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Premium Steel Pipe Flanges & Fittings

High-quality DIN, ANSI, GOST, BS, EN, and JIS standard flanges from Cangzhou Hangxin Flange Co., Limited – engineered for durability, precision, and global industrial applications.

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Industrial Grade

Built for oil & gas, petrochemical, power plants, and heavy-duty applications.

ISO Certified

ISO9001-2008 certified manufacturing with strict quality control processes.

Global Export

Trusted by clients in Europe, Asia, Middle East, and Americas.

Who We Are

Cangzhou Hangxin Flange Co., Limited

A leading Chinese manufacturer specializing in high-quality steel pipe flanges and forged pipe fittings. With years of industry experience, we deliver precision-engineered components that meet international standards including ANSI, DIN, GOST, BS, EN, and JIS.

Our products are widely used in petrochemical, power generation, water treatment, aerospace, and construction industries. We combine advanced forging technology with rigorous quality control to ensure every flange meets the highest performance and safety standards.

  • ISO9001-2008 Certified
  • Forged & Machined to Exact Tolerances
  • Anti-Rust Oil, Yellow/Black Paint, Galvanized Coatings
  • Custom Sizes & Specifications Available
Weld Neck Flange DIN Pipe Flange Flat Face Flange ANSI Flange

Our Premium Products

Explore our wide range of steel pipe flanges and fittings manufactured to international standards with superior durability and precision.

ANSI B16.5 Weld Neck Flange

ANSI B16.5 Weld Neck Flange

  • Standard: ANSI B16.5
  • Class: 150LB - 2500LB
  • Size: 1/2" - 72"
  • Material: Carbon Steel A234 WPB
  • Type: Welding Neck, Raised Face
HOT
DIN Pipe Flange

DIN Pipe Flange PN16/PN40

  • Standard: DIN 2576, DIN 2502
  • Pressure: PN10 - PN40
  • Size: DN15 - DN2000
  • Material: Carbon Steel, Stainless Steel
  • Coating: Yellow or Black Paint
NEW
Flat Face Flange

Flat Face Flange DN50-DN100

  • Standard: ISO7005, ANSI B16.5
  • Face Type: Flat Face (FF)
  • Size: DN50, DN100
  • Material: Forged Carbon Steel
  • Protection: Anti-Rust Oil Coating
Stainless Steel Flange

Stainless Steel Flange DN500

  • Standard: ANSI, GOST, EN1092
  • Size: DN500 (20")
  • Material: SS304, SS316
  • Type: Weld Neck, Blind, Slip-On
  • Certification: ISO9001-2008
Blind Flange

DIN Blind Flange PN16

  • Standard: DIN 2527, DIN 2502
  • Pressure: PN16, PN25
  • Size: DN15-DN1000
  • Material: Carbon Steel A105, Stainless Steel
  • Face: Raised Face (RF)
Slip On Flange

ANSI Slip On Flange

  • Standard: ANSI B16.5
  • Class: 150LB, 300LB
  • Size: 2" - 48"
  • Material: Carbon Steel Q235
  • Coating: Yellow Paint for Water Irrigation
GOST Flange

GOST Standard Flange DN200

  • Standard: GOST 12820, GOST 12821
  • Size: DN200 (8")
  • Pressure: PN16, PN25
  • Material: Forged Carbon Steel
  • Application: Power Plant, Oil & Gas
JIS Flange

JIS B2220 Flange 10K

  • Standard: JIS B2220
  • Pressure: 5K, 10K, 16K
  • Size: 1/2" - 24"
  • Material: Carbon Steel A105
  • Type: Weld Neck, Raised Face
View All Products

Why Choose Us?

Advanced Forging

Precision forging ensures structural integrity and dimensional accuracy.

Quality Assured

ISO9001-2008 certified processes with strict quality control at every stage.

Global Shipping

Reliable logistics network for timely delivery to over 50 countries.

Custom Solutions

Tailored flanges and fittings to meet unique project specifications.

15+
Years in Industry
50+
Countries Served
10,000+
Tons Annual Output
ISO
9001:2008 Certified

Frequently Asked Questions

What standards do your flanges comply with?

Our flanges are manufactured to international standards including ANSI B16.5, DIN 2502/2576, GOST 12820, BS 4504, EN 1092-1, and JIS B2220.

What materials are available?

We offer carbon steel (Q235, A105, A234 WPB), stainless steel (304, 316), and alloy steel options depending on application requirements.

Do you provide custom sizes and coatings?

Yes, we offer custom manufacturing for non-standard sizes, pressure ratings, face types (RF, FF, RTJ), and protective coatings such as anti-rust oil, yellow/black paint, and galvanization.

What is your production capacity?

Our factory has a monthly production capacity exceeding 1,000 tons, ensuring fast turnaround for large orders.

How do you ensure quality?

Every product undergoes rigorous inspection including dimensional checks, material testing, and visual examination. We follow ISO9001-2008 quality management system throughout production.

Get in Touch

For quotes, technical inquiries, or custom orders, please visit our official website to contact us directly.

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Cangzhou Hangxin Flange Co., Limited – Your trusted partner for high-quality steel pipe flanges and fittings.

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