Heavy-Duty Pressure Rating & Durable Construction: Welding Neck Flange

Product Details
Customization: Available
Standard: ANSI, DIN, GB
Type: Welding Flange
Diamond Member Since 2025

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  • Heavy-Duty Pressure Rating & Durable Construction: Welding Neck Flange
  • Heavy-Duty Pressure Rating & Durable Construction: Welding Neck Flange
  • Heavy-Duty Pressure Rating & Durable Construction: Welding Neck Flange
  • Heavy-Duty Pressure Rating & Durable Construction: Welding Neck Flange
  • Heavy-Duty Pressure Rating & Durable Construction: Welding Neck Flange
  • Heavy-Duty Pressure Rating & Durable Construction: Welding Neck Flange
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Basic Info.

Model NO.
DN250
Material
Carbon Steel
Structure
Flanges
Connection
Welding
Sealing Surface
RF
Manufacturing Way
Forging
Transport Package
Wooden Pallet
Specification
dn250
Trademark
yulong
Origin
Cangzhou City

Product Description

Heavy-Duty Pressure Rating & Durable Construction: Welding Neck Flange
Cangzhou Yulong Steel Co.,Ltd.
Cangzhou Yulong Steel Co., Ltd. is located in Mengcun Hui Autonomous County, known as the "Capital of Pipe Fittings in China". It is a comprehensive enterprise integrating research and development, production, sales, quality inspection, packaging, and transportation. 
The company mainly produces and exports steel pipes, flanges, and pipe fittings, which are widely used in shipbuilding, chemicals, oil, electricity, gas, water supply, and other fields. It has established long - term strategic cooperative relationships with many domestic and foreign companies. 
As one of the company's core products, steel pipes have a constant inventory of over 500,000 tons. The company produces various types of steel pipes, including seamless steel pipes, spiral steel pipes, and straight - seam steel pipes, to meet the needs of different customers. These products are strictly produced according to industry standards such as API 5L, API 5CT, ANSI, ASME, EN, DIN, GOST, JIS, KS, BS, ensuring that product quality meets customer requirements. 
In the field of flanges and pipe fittings, the company relies on a complete supply chain management system and exports to over 50 countries and regions worldwide, including the Middle East, Southeast Asia, Russia, Europe, Mexico, South America, Africa, etc. The products comply with various standards such as EN1092 - 1/ANSJ/ASME/DIN/JIS/KS/BS/GOST, and are made of materials including Q235, A105, S235, 20#, A234WPB 20G, 16Mn, 12Cr1MoV, 15CrMo, 1Cr5Mo, 1Cr9Mo, A335P5/P9/P11/P12/P22/P91/P92, WB36, 10CrMo910, 0Cr18Ni9, and 1Cr18Ni9Ti. 
Cangzhou Yulong Steel Co., Ltd. will continue to adhere to the enterprise philosophy of people - oriented, quality first, continuously improving the quality and level of products and services. The company will continue to expand its market, optimize its sales network, and provide customers with more high - quality and efficient services. 

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