainless steel ball exhibits hardness ratings between HRC 25 to 38, providing wear resistance critical for high-cycle mechanical applications. Sizes span from 1 mm up to 25.4 mm diameter, encompassing the 1 inch steel ball specification, meeting exacting dimensional tolerances classified from G100 to G1000 grades. The high-polish surface finish enhances corrosion resistance while maintaining magnetic properties advantageous in certain assembly line detection or handling processes. Protective packaging standards, including plastic bags within cardboard boxes, safeguard product integrity during logistics from major Chinese ports to global manufacturing facilities.

Industry Applications Demonstrate Broad Compatibility and Integration Benefits

The 304 stainless steel ball finds extensive use across sectors such as automotive bearings, fluid control valves, precision instruments, and industrial mixers. Its corrosion resistance and hardness provide longevity in components subject to cyclic loading or chemical exposure. The product supports critical roles in calibration devices and mechanical assembly lines requiring spherical uniformity for seamless operation. By meeting stringent quality and surface standards, it seamlessly integrates with existing systems, reducing downtime and optimizing equipment lifecycle costs. As a representative product among stainless steel balls, it satisfies engineers’ requirements for consistency, facilitating enhanced operational confidence in assembly and repair processes.

Structural and Design Excellence Focused on Integration and Adaptability

Our steel ball manufacturers design the 304 stainless steel ball to conform with international quality benchmarks, enabling straightforward integration into modular assemblies. The spherical shape and dimensional range accommodate compatibility with standardized mechanical housings and fixtures. High-grade stainless steel ensures structural integrity in corrosive and high-friction environments, while the magnetic characteristic supports automated handling and quality control systems. Packaging options are flexible to meet customer shipping and inventory protocols, enhancing supply chain efficiency. Such design considerations position this product as a versatile component within complex machinery and high-precision assemblies.

Enhanced Durability and Functional Reliability for Industrial Operations

The 304 stainless steel ball delivers consistent performance by balancing hardness and surface finish attributes, thereby reducing wear and corrosion-induced failures. For users prioritizing equipment uptime and maintenance predictability, this product’s durability translates into extended service intervals and reduced replacement frequency. Magnetic properties facilitate non-destructive testing and tracking during manufacturing, increasing operational transparency. Additionally, the high polish finish reduces friction and potential contamination in sensitive applications, supporting process efficiency and quality assurance in demanding industrial environments.


Use Scenarios

Application in Precision Mechanical Assemblies and Bearing Components

Within automotive and heavy machinery manufacturing, these stainless steel balls play a pivotal role in bearing construction, ensuring smooth rotation and load distribution. The balls’ corrosion resistance under lubricant exposure and surface wear prolongs component lifespan. Their exact sizing permits tight tolerances, critical for assembly line consistency and performance validation. In this workflow, the stainless steel balls integrate directly into bearing assemblies, supporting load transfer while maintaining dimensional stability, thus aligning with engineers’ specifications for system reliability and operational safety standards.

Role in Fluid Control Systems and Industrial Valve Mechanisms

In the petrochemical and processing plant sectors, large solid steel balls made from corrosion-resistant materials serve as key valve elements, regulating fluid flow under demanding conditions. Their durability against chemical exposure and mechanical wear makes them suitable for valve seals and actuators. This product’s compliance with international standards assures operational safety and regulatory adherence, key factors in process control environments. Integration into valve mechanisms reduces failure rates and enhances maintenance predictability, ensuring continuous process flow with minimal downtime and optimized system efficiency.

With over 20 years of industry experience, we specialize in producing high-quality steel balls, including precision stainless steel balls like SS304. Our advanced facilities and strict quality standards ensure reliable supply for industrial applications. Contact us now for your custom quote or technical consultation.

Yuncheng Kangda Steel Ball Co., Ltd. I S was established in Yuncheng, Shandong Province. We... We are a company specializing in the production and sales of steel balls. Provide various We offer steel balls with over 10 years of service life, including stainless steel balls, carbon steel balls, bearing steel balls, and most types of specialty balls. All our products can be customized.

Our factory possesses advanced production equipment and technical capabilities, ensuring high-quality products. Our products have been exported to overseas markets. , This includes many other countries.

We regard quality as our lifeblood and strive to provide customers with products and services that offer better value for money.

We hope to establish a business relationship with you. In the future .

1. Title:
The first step is for the tunneling machine to cut the wire into short lengths and form a sphere between the molds.

2. Flickering:
A process for roughening a spherical blank and removing excess material around the sphere.

3. Heat treatment:
The ball is hardened by subjecting the alloy metal to controlled heating and cooling to improve its hardness and other properties.

4. Difficult trials and tribulations:
Slow and meticulous grinding ensures proper dimensions and size;

5. Grinding:
This process involves two steps: first, simple grinding, and then fine grinding. Both steps are to achieve a shiny finish and the precise dimensions required by ISO 3290 standards.

6. Cleaning:
First, clean the surface of the ball; then dry the ball with dehydrating oil; the final step is to apply rust-preventive oil to the ball. Once these steps are complete, each ball will be selected by machine or visually to ensure that each ball is perfect.

7. Inspection:
Each batch of products will be measured and inspected by a special inspector to check whether the products meet the customer's requirements.

8. Packaging:
These balls are wrapped in antioxidant or oiled paper, packed in a fixed number of standard-sized cardboard boxes, and finally placed in wooden crates or boxes. The packaging will be suitable for both sea and air transport. Special packaging is available upon request.

1. Cardboard box packaging 2. Cardboard box + pallet 3. Woven bag

4. Woven bags + rollers 5. Bottles + cartons + pallets 6. FIBC

Packaging details: Carton packaging, woven bags, cartons + pallets, rollers, or packaging according to customer requirements.

Delivery details: 3-5 days after order, depending on order quantity;

1. As a manufacturer and trading company, we are able to integrate the best resources in China and provide qualified parts to our customers at the most competitive prices.

2. Quality Assurance: 100% QC inspection before delivery; ISO9001:2008 and SGS certification; full refund or replacement for quality defects; 90-day quality warranty on all products.

3. Excellent customer service, responding within 24 hours.

4. Fast delivery: We have a large inventory ready to ship the day after ordering. For mass production, we can place urgent orders and deliver on time.

5. We offer OEM services and can produce custom parts based on customers' printed materials or samples.

6. With over 10 years of experience, we collaborate with clients worldwide.

7. One-stop service: We can handle everything from production, transportation, import customs clearance, and door-to-door delivery until your order is in your hands.