Product Overview
Our Factory Price PN75 Carbon Steel Welding Threaded Flange offers a cost-effective and durable solution for pipe fitting applications requiring reliable welding connections. Manufactured from high-quality carbon steel, this PN75 rated flange features precision threading for secure assembly and easy installation.
Designed to meet industry standards, the welding threaded flange ensures excellent mechanical strength and tight sealing performance in various industrial pipelines, including oil & gas, water treatment, and chemical processing systems.
With its robust construction and competitive factory pricing, this flange is ideal for projects seeking quality and value in carbon steel pipe fittings.
Key Features:
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Material: Carbon Steel
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Pressure Rating: PN75
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Type: Welding Threaded Flange
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Size Range: Standard industrial sizes available
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Applications: Oil & gas pipelines, chemical plants, water treatment, industrial piping
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Benefits: Durable, easy to install, cost-effective, reliable welding connection
Product Specifications
| Flange Type | Material | Standard / Grade | Size Range (Nominal Diameter) | Pressure Class |
|---|---|---|---|---|
| Threaded RF Flange | Stainless Steel 316 / 316L | ANSI / ASME B16.5 / ASTM A182 F316/L | DN15 – DN600 (½″ – 24″) | Class 150–600 |
| Threaded RTJ Flange | Stainless Steel 316 / 316L | ANSI / ASME B16.5 / ASTM A182 F316/L | DN15 – DN600 (½″ – 24″) | Class 300–600 |
| Special Coating | Stainless Steel 316 / 316L (PTFE / Custom) | ANSI / ASTM / Custom | DN15 – DN600 (½″ – 24″) | Class 150–600 |
Surface Finish:
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Raised Face (RF)
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Ring Type Joint (RTJ) optional
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Serrated concentric or spiral grooves
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.
