Product Description
Product Overview
Our HD Steel ASME B16.5 NPS 10" Weld Neck Flanges are meticulously forged from high-quality carbon steel and stainless steel materials, engineered to meet the rigorous demands of ASME B16.5 standards. With pressure ratings spanning from 150lb to 1500lb, these flanges deliver outstanding mechanical strength and resilience, making them the ideal choice for high-performance pipeline applications in a variety of industries.
Crafted to withstand extreme operational conditions, the weld neck flange design ensures leak-proof, secure connections, capable of enduring high pressure and temperature fluctuations. This design makes them a preferred solution for oil & gas, petrochemical, water treatment, and industrial pipeline systems that demand top-tier reliability and performance.
Available across a range of pressure classes and offered in both carbon steel and stainless steel materials, these flanges provide versatile, customized solutions for piping fittings, ensuring optimal compatibility and durability.
Key Features:
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Size: NPS 10" for large-diameter applications
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Pressure Ratings: Available in 150lb, 300lb, 600lb, 900lb, 1500lb to suit a range of operational pressures
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Materials: Manufactured from premium carbon steel and stainless steel for superior strength and resistance to corrosion
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Standard: Conforms to ASME B16.5 for reliable performance and industry compliance
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Type: Forged Weld Neck Flange—designed for secure, leak-tight connections in critical pipeline systems
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Mechanical Properties: Exceptional strength, corrosion resistance, and durability to withstand harsh environments
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Applications: Perfectly suited for demanding industries such as oil & gas, petrochemical, water treatment, and other heavy-duty industrial applications
With their ability to handle high pressures and extreme temperatures, our HD Steel Weld Neck Flanges are engineered to meet the challenges of the most demanding industrial systems, offering a reliable and long-lasting solution for your pipeline needs.
Product Specifications
| Flange Type | Material | Standard / Grade | Size Range (Nominal Diameter) | Pressure Class |
|---|---|---|---|---|
| Weld Neck RF Flange | Carbon Steel, Alloy Steel, Stainless Steel | ASME B16.5 / ASTM A105, A350 LF2, A182 F304/F316, etc. | DN15 – DN3000 (½″ – 120″) | Class 150–2500 |
| Weld Neck RTJ Flange | Carbon Steel, Alloy Steel, Stainless Steel | ASME B16.5 / ASTM A182 F11/F22/F321, etc. | DN50 – DN3000 (2″ – 120″) | Class 300–2500 |
| Large Diameter WN Flange | Carbon Steel, Alloy Steel | ASME B16.47 Series A & B / ASTM A105, A350 LF2, etc. | DN400 – DN3000 (16″ – 120″) | Class 75–900 |
Sealing Face Options:
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RF (Raised Face)
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RTJ (Ring Type Joint)
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FF (Flat Face)
Company Introduction — Hebei Cangtie Industrial Co., Ltd
Hebei Cangtie Industrial Co., Ltd is a leading manufacturer and exporter of industrial flanges and pipe fittings, including weld neck flanges, slip-on flanges, socket weld flanges, blind flanges, elbows, reducers, and customized forged components.
Our production facility in Yanshan Economic Development Zone, Cangzhou City, Hebei Province, China is equipped with CNC machining centers, forging presses, welding lines, and advanced inspection equipment to ensure dimensional accuracy and product quality.
With over 10 years of manufacturing and export experience, our products meet ASME, ANSI, DIN, JIS, EN, and GB standards, serving clients in oil & gas, chemical processing, power generation, shipbuilding, and construction industries worldwide.
Contact Us
Contact Person: Hudson Liu
Mobile / WhatsApp: +86 157 3370 8805
Email: hudson@cangtiepipe.com
Website: https://ctflange.com/
Factory Address: Yanshan Economic Development Zone, Yanshan County, Cangzhou City, Hebei Province, China
Frequently Asked Questions (FAQ)
1. Are you a manufacturer or trading company?
We are a manufacturer with our own factory in Hebei, China, specializing in steel flanges and pipe fittings.
2. What materials do you offer?
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Carbon Steel: ASTM A105, ASTM A350 LF2, Q235, Q345, etc.
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Stainless Steel: 304, 304L, 316, 316L, 321, etc.
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Alloy Steel: ASTM A182 F11, F22, F5, F9, etc.
3. Which standards do your products comply with?
ASME B16.5, ASME B16.47, ANSI, ASTM, DIN, JIS, EN, GB — with third-party inspection available.
4. Do you support OEM/ODM services?
Yes, we can produce according to drawings, with custom machining, coating, marking, and packaging.
5. What is your MOQ?
MOQ is typically 1 piece for standard items; customized parts may vary.
6. Do you provide samples?
Yes, free samples for standard sizes; buyers cover freight cost.
7. What is your delivery time?
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In-stock: 3–5 working days
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Bulk/custom orders: 10–30 working days
8. How do you ensure quality?
We perform raw material inspection, in-process dimensional checks, non-destructive testing (NDT), and final pressure/leak tests. Third-party testing is available upon request.
