Precision CNC Machined Stainless Steel Flat Welding Flange For Pipe Sealing

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Packaging Details	plastic bag, carton
Payment Terms	T/T, Paypal
Tolerance	±0.01mm
Processing Method	CNC Turning
Finish	Polished
Surface Roughness	Ra 0.8
Customization	Available
Material	Stainless Steel
Heat Resistance	High
Size	Customizable
Shape	Round
Corrosion Resistance	High
Hardness	HRC 25-30
Application	Machinery Parts
Durability	Long-lasting
Surface Treatment	Passivation
Certification	Rosh
Brand Name	ODM/OEM

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Product Details
Company Details

Product Specification


Packaging Details	plastic bag, carton	Payment Terms	T/T, Paypal
Tolerance	±0.01mm	Processing Method	CNC Turning
Finish	Polished	Surface Roughness	Ra 0.8
Customization	Available	Material	Stainless Steel
Heat Resistance	High	Size	Customizable
Shape	Round	Corrosion Resistance	High
Hardness	HRC 25-30	Application	Machinery Parts
Durability	Long-lasting	Surface Treatment	Passivation
Certification	Rosh	Brand Name	ODM/OEM
High Light	Precision flat welding flange ，CNC Machined flat welding flange ，HRC 25 stainless steel turnings

Precision CNC Machined Stainless Steel Flat Weld Flange for Pipe Sealing Applications

Our Custom CNC Flat Weld Flange is a precision-machined component specifically designed for sealing pipe connections in fluid and gas transfer systems. It is widely used in oil & gas, chemical processing, petrochemical, water treatment, food-grade piping systems, and mechanical engineering applications. Each flange is manufactured using high-grade stainless steel (SS304, SS316, or SS316L), ensuring excellent resistance to corrosion, high temperature, and pressure conditions.

Produced through advanced CNC turning processes, this flange meets tight dimensional tolerances and provides a clean, burr-free surface finish. The flat-face design allows for strong, uniform welding and provides a reliable sealing surface when mated with gaskets or O-rings in pipeline assemblies.

Key Technical Specifications:

Material: Stainless Steel (SS304 / SS316 / SS316L)
Manufacturing Process: High-precision CNC Turning
Optional Processes: Drilling, threading, chamfering, face milling
Surface Finish: Natural stainless finish (Ra ≤ 1.6μm), optional passivation
Standard: Custom non-standard, or according to ANSI / DIN / JIS / GB
Tolerance: Up to ±0.01mm (custom tolerances available)
Outer Diameter Range: Typically from Ø25mm to Ø300mm (customizable)
Thickness: Customizable as per drawing or sample
Packaging: Anti-rust packaging, vacuum bag or foam-protected cartons

Features & Benefits:

High Precision Machining: Each flange is produced on CNC turning centers, ensuring accurate concentricity, flatness, and smooth sealing surfaces.
Durability: Made from corrosion-resistant stainless steel to ensure long service life in harsh environments.
Weld-Ready Design: Flat-face weld flange design is ideal for seamless integration into piping systems.
Leak-Proof Sealing: Ideal for high-pressure and vacuum systems requiring reliable sealing.
Customization Available: Dimensions, hole patterns, grooves, keyways, threads, and other features can be tailored to your specific application.

Our Machining & Production Capabilities

At Shuangxin Industry, we provide end-to-end custom CNC machining services, specializing in complex and high-precision components for global OEMs and industrial customers.

Machinery & Capacity:

CNC Turning Centers: High-speed lathes with live tooling (Y-axis) for milling and drilling operations
Turning Diameter Capacity: From 2mm up to 500mm
3/4/5-Axis CNC Milling Machines for secondary operations
Surface Finish Achievable: Down to Ra 0.4μm (with polishing)
Tolerance Control: ±0.005mm for precision-critical features
Material Expertise: Stainless steel, carbon steel, aluminum, brass, copper, and engineering plastics

Company Details

Bronze Gleitlager

Bronze Sleeve Bushings

and

Graphite Plugged Bushings

from Quality China Factory

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Business Type:

Manufacturer 


Year Established:

2003 


Total Annual:

>1000000


Employee Number:

150~200 


Ecer Certification：

Verified Supplier 

Founded in 2003 with a small workshop and just 15 employees, our company has steadily grown into a leading provider of high-quality metal and plastic components. Today, we operate out of an 8,000 square meter facility with 200 dedicated employees, serving clients worldwide. Over the years, we’... Founded in 2003 with a small workshop and just 15 employees, our company has steadily grown into a leading provider of high-quality metal and plastic components. Today, we operate out of an 8,000 square meter facility with 200 dedicated employees, serving clients worldwide. Over the years, we’...

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Reach Us
Guangdong Shuangxin Precision Components Co.,ltd
No. 7,Qinghu Road,Qinghutou,Tangxia Town,Dongguan,Guangdong,China
https://www.gdsxindustry.com/

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