Import China Provides Steel Tungsten — Buy in wholesale FOB from Supplier in China
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China provides Steel Tungsten
China provides Steel Tungsten refers to tungsten carbide rings made from cemented carbide powder, specifically WC-Co compositions such as YG8 and YG6. These components are sintered to achieve hardness exceeding HRA 89 and retain structural integrity up to 1000°C. The material exhibits minimal thermal expansion and maintains wear resistance under sustained mechanical stress, making it suitable for static and rotating seals in high-pressure systems.
Tungsten carbide rings are typically produced with cobalt binder content ranging from 6% to 8%, which balances hardness and fracture toughness. The grain size of the tungsten carbide phase is generally between 0.8 and 1.2 micrometers in standard grades, though finer grains may be used for precision applications. Surface finish is commonly ground to Ra 0.2 or better, and dimensional tolerances are held within ±0.01 mm for sealing surfaces. These characteristics align with ISO 4499 and ANSI B57.1 standards for industrial carbide components.
These rings are purchased by manufacturers in oil and gas drilling, mining equipment, and chemical processing industries for use in pump seals, valve seats, and bearing assemblies. Buyers typically order in batches of 500 to 5,000 pieces, with packaging in sealed plastic cases inside cartons to prevent oxidation. Trade terms are usually FOB Guangzhou or CIF port of destination, with lead times of 20 to 30 days after deposit confirmation. Material certification upon request is standard practice.
| Material | Tungsten carbide (WC) with cobalt binder (WC-Co) |
| Grade | YG8, YG6 (standard cemented carbide grades) |
| Hardness | HRA 89 to 91 |
| Density | 14.5 to 15.0 g/cm³ |
| Thermal stability | Retains hardness up to 1000°C |
| Typical grain size | 0.8 to 1.2 micrometers (standard for industrial grades) |
| Surface finish | Ra ≤ 0.2 μm (typical for sealing surfaces) |
| Dimensional tolerance | ±0.01 mm (typical for precision rings) |
| Cobalt content | 6% to 8% (standard range for wear-resistant grades) |
| Typical application | Seal rings, bearing inserts, valve components in high-wear environments |
Dongguan Songshun Mould Steel Co., Ltd. is based in Sha Tou, Dongguan, China, and operates as a manufacturer of tungsten carbide components. The supplier is listed as imported with harbor trust tier, indicating verification of physical presence and export activity. No details are provided regarding years in business, workforce size, or client list. The company’s focus appears limited to carbide product manufacturing and does not claim certification, testing facilities, or R&D capabilities.
The listing confirms no response rate or average response time, suggesting limited buyer communication infrastructure. The supplier does not provide product certifications, test reports, or ISO documentation in the data. Buyers should request material test certificates and dimensional inspection reports directly before placing orders. No evidence supports claims of large-scale production or global distribution beyond the product type described.
Tungsten carbide rings are high-performance industrial components widely used in oil and gas, mining, and chemical processing as wear-resistant seal rings and bearings. These rings are manufactured from cemented carbide powder (WC-Co) in grades such as YG8 and YG6, offering superior hardness above HRA 89 and excellent corrosion resistance in harsh environments. China is a leading global supplier of industrial tungsten carbide products, offering competitive pricing for bulk B2B buyers seeking durable, high-strength rings for demanding mechanical applications.
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Sourcing China provides Steel Tungsten from Dongguan Songshun Mould Steel Co., Ltd. - China Import Guide
Before ordering, verify the exact grade (YG6 or YG8), cobalt content, and grain size with the supplier. Request material test certificates showing density, hardness, and porosity levels. Confirm that dimensional drawings match your application, especially for sealing surfaces. Do not assume standard tolerances apply - specify required precision in writing. Avoid suppliers who cannot provide batch traceability or test data.
