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Custom Size Threaded Flange SS304 SS316 Threaded Pipe Flange for Oil Gas Industry
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
AvailableStandard
ANSI, DIN, GB, JIS, GOST, BSW, ANSI B16.5 / DIN / GB / JIS / EnType
Weld Neck FlangeMaterial
Stainless SteelStructure
FlangesConnection
WeldingSealing Surface
FMCompressive Strength
Cl150-Cl2500Diameter
1/2"-158"Model No.
Large Diameter Weld Neck FlangeSpecial Fuction
High-Pressure Resistant;Corrosion-ResistantPressure
Pn10 / Pn16 / Pn25 / Pn40 / 150lb / 300lb / 600lbBrand Name
OEM / CustomSurface Treatment
Pickling / Passivation / Polished / Sand BlastingApplication
Oil & Gas / Water Treatment / Chemical / ConstructTransport Package
OEM/ODMSpecification
oem/odmTrademark
customOrigin
ChinaHS Code
73079100Production Capacity
50000PCS/MonthKey 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

Business Type: Trading CompanyExport Year: 2026-02-01Nearest Port: TianjinAverage Response Time: ≤3.21hTerms 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 standards do your flanges comply with?
A:
Our flanges comply with ANSI, DIN, GB, JIS, GOST, and BSW standards, including specific types like ANSI B16.5 and DIN EN 1092-1.
Q:Can you customize the flange dimensions?
A:
Yes, we offer customization for diameters ranging from 1/2 inch to 158 inches and pressure ratings from Cl150 to Cl2500.
Q:What materials are available for the flanges?
A:
We provide Carbon Steel (Q235B, 20#), Stainless Steel (304, 304L, 316, 316L, 321), and Alloy Steel (15CrMoV, Duplex).
Q:Do you accept OEM and ODM orders?
A:
Yes, we accept OEM and ODM drawing customization to meet specific project requirements and brand preferences.
Q:What is the lead time for production?
A:
Lead time is one month during the off-season and 1-3 months during the peak season.
Send Inquiry
*To:
Guangzhou Dingtaichang International Trading Co., Ltd.
Guangzhou Dingtaichang International Trading Co., Ltd.*Content:
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