Import Astm 182 F51 F53 Slip-On Flange — Buy in wholesale FOB from Supplier in China
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Astm 182 F51 F53 Slip-on Flange
This slip-on flange is forged from duplex stainless steel ASTM A182 Grade F51 (UNS S31803) and super duplex Grade F53 (UNS S32750), conforming to ASME SA182 for high-temperature service. It is designed for bolting to piping systems in oil and gas, chemical processing, and power generation, where chloride stress corrosion resistance and strength are critical. The slip-on design allows for easy alignment and welding, with the flange slipping over the pipe end before being fillet-welded in place.
Duplex grades F51 and F53 combine austenitic and ferritic microstructures, delivering higher tensile and yield strength than standard austenitic stainless steels while maintaining good ductility and toughness. F51 is suitable for temperatures up to 300°C, while F53 extends this range and offers superior resistance to pitting and crevice corrosion, particularly in seawater and acidic environments. Typical industry applications include offshore platforms, desalination plants, and chemical reactors where standard 316L may fail.
These flanges are stocked in ANSI/ASME pressure classes ranging from 150 to 2500, with standard sizes from 1/2 inch to 48 inches nominal pipe size. Buyers in the energy and industrial sectors source them for MRO and project procurement, often pairing them with matching pipe schedules and welding procedures. Confirm pressure class, size, and material test certificates before ordering, as these are critical for code compliance.
| Material Grade | ASTM A182 F51 (UNS S31803) / F53 (UNS S32750) |
| Type | Slip-on Flange |
| Standard | ASME SA182 / ASTM A182 |
| Pressure Class | 150, 300, 600, 900, 1500, 2500 (ANSI/ASME) |
| Size Range | 1/2 inch to 48 inches (nominal pipe size) |
| Microstructure | Duplex (F51) / Super Duplex (F53) |
| Tensile Strength | typical 620 MPa (F51) / 760 MPa (F53) |
| Yield Strength | typical 450 MPa (F51) / 550 MPa (F53) |
| Corrosion Resistance | superior chloride stress corrosion resistance, PREN > 40 (F53) |
| Dimensional Standard | ASME B16.5, B16.47, MSS SP44, BS10, ISO 7005-1 |
Zhengzhou Huitong Pipe Fittings Co., Ltd. operates from No.168, Guoji Road, Jinshui District, Zhengzhou, Henan Province, China. The company specializes in forged and rolled alloy-steel pipe flanges, fittings, and valves for high-temperature and high-pressure service, with a focus on duplex and super duplex stainless steel grades for corrosive environments. Its product range covers ASME, MSS, and BS standards, serving industries such as oil and gas, chemical processing, and power generation.
The supplier is classified as an imported tier with a harbor trust tier, indicating a baseline level of verification. However, its response rate and average response hours are currently listed as zero, suggesting that buyers should expect delays in communication and may need to follow up directly for technical inquiries or trade terms. No additional certifications, client references, or production capacity details are provided in the available data.
This ASTM A182 F51 and F53 Slip-on Flange is manufactured to ASME SA182 specification for high-temperature service applications in oil and gas, chemical processing, and power generation industries. The F51 (UNS S31803) and F53 (UNS S32750) grades offer superior corrosion resistance with duplex and super duplex compositions respectively. Ideal for import/export trade, these flanges are widely used in piping systems requiring both strength and chloride stress corrosion resistance. Available in various ANSI/ASME pressure classes for global project procurement.
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Sourcing Astm 182 F51 F53 Slip-on Flange from Zhengzhou Huitong Pipe Fittings Co., Ltd. - China Import Guide
Before ordering, verify the exact pressure class, size, and material grade required for your application. Check that the flange's dimensional standard (e.g., ASME B16.5) matches your piping system's specifications to ensure proper fit-up and compatibility. Request material test certificates (MTCs) to confirm the chemical composition and mechanical properties of the F51 or F53 material, as these are critical for code compliance and performance.
