Import Ceramic Ball------Si3n4 Ball — Buy in wholesale FOB from Supplier in China
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Ceramic ball------Si3N4 Ball
Shanghai Unite Technology Co., Ltd. supplies silicon nitride (Si3N4) ceramic balls, a high-performance material offering a 59% weight reduction compared to steel, with Rockwell hardness of 78 and elastic modulus 44% higher than steel. These balls are precision-engineered for grades G3 to G40 per ISO 3290, with a size range from 0.4mm to 100mm, and are available in black as standard or gray upon request. Their thermal expansion coefficient is one-quarter that of steel, enabling stability in high-temperature applications up to 1050°C.
Si3N4 balls provide superior surface finish (Ra 4 - 6 nm typical), corrosion resistance, and non-magnetic properties, making them ideal for high-speed bearings, vacuum environments, and chemical pumps. They are also electrically insulating, resistant to adhesive wear with metals, and compatible with molten metal contact due to minimal reactivity. These characteristics make them a preferred choice for aerospace, semiconductor, and medical industries.
Applications include high-speed bearings, high-precision ball screws, vacuum bearings, and valve balls in chemical and high-temperature pumps. Buyers in aerospace, defense, and electronics industries source these balls for their durability in extreme conditions. Confirm grade, size tolerance, and surface finish requirements for your specific use case, as these impact performance in high-load or high-RPM systems.
| Material | Silicon Nitride (Si3N4) |
| Grade Range | G3 to G40 (ISO 3290) |
| Size Range | 0.4mm to 100mm |
| Hardness | Rockwell 78 |
| Elastic Modulus | 44% higher than steel (typical) |
| Thermal Expansion Coefficient | 1/4 of steel (typical) |
| Maximum Operating Temperature | 1050°C (retains hardness and strength) |
| Surface Finish (Ra) | 4 - 6 nm (typical) |
| Magnetic Properties | Non-magnetic |
| Electrical Properties | Electrically insulating |
| Corrosion Resistance | Superior to steel (typical for Si3N4) |
| Standard Color | Black (gray available on request) |
| Industry Standard | ASTM F2094-03a (typical compliance) |
Shanghai Unite Technology Co., Ltd. operates from No.3996 Baoan Rd, Volkswagen Industrial Estate, Shanghai, China. The company specializes in precision ceramic components, with a focus on silicon nitride balls for high-demand industrial applications. Its product offerings emphasize consistency, stability, and compliance with international standards like ISO 3290 and ASTM F2094-03a.
The supplier’s profile highlights a harbor trust tier, and while response metrics are not provided, its product descriptions emphasize technical performance and quality control. Buyers should confirm current stock availability for non-standard sizes and custom gauges, as well as the supplier’s ability to provide vacuum packaging or other specialized handling.
Si3N4 ceramic balls are high-performance silicon nitride precision balls widely used in high-speed bearings, pump components, and valve systems across aerospace, automotive, and semiconductor industries. Compared to steel balls, they offer 59% weight reduction, superior wear resistance, and excellent thermal stability, making them ideal for high-speed and high-temperature applications. These balls meet ISO 3290 grade standards and are traded globally as premium industrial components for OEM and replacement markets.
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| Major Markets | Global |
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Sourcing Si3N4 Ball from Shanghai Unite Technology Co., Ltd. - China Import Guide
Before ordering, confirm the grade and size tolerance for your application, as these directly impact performance in high-precision or high-load systems. Request a dimensional inspection report and material certification to verify compliance with ISO 3290 or ASTM standards. For non-standard sizes, discuss lead times and tooling requirements with the supplier.
Clarify packaging options, especially for vacuum applications or sensitive environments, as the supplier offers vacuum plastic packaging. Incoterms such as FOB Shanghai or DDP your facility should be agreed upon, along with payment terms, which may include a deposit for custom orders. Lead times for non-stock sizes can vary significantly.
