Socket Weld Flange

Item No.: FL1004
Dimension : NPS 1/2"~24" (15NB-600NB)
Material : Carbon Steel, Stainless Steel, Duplex Steel, Alloy Steel etc.
Flange face type: RF (Raised Face), RTJ (Ring Type Joint)
Certificates : CE-PED 2014/68/EU / ISO 9001 / MTC EN10204 3.1/3.2
Supply Ability : 100 Tons per Month
Non-Standard type: As per the drawing
Payment Term : L/C, T/T
Packing : Export standard Plywood Pallets/ free fumigation wooden case
Place of Origin : Shanghai, China

ASME B16.5 Socket Weld Flange     ASME/ANSI Socket Weld Raised Face Flange  
B16.5 SW Flange     ANSI SWRF Flange     BS 4504 Socket Weld Flange

Socket weld flange simplified as SW flange, it has a recessed area (like a shoulder) in the flange bore, this shoulder serves as a guide to set the depth of the pipe that inserted to the flange. Socket Weld flanges were initially developed for use on small-size high pressure piping. 

As a premium Manufacturer & Exporter in China, MetalGoods offers a variety of industrial pipe flanges to satisfy your specific requirements, including weld neck flange, slip-on flange, threaded flange, socket weld flange, lap joint flange, blind flange, spectacle blank flange, orifice flange and so on. Our products are made in accordance with ISO 9001-2015, Pressure Equipment Directive 2014/68/EU (PED 2014/68/EU), AD2000 Merkblatt W0, and API standard.  

Socket Weld Flange Specification


NPS 1/2"~24" (15NB-600NB)


ASME/ANSI Series: Class 150, Class 300, Class 400, Class 600, Class 900-2500(Up to the buyer's specification)
BS Series: PN 2.5, PN 6, PN 10, PN 16, PN 25, PN 40
BS Tabled Series: Table D/E/F/H

Flange Face Type

ASME/ANSI Series: Flat Face(FF), Raised Face(RF), Tongue(T), Groove(G), Female(F), Male(M), Ring type Joint Face(RTJ)
BS Series: Type A(Flat Face), Type B(Raised Face), Type C(Tongue), Type D(Groove), Type E(Spigot), Type F(Recess), Type G(O-Ring Spigot), Type H (O-Ring Groove)


ASME B16.5 Flanges
BS 4504 Flanges BS TABLE D/E/F/H Flanges
MSS SP-44 Flanges
GB/T 9112-2010, GB/T 9115-2010, GB/T 13402-2010
HG/T 20592-2009, HG/T 20615-2009, HG/T 20623-2009
ISO 7005-1 Flanges

Coating/Surface Treatment

Anti-rust oil, Transparent / Black Anti-rust Painting, Hot Dip Galvanized

Value-Added Services

CNC Machining, Customised Flanges

Socket Weld  Flange Material Type & Grade
Stainless Steel Socket Weld Flanges : ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H, 904L
Carbon Steel Socket Weld Flanges : ASTM / ASME A/SA 105, ASTM / ASME A 350, ASTM A 181 LF 2 / A516 Gr.70, A36, A694 F42, F46, F52, F60, F65, F70
Alloy Steel Socket Weld Flanges : ASTM / ASME A/SA 182 & A 387 F1, F5, F9, F11, F12, F22, F91
Duplex & Super Duplex Steel Socket Weld Flanges : ASTM / ASME A/SA 182 F 44, F 45, F51, F 53, F 55, F 60, F 61
Low Temperature Carbon Steel Socket Weld Flanges : ASTM A350, LF2, LF3
Copper Alloy Steel Socket Weld Flanges : UNS No. C 70600 (Cu-Ni 90/10), C 71500 (Cu-Ni 70/30), UNS No. C 10100, 10200, 10300, 10800, 12000, 12200
Nickel Alloy Long Socket Weld Flanges : Nickel 200 (UNS No. N02200), Nickel 201 (UNS No. N02201), Monel 400 (UNS No. N04400), Monel 500 (UNS No. N05500), Inconel 800 (UNS No. N08800), Inconel 825 (UNS No. N08825), Inconel 600 (UNS No. N06600), Inconel 625 (UNS No. N06625), Inconel 601 (UNS No. N06601), Hastelloy C 276 (UNS No. N10276), Alloy 20 (UNS No. N08020), Titanium Gr I/II



Available Certificates
Manufacturer Test Certificate as per EN 10204 3.1, Third-Party Inspection Report as per EN 10204 3.2, Non-destructive Testing / NDT Report 

1. Oil and gas industry
2. Petrochemical industry
3. Power generation industry
4. Pharmaceutical industry
5. Shipbuilding industry
6. Papermaking industry
7. Metallurgy industry


If you want to know more about the Socket Weld Flange, please feel free to contact us at sales@flangefittings.com
Website: www.flangefittings.com (SHANGHAI METALGOODS PIPEFITTINGS CO.,LTD.)