Import Flange — Buy in wholesale FOB from Supplier in China
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Flange
These flanges are made from carbon steel 20Mn (20Manganese), a low-alloy steel with enhanced strength over standard carbon grades, and are manufactured to ASME B16.5 and DIN standards. Available in weld neck and slip-on configurations, they are designed for high-pressure applications in oil and gas and power generation systems. The material provides high tensile strength and impact resistance without requiring post-weld heat treatment in most cases.
20Mn steel contains approximately 0.17% to 0.24% carbon and 1.20% to 1.60% manganese, which improves hardenability and weldability. Typical yield strength ranges from 355 to 490 MPa, and elongation exceeds 20%. These properties align with ASTM A105 and DIN 17155 specifications. The flanges are not coated or plated; surface treatment is limited to mill scale removal or light blasting for better sealing contact.
Industrial buyers in petrochemical plants, refineries, and thermal power stations use these flanges for steam, gas, and hydrocarbon pipelines. Packaging is typically in steel banding or wooden crates with rust inhibitors. Trade terms include FOB, CIF, and CFR, with shipment from Chinese ports such as Tianjin or Qingdao. Minimum order quantities are not stated and must be confirmed with the supplier.
| Material | Carbon Steel 20Mn (20Manganese) |
| Standard | ASME B16.5, DIN 2573 |
| Type | Slip-on, Weld Neck |
| Pressure Class | Class 150 to Class 2500 |
| Nominal Pipe Size | 1/2 inch to 48 inch (typical range) |
| Tensile Strength | 500 - 650 MPa (typical for 20Mn) |
| Yield Strength | 355 - 490 MPa (typical for 20Mn) |
| Carbon Content | 0.17% - 0.24% (standard for 20Mn) |
| Manganese Content | 1.20% - 1.60% (standard for 20Mn) |
| Packaging | Steel banding or wooden crates with rust inhibitor (typical) |
Shaanxi Cfsm Sales & Engineering Co., Ltd. is based in Yanta District, Xi'an, Shaanxi Province, China. The company is listed with harbor trust tier, indicating verified export activity. No details are provided about company history, workforce size, production volume, or certifications. The listing confirms the ability to supply carbon steel flanges to international standards but does not reference clients, audits, or internal quality systems.
The supplier's address is complete and traceable. Response rate and average response time are not available, suggesting limited buyer interaction on the platform. There is no mention of testing facilities, third-party inspections, or in-house metallurgical controls. Buyers must request documentation for material compliance and dimensional accuracy directly from the supplier.
These 20Mn carbon steel flanges are engineered for high-pressure industrial pipe connections in sectors including oil and gas, petrochemical, water treatment, and power generation. Manufactured to international standards such as ASME B16.5 and DIN, they offer excellent mechanical strength and reliable sealing performance in demanding environments. Suitable for international trade with flexible Incoterms including FOB, CIF, and CFR pricing available for global buyers and distributors.
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Sourcing Flange from Shaanxi Cfsm Sales & Engineering Co., Ltd. - China Import Guide
Verify material composition with a chemical analysis report for 20Mn steel, ensuring carbon and manganese levels fall within ASTM A105 limits. Confirm pressure class and flange type match your piping system. Request dimensional drawings for non-standard sizes, as deviations can cause assembly failures. Do not accept flanges without traceable batch numbers.
Lead time is not stated and depends on production load. Confirm Incoterms such as FOB Tianjin or CIF destination port. Payment terms like T/T or L/C should be agreed upon before production. Packaging must include rust preventive coating and moisture barriers, especially for sea transport to humid climates.
Inspect flanges for surface cracks, porosity, or misaligned bolt holes. Use a hardness tester to ensure values are below 200 HB. Request a dye penetrant test report for weld neck flanges. Ensure all documentation includes the supplier's stamp, material standard reference, and compliance with ASME B16.5 or DIN 2573 for customs clearance.
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100 listingsTop Verified Suppliers for Flange
30 suppliersBuy Flange in Bulk — Verified Supplier in China
When sourcing Flange for your business, securing the right balance of quality and cost is essential. Shaanxi Cfsm Sales & Engineering Co., Ltd., a verified supplier based in China, offers this product with key specifications including 20Mn Carbon Steel / Low Alloy Steel Flange, Carbon Steel with ~0.18-0.25% C, ~0.6-0.9% Mn, Fe balance, and DN15 to DN600 (1/2" to 24"), varies by pressure class. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $260/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. Shaanxi Cfsm Sales & Engineering 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 Shaanxi Cfsm Sales & Engineering Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Flange 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 — 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 Shaanxi Cfsm Sales & Engineering Co., Ltd. is $260/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 Shaanxi Cfsm Sales & Engineering Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Flange?
The supplier, Shaanxi Cfsm Sales & Engineering Co., Ltd., 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 Shaanxi Cfsm Sales & Engineering Co., Ltd.. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Shaanxi Cfsm Sales & Engineering Co., Ltd. a verified supplier?
Yes, Shaanxi Cfsm Sales & Engineering 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?
The key specifications for Flange supplied by Shaanxi Cfsm Sales & Engineering Co., Ltd. include 20Mn Carbon Steel / Low Alloy Steel Flange, Carbon Steel with ~0.18-0.25% C, ~0.6-0.9% Mn, Fe balance, and DN15 to DN600 (1/2" to 24"), varies by pressure class. 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?
Shaanxi Cfsm Sales & Engineering Co., Ltd. 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 Shaanxi Cfsm Sales & Engineering Co., Ltd. through our platform.
What certifications does this Flange supplier hold?
Shaanxi Cfsm Sales & Engineering Co., Ltd. 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. Shaanxi Cfsm Sales & Engineering 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 Shaanxi Cfsm Sales & Engineering Co., Ltd..
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