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ASME B16.5 Carbon Steel Socket Weld Flange ASTM A105 Class 150-2500 Forged Steel High Pressure Piping
Product Overview
The Socket Weld Flange is a specialized forged carbon steel piping component designed for small-diameter, high-pressure applications. Manufactured from ASTM A105 forged carbon steel, this flange features a socket bore into which the pipe is inserted before being fillet welded. This design provides excellent flow characteristics and is widely used in chemical injection, hydraulic, and high-pressure utility systems.
Key Features
Socket Bore Design: Counter-bored socket accepts the pipe end with a gap to prevent weld-induced stress at the pipe face
High-Pressure Rated: Ideal for small-bore piping operating at Class 150 through Class 2500 pressure ratings
Forged Carbon Steel: ASTM A105 material delivers exceptional strength and impact resistance
Smooth Internal Flow: The socket design eliminates flow restrictions and turbulence at the connection point
ASME B16.5 Compliant: Manufactured to rigorous ASME/ANSI B16.5 dimensional specifications
Technical Specifications
Flange Type
Socket Weld (SW)
Material Grade
Carbon Steel ASTM A105
Standard
ASME B16.5 / ANSI B16.5
Pressure Class
Class 150, 300, 600, 900, 1500, 2500
Size Range
1/2 inch NB to 4 inch NB
Facing Type
Raised Face (RF), Flat Face (FF)
Certification
ISO, TUV, SGS
Advantages
Superior high-pressure performance in small-diameter applications
Lower risk of weld penetration into the bore compared to slip-on flanges
Internal socket gap compensates for thermal expansion during welding
Excellent fatigue resistance under cyclic pressure loading
Widely used in chemical injection, hydraulic, and instrument lines
Applications
Chemical injection systems
Hydraulic control lines
High-pressure utility stations
Instrumentation and sampling systems
Small-bore process piping
Packaging & Delivery
All socket weld flanges are treated with anti-rust oil and packed in standard shipping packages. Plastic caps protect socket bores and flange faces during transport. Available for delivery within 15-30 working days.
TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ... TOBO GROUP sales head offce in Shanghai.
We are one of the Professional manufacturers Exporter Pipeline products in China .Our company was established in 1998, the plant covers 550, 000 square meters and a construction area ...