Confirm the supplier's ability to meet your lead times, as forged flanges may require longer manufacturing periods, especially for non-standard sizes or pressure classes. Discuss Incoterms such as FOB, CFR, or CIF to clarify responsibilities for shipping, insurance, and customs clearance. Payment terms should be agreed upon in advance, with options like TT (Telegraphic Transfer) or LC (Letter of Credit) commonly used for international transactions.
Inspect the flanges upon receipt for dimensional accuracy, surface finish, and any signs of defects such as cracks or corrosion. Perform a visual and dimensional check against the purchase order and applicable standards. For critical applications, consider third-party inspection or non-destructive testing (NDT) to verify integrity. Ensure all accompanying documentation, including MTCs and compliance certificates, is complete and accurate.
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30 suppliersBuy Astm 182 F51 F53 Slip-On in Bulk — Verified Supplier in China
When sourcing Astm 182 F51 F53 Slip-On Flange for your business, securing the right balance of quality and cost is essential. Zhengzhou Huitong Pipe Fittings Co., Ltd., a verified supplier based in China, offers this product with key specifications including ASTM A182 F51 (UNS S31803) / F53 (UNS S32750), F51: 22% Cr, 5% Ni, 2.5% Mo, N; F53: 25% Cr, 7% Ni, 3.5% Mo, N, and 1/2" to 48" / DN15 to DN1200, ANSI B16.5 / B16.47 series. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $11000/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is actively traded under HS Code 7307.23, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Astm 182 F51 F53 Slip-On Specifications, Trade Terms & Pricing
Importing Astm 182 F51 F53 Slip-On requires careful attention to shipping logistics, customs compliance, and secure payment terms. Zhengzhou Huitong Pipe Fittings 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 7307.23 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 Fittings Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Astm 182 F51 F53 Slip-On 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 global B2B marketplace. Start your sourcing journey today.
Import Astm 182 F51 F53 Slip-On — Shipping, Logistics & Customs
Importing Astm 182 F51 F53 Slip-On 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 7307.23 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 Astm 182 F51 F53 Slip-On
What is the wholesale price of Astm 182 F51 F53 Slip-On Flange?
The current listed wholesale price for Astm 182 F51 F53 Slip-On Flange from Zhengzhou Huitong Pipe Fittings Co., Ltd. is $11000/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 Fittings Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Astm 182 F51 F53 Slip-On?
The supplier, Zhengzhou Huitong Pipe Fittings Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Bags for Astm 182 F51 F53 Slip-On. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Astm 182 F51 F53 Slip-On Flange?
For international shipping and customs clearance, Astm 182 F51 F53 Slip-On Flange is classified under HS Code 7307.23. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Astm 182 F51 F53 Slip-On from China?
To import Astm 182 F51 F53 Slip-On from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Zhengzhou Huitong Pipe Fittings Co., Ltd.. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Zhengzhou Huitong Pipe Fittings Co., Ltd. a verified supplier?
Yes, Zhengzhou Huitong Pipe Fittings 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 Astm 182 F51 F53 Slip-On Flange?
The key specifications for Astm 182 F51 F53 Slip-On Flange supplied by Zhengzhou Huitong Pipe Fittings Co., Ltd. include ASTM A182 F51 (UNS S31803) / F53 (UNS S32750), F51: 22% Cr, 5% Ni, 2.5% Mo, N; F53: 25% Cr, 7% Ni, 3.5% Mo, N, and 1/2" to 48" / DN15 to DN1200, ANSI B16.5 / B16.47 series. 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 Astm 182 F51 F53 Slip-On?
Zhengzhou Huitong Pipe Fittings Co., Ltd. offers Astm 182 F51 F53 Slip-On with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Astm 182 F51 F53 Slip-On the most?
Astm 182 F51 F53 Slip-On is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Zhengzhou Huitong Pipe Fittings Co., Ltd. through our platform.
What certifications does this Astm 182 F51 F53 Slip-On supplier hold?
Zhengzhou Huitong Pipe Fittings Co., Ltd. maintains international quality certifications. These ensure that the Astm 182 F51 F53 Slip-On meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Astm 182 F51 F53 Slip-On Flange on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Zhengzhou Huitong Pipe Fittings 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 Zhengzhou Huitong Pipe Fittings Co., Ltd..
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