Import Flange Classification-Asme B16.5 — Buy in wholesale FOB from Supplier in China
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Flange Classification-ASME B16.5
ASME B16.5 flanges are forged pipe connection components designed for pressure piping systems in oil, gas, petrochemical, and power generation industries. These flanges are manufactured in carbon steel or stainless steel grades 304 and 316, with pressure ratings from 150 to 2500 lbs and nominal pipe sizes from NPS 1/2 to NPS 24. They are available in six types: welding neck, slip on, socket weld, lap joint, threaded, and blind, each serving distinct installation and stress requirements.
Forging processes follow ASTM A105 for carbon steel and ASTM A182 for stainless steel, ensuring grain flow alignment and mechanical integrity. Typical dimensional tolerances for flange face flatness are ±0.05 mm, and bolt hole positioning follows ASME B16.5 Table 7. The material is often heat-treated to relieve stress after forging. Surface finish on the raised face is 125 to 250 microinches Ra, suitable for gasket sealing under high pressure.
These flanges are purchased by engineering contractors, pipeline fabricators, and plant maintenance teams operating in high-pressure environments. Orders are typically placed in full pallets of 10 to 50 units per size and rating. Packaging is in wooden crates with moisture barriers. Trade terms are commonly FOB Shanghai Port or CIF destination, with lead times of 30 to 45 days depending on grade and pressure class.
| Standard | ASME B16.5 |
| Material Options | Carbon Steel (ASTM A105), Stainless Steel 304/316 (ASTM A182) |
| Pressure Ratings | 150, 300, 400, 600, 900, 1500, 2500 lbs |
| Nominal Pipe Sizes | NPS 1/2 to NPS 24 |
| Flange Types | Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded, Blind |
| Flange Face Type | Raised Face (RF) or Flat Face (FF) - standard per ASME B16.5 |
| Typical Surface Finish | 125 to 250 microinches Ra (raised face), standard for gasket sealing |
| Typical Bolt Hole Tolerance | ±0.25 mm radial, standard for alignment under torque |
| Typical Thickness Tolerance | ±1.5% of nominal thickness (per ASME B16.5 Section 7) |
| Packaging | Wooden crates with moisture-proof lining, labeled by size and rating |
Vulcan Metals Shanghai Co., Ltd. is a supplier based in the Songjiang District of Shanghai, China, focused on forged flanges and piping components. The listing confirms the supplier’s location and product focus but provides no details on manufacturing capability, workforce size, or years in operation. Trust tier is harbor, indicating export readiness, but response rate and average response time are zero, suggesting no active customer engagement system.
The company appears to act as a trading or distribution entity for forged flanges rather than a primary manufacturer. There is no mention of in-house forging facilities, heat treatment processes, or NDT certification. Buyers should request material certifications, dimensional inspection reports, and forging traceability records directly before ordering, as these are not stated in the listing.
ASME B16.5 flanges are forged pipe connection components widely used in oil and gas, petrochemical, and power generation pipeline systems. These flanges cover six types: Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded, and Blind, available in pressure ratings from 150 to 2500 lbs and sizes from NPS 1/2 to NPS 24. They are essential for international trade in industrial piping components and are typically manufactured in carbon steel or stainless steel grades such as 304 and 316 for high-pressure and corrosive service environments.
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Sourcing Flange Classification-ASME B16.5 from Vulcan Metals Shanghai Co., Ltd. - China Import Guide
Before ordering, confirm the exact material grade (ASTM A105 or A182), pressure class, and flange type. Request material test reports with heat lot numbers and verify dimensional compliance with ASME B16.5 tables. Do not accept flanges without traceable certification, even if offered at lower prices.
Lead time is typically 30 to 45 days for forged flanges, depending on pressure class and material availability. Confirm Incoterms - FOB Shanghai Port is common - and ensure the supplier provides a commercial invoice, packing list, and export declaration. Payment terms are often 50% advance, 50% against shipping documents. Clarify whether export documentation is included.
Upon arrival, inspect flanges for surface defects, correct markings, and matching pressure ratings. Use a caliper to verify bore diameter and flange thickness. Check bolt hole alignment with a template. Retain samples for 90 days. If used in critical systems, arrange for third-party inspection before installation.
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13 listingsTop Verified Suppliers for Flange Classification-ASME B16.5
30 suppliersBuy Flange Classification-Asm in Bulk — Verified Supplier in China
When sourcing Flange Classification-Asme B16.5 for your business, securing the right balance of quality and cost is essential. Vulcan Metals Shanghai Co., Ltd., a verified supplier based in China, offers this product with key specifications including Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded, Blind, ASME B16.5, and NPS 1/2 to NPS 24. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $2,8006,500./Unit and manage bulk orders with a minimum order quantity (MOQ) of 1 Unit. This product is actively traded under HS Code 7307.21, making it a staple in the Flanges sector with strong demand from importing countries worldwide.
Flange Classification-Asm Specifications, Trade Terms & Pricing
Importing Flange Classification-Asm requires careful attention to shipping logistics, customs compliance, and secure payment terms. Vulcan Metals Shanghai 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 7307.21 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 Vulcan Metals Shanghai Co., Ltd. — Supplier in China
Finding trustworthy partners is the foundation of successful importing. The supplier of this Flange Classification-Asm 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 Classification-Asm — Shipping, Logistics & Customs
Importing Flange Classification-Asm 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 7307.21 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 Classification-Asm
What is the wholesale price of Flange Classification-Asme B16.5?
The current listed wholesale price for Flange Classification-Asme B16.5 from Vulcan Metals Shanghai Co., Ltd. is $2,8006,500./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 Vulcan Metals Shanghai Co., Ltd. through EximNext.
What is the Minimum Order Quantity (MOQ) for Flange Classification-Asm?
The supplier, Vulcan Metals Shanghai Co., Ltd., has set a Minimum Order Quantity (MOQ) of 1 Unit for Flange Classification-Asm. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.
What is the HS Code for Flange Classification-Asme B16.5?
For international shipping and customs clearance, Flange Classification-Asme B16.5 is classified under HS Code 7307.21. Buyers should verify their local customs regulations to determine applicable import duties and taxes for this classification.
How can I import Flange Classification-Asm from China?
To import Flange Classification-Asm from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Vulcan Metals Shanghai Co., Ltd.. Ensure you have the necessary import licenses for Flanges products in your destination country.
Is Vulcan Metals Shanghai Co., Ltd. a verified supplier?
Yes, Vulcan Metals Shanghai 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 Classification-Asme B16.5?
The key specifications for Flange Classification-Asme B16.5 supplied by Vulcan Metals Shanghai Co., Ltd. include Welding Neck, Slip On, Socket Weld, Lap Joint, Threaded, Blind, ASME B16.5, and NPS 1/2 to NPS 24. 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 Classification-Asm?
Vulcan Metals Shanghai Co., Ltd. offers Flange Classification-Asm with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.
Which countries import Flange Classification-Asm the most?
Flange Classification-Asm is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Vulcan Metals Shanghai Co., Ltd. through our platform.
What certifications does this Flange Classification-Asm supplier hold?
Vulcan Metals Shanghai Co., Ltd. maintains international quality certifications. These ensure that the Flange Classification-Asm meets international quality, safety, and regulatory standards required for cross-border trade.
How do I place a bulk order for Flange Classification-Asme B16.5 on EximNext?
Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Vulcan Metals Shanghai 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 Vulcan Metals Shanghai Co., Ltd..
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