PRODUCTS

PRODUCTS

  • Threaded (Screwed)Flanges
Threaded (Screwed)Flanges
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Product Introduction

Manufacturing Capabilities

Flange Manufacturing Capabilities Introduction

Size Range

DN10~DN2000/1/2”-60”

Pressure Rating

PN2.5~PN400/CLASS150~CLASS2500

Material Range

Carbon Steel: A105, A350 LF2, A516 Gr.70,etc

Stainless Steel:F304/304L,F316/316L,F04H,F321,etc

Alloy Steel: F11, F22, F91,etc

Duplex Steel:F51,F53,F55,F60,etc

Nickel-Based Alloy :C276,Inconel 600,Inconel 625,Monel 400,Incoloy 800,etc

Manufacturing Standards

American Standard: ANSI B16.5&16.47
European Standard: EN 1092-1
Japanese Standard: JIS B2220&JPI
Chinese Standard:HG/T20592~20615&SH/T3406&GB/T9124

Custom Flange Capabilities

Special-Shaped Flanges: Square-to-round transitions, eccentric flanges
Integrated Flanges: With branch pipes, temperature/pressure ports
Anti-Corrosion Treatments: Galvanizing, spray coating, plastic lining
Custom Flange Manufacturing – We Work to Your Drawings

Production Capacity & Lead Time

Standard Flanges: DN ≤ 600, readily available (1–7 days delivery).
Large Custom Flanges: DN ≥ 600, made-to-order (15–60 days).
Extreme Conditions: flanges require third-party certifications (extended lead time).
We accept custom manufacturing of flanges in single pieces or small batches. If urgently needed, we can arrange delivery via express (SF Express or DHL) or air freight for you.

Our Materials

Our Materials

The company can process nickel-based alloy materials are: Inconel600, Inconel625, Incoloy800.Incoloy825; Incoloy020; HSC276; Monel400, H65, B10, BFe30-1-1, etc.

For the above special materials forging, we have accumulated a wealth of experience, with a Perfect forging, heat treatment and processing technology, to ensure that meet the standards and customer requirements.

Nickel-based alloys

N10276, N08825, N08800, N06625, N04400, etc.

Duplex stainless steels

S31803, S32750, S32760, S32205, etc.

Austenitic stainless steel

F304/304L, F316/316L, F310, F44, F904L etc.

Carbon steel

20#, 35#, A105 etc.

Alloy steel

16Mn, 12Crmo, 15Crmo, 12Cr2Mo1, etc.

Low temperature container steel

16MnD, 20MnMoD, 09MnNiD, etc.

Applications of Flanges

Flanges are widely used in industrial, municipal, and energy sectors, serving as critical components for reliable piping, valve, and equipment connections. Below are their key application scenarios:

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Oil & Gas Industry

Common Types: Weld Neck (WN), Ring-Type Joint (RTJ)

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Chemical & Pharmaceutical Industry

Common Types: Slip-On (SO), DIN 11851 (Hygienic)

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Power & Energy

Common Types: Spectacle Blind, Lap Joint

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Municipal & Construction

Common Types: Blind Flange, Threaded

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Marine & Offshore Engineering

Common Types: Orifice Flange, Swivel Ring

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Special Industrial Applications

Key Selection Criteria
1.Medium Properties: Corrosiveness, temperature, pressure (e.g., PTFE-lined for acids).
2.Connection Type: Welded, threaded, or bolted (e.g., WN for high pressure).
3.Standards Compliance: GB (China), ANSI (USA), EN (EU), JIS (Japan).

Conclusion
Flanges are indispensable across industries—from water supply to nuclear plants. Proper selection enhances system safety, maintenance efficiency, and longevity.

Our Technology

Through more than ten years' efforts, our company has become a professional manufacturer of forgings, flanges and all kinds of forging products for petroleum, chemical industry, pressure vessels, machinery manufacturing with advanced equipments and sound qualifications, and has established long-term cooperation with many enterprises at home and abroad.

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Threaded (Screwed)Flanges

Specializing in the production of various standard/non-standard flanges, undertake all kinds of non-standard parts, forging pipe, forging ring, etc.

The material is not limited, nickel-based alloy, copper, stainless steel, carbon steel can be.

Commonly used standards:ASME B16.5-2020, HG/T20592~20615-2009, SH/T3406-2022, EN1092-1:2018 and so on.

Accept customization according to drawing, good quality and fast speed.

Get in touch for more information or to arrange a demo:

Products Category

Our Materials

The company can process nickel-based alloy materials are: Inconel600, Inconel625, Incoloy800.Incoloy825; Incoloy020; HSC276; Monel400, H65, B10, BFe30-1-1, etc.

For the above special materials forging, we have accumulated a wealth of experience, with a Perfect forging, heat treatment and processing technology, to ensure that meet the standards and customer requirements.

Nickel-based alloys

N10276, N08825, N08800, N06625, N04400, etc.

Duplex stainless steels

S31803, S32750, S32760, S32205, etc.

Austenitic stainless steel

F304/304L, F316/316L, F310, F44, F904L etc.

Carbon steel

20#, 35#, A105 etc.

Alloy steel

16Mn, 12Crmo, 15Crmo, 12Cr2Mo1, etc.

Low temperature container steel

16MnD, 20MnMoD, 09MnNiD, etc.

Our Technology

Through more than ten years' efforts, our company has become a professional manufacturer of forgings, flanges and all kinds of forging products for petroleum, chemical industry, pressure vessels, machinery manufacturing with advanced equipments and sound qualifications, and has established long-term cooperation with many enterprises at home and abroad.

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