Import Flange Series — Buy in wholesale FOB from Supplier in China
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Flange Series
This flange series includes forged and plate-type pipe flanges in weld neck, slip-on, socket weld, threaded, and blind configurations, manufactured from carbon steel ASTM A105 and stainless steels 304 and 316. The products are pressure-rated from Class 150 to Class 2500 under ANSI/ASME standards, designed for use in high-pressure pipelines across oil and gas, chemical processing, and water treatment sectors. Production is based on forging and machining processes that meet standard industrial tolerances.
Carbon steel flanges follow ASTM A105 specifications with normalized heat treatment for improved toughness. Stainless steel variants contain minimum 18% chromium and 8% nickel for 304, and added molybdenum for 316 to enhance corrosion resistance. Typical machining tolerances for flange faces are ±0.5 mm, and bolt hole spacing complies with ASME B16.5. Surface finish is standard at 125 Ra unless otherwise specified, and all components are tested for dimensional accuracy prior to packaging.
The flanges are purchased by engineering firms, EPC contractors, and industrial plant operators requiring standardized components for pipeline construction. Packaging is in wooden crates or pallets with mill test certificates included. Export shipments use sea freight, with lead times typically 6 to 8 weeks. Trade terms are commonly FOB Xiamen or CIF destination port. Minimum order quantities are usually 100 pieces per size and configuration.
| Material | Carbon steel ASTM A105, stainless steel 304, stainless steel 316 |
| Configuration | Weld neck, slip-on, socket weld, threaded, blind |
| Standard | ANSI/ASME B16.5 |
| Pressure Rating | Class 150 to Class 2500 |
| Face Finish | 125 microinch Ra (typical) |
| Bolt Hole Tolerance | ±0.5 mm (typical for ANSI B16.5) |
| Size Range | NPS 1/2 to NPS 48 (standard industry range) |
| Heat Treatment | Normalized for carbon steel (typical per ASTM A105) |
| Packaging | Wooden crates or pallets with mill test certificates (typical) |
| Certification | Mill test reports available; third-party inspection optional |
Fuzhou Qiangsheng Bearing Co., Ltd. is based in Fuzhou, Fujian Province, China, with a manufacturing facility in the Jingshan Pushang Industrial Zone. The company's primary listing focuses on flange production, though its name suggests a historical focus on bearings. No details are provided regarding company age, workforce size, revenue, or client references. The supplier has no recorded response rate or average response time on the platform.
The product range indicates capability in forging and machining flanges, but no certifications, audits, or quality management systems are referenced. Buyers should treat this as a manufacturer with production capacity but unverified compliance systems. Due diligence is required to confirm material traceability, testing procedures, and export readiness before placing bulk orders.
Our Flange Series covers a comprehensive range of forged and plate-type pipe flanges including welding neck, slip-on, socket weld, threaded, and blind configurations. Available in carbon steel ASTM A105, stainless steel 304/316, and alloy grades with pressure ratings from Class 150 to Class 2500 in ANSI/ASME standards. Suitable for oil and gas pipelines, chemical processing, water treatment, and power generation applications. Exported globally in sea-worthy wooden crates or pallets with mill test certificates and third-party inspection available.
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Sourcing Flange Series from Fuzhou Qiangsheng Bearing Co., Ltd. - China Import Guide
Verify material certification against ASTM A105 or ASTM A182 for stainless steel before accepting delivery. Request a sample flange for dimensional checks, especially bolt hole spacing and face flatness. Confirm that the supplier can provide certified mill test reports per heat lot, as these are required for compliance in regulated industries like chemical processing and power generation.
Logistics are typically handled via FOB Xiamen port, with lead times of 6 to 8 weeks. Incoterms can be adjusted to CIF or CFR, but buyers must confirm insurance coverage and import duties. Payment terms are commonly 30% advance and 70% against copy of shipping documents. Ensure packaging includes anti-rust paper and is rated for long sea voyages, especially to humid climates.
Perform a pre-shipment inspection focusing on surface quality, dimensional accuracy, and material traceability. Use a hardness tester to confirm normalized condition of carbon steel flanges. Check for forging defects such as cold shuts or scale pits. Retain samples from each batch. Ensure all documentation includes traceable heat numbers and test results matching the order specification. Reject shipments lacking proper certification.
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30 suppliersBuy Flange Series in Bulk — Verified Supplier in China
When sourcing Flange Series for your business, securing the right balance of quality and cost is essential. Fuzhou Qiangsheng Bearing Co., Ltd., a verified supplier based in China, offers this product with key specifications including Welding Neck, Slip-On, Socket Weld, Threaded, Blind, Lap Joint, Carbon Steel A105, Stainless Steel 304/316, ASTM A182 F51 Duplex, and DN15 to DN1500 (1/2 inch to 60 inch). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $5120./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7307.19, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Flange Series Specifications, Trade Terms & Pricing
Importing Flange Series requires careful attention to shipping logistics, customs compliance, and secure payment terms. Fuzhou Qiangsheng Bearing 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 7307.19 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 online B2B marketplace designed to make cross-border trade secure and efficient.
About Fuzhou Qiangsheng Bearing Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Flange Series 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 Flanges category and connect with top-tier exporters on our comprehensive B2B marketplace. Start your sourcing journey today.
Import Flange Series — Shipping, Logistics & Customs
Importing Flange Series 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 7307.19 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 Flange Series
What is the wholesale price of Flange Series?
The current listed wholesale price for Flange Series from Fuzhou Qiangsheng Bearing Co., Ltd. is $5120./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 Fuzhou Qiangsheng Bearing Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Flange Series?
The supplier, Fuzhou Qiangsheng Bearing Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Flange Series. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Flange Series?
For international shipping and customs clearance, Flange Series is classified under HS Code 7307.19. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Flange Series from China?
To import Flange Series from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Fuzhou Qiangsheng Bearing Co., Ltd.. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Fuzhou Qiangsheng Bearing Co., Ltd. a verified supplier?
Yes, Fuzhou Qiangsheng Bearing 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 Flange Series?
The key specifications for Flange Series supplied by Fuzhou Qiangsheng Bearing Co., Ltd. include Welding Neck, Slip-On, Socket Weld, Threaded, Blind, Lap Joint, Carbon Steel A105, Stainless Steel 304/316, ASTM A182 F51 Duplex, and DN15 to DN1500 (1/2 inch to 60 inch). 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 Flange Series?
Fuzhou Qiangsheng Bearing Co., Ltd. offers Flange Series with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Flange Series the most?
Flange Series is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Fuzhou Qiangsheng Bearing Co., Ltd. through our platform.
What certifications does this Flange Series supplier hold?
Fuzhou Qiangsheng Bearing Co., Ltd. maintains international quality certifications. These ensure that the Flange Series meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Flange Series on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Fuzhou Qiangsheng Bearing 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 Fuzhou Qiangsheng Bearing Co., Ltd..
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