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Flange
Zhengzhou Huitong Pipe Fitting Company supplies flanges in carbon steel, stainless steel 304/316, and alloy steel, conforming to ANSI/ASME, DIN, and JIS standards. Sizes range from DN15 to DN2000, with pressure classes from Class 150 to Class 900. These flanges are forged and machined for use in high-pressure industrial systems, particularly in oil and gas, chemical processing, and power generation sectors.
The carbon steel variants are typically ASTM A105, while stainless options meet ASTM A182 F304 or F316. Alloy steel flanges are produced from ASTM A182 F22 or F91 for high-temperature service. Surface finish complies with ASME B16.5 requirements for sealing surfaces, and dimensional tolerances follow the applicable standard. These are not cast components; they are hot-forged to ensure grain integrity under stress.
Buyers include engineering firms in the Middle East, Africa, and Southeast Asia sourcing for refinery upgrades and water infrastructure. Packaging is in fumigated wooden crates, and shipment is typically FOB Qingdao or CIF. MOQ is 5 pieces per size and standard, confirmed directly with the supplier. Lead time is 4 to 6 weeks after order confirmation and deposit receipt.
| Material | Carbon Steel (ASTM A105), Stainless Steel 304/316 (ASTM A182), Alloy Steel (ASTM A182 F22/F91) |
| Standards | ANSI/ASME B16.5, DIN 2573, JIS B2220 |
| Size Range | DN15 to DN2000 (1/2 inch to 80 inches) |
| Pressure Class | Class 150 to Class 900 (ANSI), PN16 to PN160 (DIN) |
| Flange Type | Weld Neck, Slip On, Blind, Socket Weld, Threaded, Lap Joint (available) |
| Surface Finish | 125 to 250 microinches Ra (typical for ANSI/ASME sealing surfaces) |
| Manufacturing Process | Hot forged, CNC machined |
| Tensile Strength (typical) | 485 MPa minimum for carbon steel (ASTM A105), 515 MPa minimum for SS 304 (ASTM A182) |
| Chemical Composition (typical SS 304) | Cr 18-20%, Ni 8-12%, C max 0.08%, Mn max 2.0% (standard per ASTM A182) |
| Packaging | Fumigated wooden crates with plastic lining, moisture sealed |
Zhengzhou Huitong Pipe Fitting Company is based in Jinshui District, Zhengzhou, and specializes in forged and machined pipe fittings for export markets. The company has a harbor-tier trust rating, indicating verified business registration and physical address. No public information is available regarding years in operation, workforce size, revenue, or client list. The listing does not claim ISO certification or internal testing facilities.
The supplier offers multiple material grades and conforms to international standards, but does not provide details on heat treatment, non-destructive testing, or batch traceability beyond standard practice. Buyers must request specific certifications and test reports directly. Response rates are unrecorded, and communication must be initiated through official channels.
EximNext offers a comprehensive range of industrial pipe flanges designed for high-pressure piping systems across oil and gas, chemical processing, and power generation sectors. Available in carbon steel, stainless steel 304/316, and alloy grades, our flanges conform to ANSI/ASME, DIN, and JIS standards in various sizes from DN15 to DN2000. Ideal for import-export trade, these forged and machined flanges are packaged in fumigated wooden crates for secure global shipping and competitive pricing.
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Sourcing Flange from Zhengzhou Huitong Pipe Fitting Company - China Import Guide
Verify the material grade and standard compliance (ANSI, DIN, or JIS) before placing an order. Request certified material test reports for each batch, especially for stainless and alloy steel flanges. Confirm the heat treatment method for carbon steel and request impact test data if the flanges will operate in low-temperature or high-stress environments.
Confirm Incoterms, typically FOB Qingdao, and whether packaging includes fumigation certificates for international shipping. Lead times are 4 to 6 weeks, but may extend during peak seasons. Payment terms are often 30% advance, 70% against BL copy. Clarify if the supplier handles export documentation or if the buyer must arrange customs clearance independently.
Upon delivery, inspect for surface cracks, dimensional deviations, and correct marking of size, pressure class, and material. Use a caliper and template to verify bolt hole alignment and face flatness. Perform a dye penetrant test on sealing surfaces if the application involves hazardous media. Retain all certificates and test reports for traceability and regulatory compliance.
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30 suppliersBuy Flange in Bulk — Supplier in China
When sourcing Flange for your business, securing the right balance of quality and cost is essential. Zhengzhou Huitong Pipe Fitting Company, a supplier based in China, offers this product with key specifications including Welding Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Carbon Steel (ASTM A105), Stainless Steel (SS 304/316), Alloy Steel (F11/F22), and DN15 to DN2000 / 1/2" to 48" (NPS). By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $200/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. 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 Specifications, Trade Terms & Pricing
Importing Flange requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhengzhou Huitong Pipe Fitting Company 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 B2B marketplace designed to make cross-border trade secure and efficient.
About Zhengzhou Huitong Pipe Fitting Company — Supplier in China
Finding trustworthy partners is the foundation of successful importing. Ask the supplier of this Flange for business registration and quality documents before ordering. 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 manufacturers and exporters across 200+ countries. Explore similar products in the Flanges category and connect with top-tier exporters on our comprehensive global B2B marketplace. Start your sourcing journey today.
Import Flange — Shipping, Logistics & Customs
Importing Flange 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
What is the wholesale price of Flange?
The current listed wholesale price for Flange from Zhengzhou Huitong Pipe Fitting Company is $200/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 Zhengzhou Huitong Pipe Fitting Company through EximNext.
What is the Minimum Order Quantity (MOQ) for Flange?
The supplier, Zhengzhou Huitong Pipe Fitting Company, has set a Minimum Order Quantity (MOQ) of 1 Bags for Flange. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Flange?
For international shipping and customs clearance, Flange 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 from China?
To import Flange from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhengzhou Huitong Pipe Fitting Company. Ensure you have the necessary import licenses for Flanges products in your destination country.
How can I check Zhengzhou Huitong Pipe Fitting Company before ordering?
Open the Zhengzhou Huitong Pipe Fitting Company company profile on EximNext to see the details the company has provided. Before a bulk order, ask for business registration, certificates and export documents, and consider a sample or a small trial order.
What are the key specifications of Flange?
The key specifications for Flange supplied by Zhengzhou Huitong Pipe Fitting Company include Welding Neck, Slip-On, Blind, Socket Weld, Lap Joint, Threaded, Carbon Steel (ASTM A105), Stainless Steel (SS 304/316), Alloy Steel (F11/F22), and DN15 to DN2000 / 1/2" to 48" (NPS). 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?
Zhengzhou Huitong Pipe Fitting Company offers Flange with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Flange the most?
Flange is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhengzhou Huitong Pipe Fitting Company through our platform.
What certifications does this Flange supplier hold?
Zhengzhou Huitong Pipe Fitting Company maintains international quality certifications. These ensure that the Flange meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Flange on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhengzhou Huitong Pipe Fitting Company 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 Zhengzhou Huitong Pipe Fitting Company.
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