Socket Weld Flange

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Socket weld flange is a popular pipe flange with a design similar to that of a slip on flange. The difference is that it has an internal recess on the inside diameter for smoother fluid flow. Socket weld flange is specially developed for small-size pipes at high pressure and temperature ratings.

Production Range

Type	Nominal diameter		Pressure
Flange America standard	1/2"~100"	DN15-DN2500	Class150~Class2500
Flange Europe standard	1/2"~100"	DN15-DN2500	PN2.5~PN400

Quality Commitment
At Yuanyang, we fabricate socket weld flange with die stamping and machining techniques instead of welding or casting. All of the raw materials are purchased from reliable steel manufacturers. To further guarantee product quality, Yuanyang has established an advanced testing center, which is consisted of several laboratories for specific detection activities. All of the production data and records are stored in an orderly way in the archive so we can check all of the information about any orders we have finished. Before shipping, we will have a 100% spectral detection for all of the fittings, ensuring the highest degree of quality.

Commonly Used Materials

Austenitic stainless steel	Super duplex stainless steel	Nickel-based alloy steel	Carbon steel/alloy steel	Other materials
304 304L 304H 304LN	S31803 S32205	N10276 N04400 N06600	Q235 20# 20G	TA1 TA2 TA3 TC1~TC9
316 316L 316H 316Ti	S32304 S32760	N06600 N06625 N06690	WPB A105 16Mn	LF2 LF3 LF5 LF6 LF10
310S 321 321H 347	S32550 S32750	N08800 N08825 N08904	45# 15CrMo	Al, Ti, martensite
S31254	S33400	N08020 N08810 N08811	A350LF2 A420Gr.WPL6

Manufacturing Standards

Steel pipe flange for petrochemical use:	SH3406
Blind flange for steel pipes in petrochemical field:	SH3425
Steel pipe flange, washer, fasteners (PN series):	HG/T20592
Steel pipe flange (CLASS series):	HG/T20615
Large-diameter steel pipe flange (CLASS series):	HG/T20623
Steel pipe flanges:	GB/T9124
Pipe flanges and flange fittings:	ASME B16.5
Large-diameter steel flange:	ASME B16.47
Forged or rolled pipe flange, forged pipe fittings, valves and accessories:	ASTM A182/A182M
Cast steel flange fittings:	EN 1092
Steel pipe flange:	JIS B2220

Our company can provide threaded pipe flanges according to custom need materials like austenitic stainless steel, duplex stainless steel, carbon steel and alloy steel listed as follows:
304 stainless steel threaded pipe flange
304L stainless steel threaded pipe flange
304H stainless steel threaded pipe flange
304LN austenitic stainless steel threaded pipe flange
316 stainless steel threaded pipe flange
316L stainless steel threaded pipe flange
316H stainless steel threaded pipe flange
316Ti stainless steel threaded pipe flange
310S stainless steel threaded pipe flange
321 stainless steel threaded pipe flange
321H stainless steel threaded pipe flange
347 stainless steel threaded pipe flange
S31254 austenitic stainless steel threaded pipe flange
S31803 duplex stainless steel threaded pipe flange
S32205 duplex stainless steel threaded pipe flange
S32304 duplex stainless steel threaded pipe flange
S32760 duplex stainless steel threaded pipe flange
S32550 duplex stainless steel threaded pipe flange
S32750 duplex stainless steel threaded pipe flange
S33400 stainless steel threaded pipe flange
N10276 Nickel alloy threaded pipe flange
N04400 Nickel alloy threaded pipe flange
N06600 Nickel alloy threaded pipe flange
N06625 Nickel alloy threaded pipe flange
N06690 Nickel alloy threaded pipe flange
N08800 Nickel alloy threaded pipe flange
N08825 Nickel alloy threaded pipe flange
N08904 Nickel alloy threaded pipe flange
N08020 Nickel alloy threaded pipe flange
N08810 Nickel alloy threaded pipe flange
N08811 Nickel alloy threaded pipe flange
Q235 carbon steel threaded pipe flange
20# carbon steel threaded pipe flange
20G carbon steel threaded pipe flange
WPB carbon steel threaded pipe flange
A105 carbon steel threaded pipe flange
16Mn steel threaded pipe flange
45# carbon steel threaded pipe flange
15CrMo alloy steel threaded pipe flange
A350 LF2 carbon steel threaded pipe flange
A420 grade WPL6 carbon steel threaded pipe flange
TA1 titanium threaded pipe flange
TA2 titanium threaded pipe flange
TA3 titanium threaded pipe flange
TC1—TC9 titanium alloy threaded pipe flange
LF2 alloy steel threaded pipe flange
LF3 alloy steel threaded pipe flange
LF5 alloy steel threaded pipe flange
LF6 alloy steel threaded pipe flange
LF10 alloy steel threaded pipe flange
Martensite stainless steel threaded pipe flange