Inspect the balls upon delivery for surface finish, dimensional accuracy, and absence of defects. For critical applications, arrange third-party testing for hardness, roundness, and thermal stability. Documentation should include material certifications, grade compliance, and any custom specifications. Request packing lists and certificates of conformity to facilitate quality assurance.
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30 suppliersBuy Ceramic Ball------Si3n4 B in Bulk — Verified Supplier in China
When sourcing Ceramic Ball------Si3n4 Ball for your business, securing the right balance of quality and cost is essential. Shanghai Unite Technology Co., Ltd., a verified supplier based in China, offers this product with key specifications including G5, G10, G16, G20, G40 (ISO 3290 standard), Si3N4 > 93%, with Al2O3 and Y2O3 sintering aids, and Diameter range 1.0 mm to 50.8 mm (1/2 inch), common sizes 3 mm, 5 mm, 8 mm, 10 mm, 15.875 mm, 25.4 mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $80500./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 6909.19, making it a staple in the Abrasives sector with strong demand from importing countries worldwide.
Ceramic Ball------Si3n4 B Specifications, Trade Terms & Pricing
Importing Ceramic Ball------Si3n4 B requires careful attention to shipping logistics, customs compliance, and secure payment terms. Shanghai Unite Technology Co., Ltd. offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. To ensure a smooth transaction, buyers should verify import duties for HS Code 6909.19 in their destination country. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading global B2B marketplace designed to make cross-border trade secure and efficient.
About Shanghai Unite Technology Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Ceramic Ball------Si3n4 B has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Abrasives category and connect with top-tier exporters on our comprehensive import export marketplace. Start your sourcing journey today.
Import Ceramic Ball------Si3n4 B — Shipping, Logistics & Customs
Importing Ceramic Ball------Si3n4 B requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties for HS Code 6909.19 in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).
Frequently Asked Questions About Ceramic Ball------Si3n4 B
What is the wholesale price of Ceramic Ball------Si3n4 Ball?
The current listed wholesale price for Ceramic Ball------Si3n4 Ball from Shanghai Unite Technology Co., Ltd. is $80500./Unit on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Shanghai Unite Technology Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Ceramic Ball------Si3n4 B?
The supplier, Shanghai Unite Technology Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Ceramic Ball------Si3n4 B. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Ceramic Ball------Si3n4 Ball?
For international shipping and customs clearance, Ceramic Ball------Si3n4 Ball is classified under HS Code 6909.19. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Ceramic Ball------Si3n4 B from China?
To import Ceramic Ball------Si3n4 B from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Shanghai Unite Technology Co., Ltd.. Ensure you have the necessary import licenses for Abrasives products in your destination country.
Is Shanghai Unite Technology Co., Ltd. a verified supplier?
Yes, Shanghai Unite Technology Co., Ltd. is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.
What are the key specifications of Ceramic Ball------Si3n4 Ball?
The key specifications for Ceramic Ball------Si3n4 Ball supplied by Shanghai Unite Technology Co., Ltd. include G5, G10, G16, G20, G40 (ISO 3290 standard), Si3N4 > 93%, with Al2O3 and Y2O3 sintering aids, and Diameter range 1.0 mm to 50.8 mm (1/2 inch), common sizes 3 mm, 5 mm, 8 mm, 10 mm, 15.875 mm, 25.4 mm. For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to the supplier through EximNext.
What packaging options are available for bulk orders of Ceramic Ball------Si3n4 B?
Shanghai Unite Technology Co., Ltd. offers Ceramic Ball------Si3n4 B with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Ceramic Ball------Si3n4 B the most?
Ceramic Ball------Si3n4 B is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Shanghai Unite Technology Co., Ltd. through our platform.
What certifications does this Ceramic Ball------Si3n4 B supplier hold?
Shanghai Unite Technology Co., Ltd. maintains international quality certifications. These ensure that the Ceramic Ball------Si3n4 B meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Ceramic Ball------Si3n4 Ball on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Shanghai Unite Technology Co., Ltd. will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.
What payment methods are accepted?
Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Shanghai Unite Technology Co., Ltd..
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