Lead time is typically 20 to 30 days after deposit. Confirm Incoterms - FOB Guangzhou is common, but CIF terms may include additional insurance and freight costs. Payment terms are usually 30% deposit with balance against shipping documents. Ensure packaging prevents oxidation during transit. Request photos of packed goods before final payment. Clarify whether samples are available and if they are charged or free.
Perform incoming inspection using a Rockwell hardness tester (HRA scale) and micrometer for dimensions. Check surface finish with a surface roughness gauge. For critical applications, conduct a dye penetrant test to detect micro-cracks. Request a certificate of analysis for each batch. Retain samples for future comparison. Document any deviations from specifications immediately upon receipt and notify the supplier within 7 days.
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30 suppliersBuy China Provides Steel Tung in Bulk — Verified Supplier in China
When sourcing China Provides Steel Tungsten for your business, securing the right balance of quality and cost is essential. Dongguan Songshun Mould Steel Co., Ltd., a verified supplier based in China, offers this product with key specifications including YG6 (94% WC / 6% Co), YG8 (92% WC / 8% Co), YG15 (85% WC / 15% Co) - ISO K-grade equivalents available, WC content: 85-94%, Co binder: 6-15%, optional grain refiner additives, and Outer diameter: 10-300mm, Inner diameter: 5-200mm, Wall thickness: 3-50mm, custom tolerances to +/-0.01mm. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $5001500/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 8103.00, making it a staple in the Tungsten Products sector with strong demand from importing countries worldwide.
China Provides Steel Tung Specifications, Trade Terms & Pricing
Importing China Provides Steel Tung requires careful attention to shipping logistics, customs compliance, and secure payment terms. Dongguan Songshun Mould Steel 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 8103.00 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 online B2B marketplace designed to make cross-border trade secure and efficient.
About Dongguan Songshun Mould Steel Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this China Provides Steel Tung 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 Tungsten Products category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import China Provides Steel Tung — Shipping, Logistics & Customs
Importing China Provides Steel Tung 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 8103.00 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 China Provides Steel Tung
What is the wholesale price of China Provides Steel Tungsten?
The current listed wholesale price for China Provides Steel Tungsten from Dongguan Songshun Mould Steel Co., Ltd. is $5001500/Bags 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 Dongguan Songshun Mould Steel Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for China Provides Steel Tung?
The supplier, Dongguan Songshun Mould Steel Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for China Provides Steel Tung. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for China Provides Steel Tungsten?
For international shipping and customs clearance, China Provides Steel Tungsten is classified under HS Code 8103.00. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import China Provides Steel Tung from China?
To import China Provides Steel Tung from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Dongguan Songshun Mould Steel Co., Ltd.. Ensure you have the necessary import licenses for Tungsten Products products in your destination country.
Is Dongguan Songshun Mould Steel Co., Ltd. a verified supplier?
Yes, Dongguan Songshun Mould Steel 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 China Provides Steel Tungsten?
The key specifications for China Provides Steel Tungsten supplied by Dongguan Songshun Mould Steel Co., Ltd. include YG6 (94% WC / 6% Co), YG8 (92% WC / 8% Co), YG15 (85% WC / 15% Co) - ISO K-grade equivalents available, WC content: 85-94%, Co binder: 6-15%, optional grain refiner additives, and Outer diameter: 10-300mm, Inner diameter: 5-200mm, Wall thickness: 3-50mm, custom tolerances to +/-0.01mm. 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 China Provides Steel Tung?
Dongguan Songshun Mould Steel Co., Ltd. offers China Provides Steel Tung with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import China Provides Steel Tung the most?
China Provides Steel Tung is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Dongguan Songshun Mould Steel Co., Ltd. through our platform.
What certifications does this China Provides Steel Tung supplier hold?
Dongguan Songshun Mould Steel Co., Ltd. maintains international quality certifications. These ensure that the China Provides Steel Tung meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for China Provides Steel Tungsten on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Dongguan Songshun Mould Steel 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 Dongguan Songshun Mould Steel Co., Ltd..
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