Product Description
Our Carbon Steel and Stainless Steel Pipe Flanges are precision forged fittings designed to meet ASTM A105n standards, providing reliable and durable solutions for pipeline connections. Available in both butt weld (BW) and raised face (RF) designs, these flanges ensure strong, leak-proof joints for a wide range of industrial applications.
Manufactured from high-quality carbon steel (ASTM A105n) and stainless steel grades SS304 and SS316, these flanges offer excellent corrosion resistance, mechanical strength, and suitability for demanding environments such as oil & gas, chemical processing, water treatment, and more. The plate flange design adds versatility for various piping setups.
Key Features:
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Material: Carbon Steel ASTM A105n, Stainless Steel SS304, SS316
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Types: Butt Weld (BW) Flange, Raised Face (RF) Flange, Plate Flange
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Compliance: ASTM A105n standard
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Excellent corrosion and temperature resistance
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Ideal for pipeline systems in oil & gas, petrochemical, and industrial sectors
| Product Type |
Size |
Standard | Material | Pressure Class | Face Type | Connection Type | Applications |
|---|---|---|---|---|---|---|---|
| Carbon Steel Plate Flange | DN50 (2 inch) | ANSI B16.5 | Carbon Steel ASTM A105 / A516 | Class 150 | Raised Face (RF) | Welded or Bolted | Oil & Gas, Petrochemical, Water Treatment, Industrial Piping |
| Carbon Steel Slip-On Flange | DN15 - DN600 (½" – 24") | ANSI B16.5, ASME B16.47 | ASTM A105, Q235, Q345 | Class 150 – 300 | Flat Face (FF), Raised Face (RF) | Welded | Chemical, Power Plants, Water Supply |
| Stainless Steel Welding Neck Flange | DN15 - DN300 (½" – 12") | ANSI B16.5, ASTM A182 | Stainless Steel 304 / 316 / 316L | Class 150 – 600 | Raised Face (RF), Ring Type Joint (RTJ) | Welded | Food Processing, Pharmaceutical, Petrochemical |
Company Introduction — Hebei Cangtie Industrial Co., Ltd
Hebei Cangtie Industrial Co., Ltd is a professional manufacturer and exporter of flanges and pipe fittings, including threaded flanges, socket weld flanges, slip-on flanges, weld neck flanges, elbows, reducers, and customized parts.
Our factory in Yanshan Economic Development Zone, Cangzhou City, Hebei Province, China is equipped with CNC lathes, forging presses, machining centers, and advanced inspection equipment to ensure accuracy and quality.
We have over 10 years of export experience, supplying products that meet ASME, ANSI, DIN, JIS, EN, and GB standards to clients worldwide in oil & gas, petrochemical, marine, water treatment, and construction sectors.
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 stainless steel and carbon steel flanges.
2. What materials do you offer?
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Stainless Steel: 304, 304L, 316, 316L, 321, etc.
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Carbon Steel: ASTM A105, ASTM A350 LF2, Q235, Q345, etc.
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Alloy Steel: ASTM A182 F11, F22, F5, etc.
3. Which standards do your products comply with?
ASME B16.5, ANSI, ASTM, DIN, JIS, EN, GB — with third-party inspection available.
4. Do you offer OEM/ODM services?
Yes, we provide custom machining, surface treatment, packaging, and logo marking.
5. What is your MOQ?
MOQ is typically 1 piece for standard products; customized items may vary.
6. Do you provide samples?
Yes, free samples for standard sizes; buyer covers shipping.
7. What is your delivery time?
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In-stock: 3–5 working days
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Bulk/custom orders: 10–25 working days
8. How do you guarantee quality?
We conduct raw material inspection, dimensional verification, pressure/leak testing, and surface checks. Third-party inspection is available.
