Are the flanges suitable for offshore projects?

Yes, our corrosion-resistant duplex stainless steel flanges are specifically designed for harsh environments such as offshore projects, oil & gas, and chemical industries.

What is the warranty or quality guarantee?

We ensure 100% inspection before leaving the factory and strictly adhere to international standards to guarantee product quality and reliability.

Corrosion Resistant Duplex Stainless Steel Flange for Offshore Project

Name: Corrosion Resistant Duplex Stainless Steel Flange for Offshore Project
Brand: Guangzhou Dingtaichang International Trading Co., Ltd.
SKU: 2312650875

Guangdong, ChinaGuangzhou Dingtaichang International Trading Co., Ltd.

US$1.99

10-99 Pieces

US$1.59

100-999 Pieces

US$1.09

1,000-9,999 Pieces

US$0.89

10,000+ Pieces

Product specifications

Compressive Strength

Product profile

Customization

Available

Standard

ANSI, DIN, GB, JIS, GOST, BSW, ANSI B16.5 / DIN / GB / JIS / En

Type

Weld Neck Flange

Material

Stainless Steel

Structure

Flanges

Connection

Welding

Sealing Surface

Compressive Strength

Cl150-Cl2500

Diameter

1/2"-158"

Model No.

Large Diameter Weld Neck Flange

Special Fuction

High-Pressure Resistant;Corrosion-Resistant

Pressure

Pn10 / Pn16 / Pn25 / Pn40 / 150lb / 300lb / 600lb

Brand Name

OEM / Custom

Surface Treatment

Pickling / Passivation / Polished / Sand Blasting

Application

Oil & Gas / Water Treatment / Chemical / Construct

Transport Package

OEM/ODM

Specification

oem/odm

Trademark

custom

Origin

China

HS Code

73079100

Production Capacity

50000PCS/Month

Key features

High-strength hot forged stainless steel, stable under high pressure & temperature

Tapered neck design reduces welding stress, prevents pipeline cracking

SS304/SS316L material, excellent acid & corrosion resistance

Compliant with ANSI/DIN/JIS standards, precise dimension for easy installation

Durable sealing, long service life for industrial piping systems

Company profile

Guangzhou Dingtaichang International Trading Co., Ltd.

Guangdong, China

Business Type: Trading CompanyExport Year: 2026-02-01Nearest Port: TianjinAverage Response Time: ≤3.45hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CIF

AI-Powered supplier vetting

SummaryGuangzhou Dingtaichang International Trading Co., Ltd., established in 2025, is a trading company based in Guangzhou, China, with manufacturing facilities in Hebei. Specializing in industrial components, they focus on pipe fittings, flanges, and valves. They emphasize quality, advanced customization, and strong after-sales service. The company integrates resources from southern and northern China to enhance supply chain efficiency. They have over 10 production lines and 41 to 50 quality control staff, indicating robust production and quality assurance capabilities.

After-Sales capabilityThe company is committed to dependable after-sales service, emphasizing fast response times and reliable support to ensure a smooth client experience.

R&D capabilityThe company is committed to continuous improvement in technology and operational efficiency, leveraging regional strengths for flexible sourcing and stable production.

Production capacityThe company operates over 10 production lines and produces 10 million flange pieces annually, indicating significant production capacity.

Customization capabilityThe company offers advanced customization and tailored solutions, supported by experienced engineering and sales teams to meet diverse project needs.

Product Q&A

Q:What materials are available for the flanges?

We provide Carbon Steel (Q235B, 20#), Stainless Steel (304, 304L, 316, 316L, 321), and Alloy Steel (15CrMoV), including duplex stainless steel for corrosion resistance.

Q:Can I customize the flange specifications?

Yes, we accept OEM and ODM drawing customization. You can specify pressure ratings (PN10-PN40, 150lb-600lb), diameters (1/2'-158'), and special functions like high-pressure or corrosion resistance.

Q:What standards do your flanges comply with?

Our flanges adhere to international standards including ANSI B16.5, DIN, GB, JIS, GOST, and BSW, ensuring compatibility with global industrial requirements.

Q:What is the lead time for orders?

The average lead time is one month during the off-season and 1-3 months during the peak season.

Q:What payment terms do you accept?

We accept LC, T/T, D/P, PayPal, and Western Union as payment methods.