Name: ASTM A182 F304L Stainless Steel Coupling Full Thread FNPT ASME B16.11 Forged Fittings
Brand: Yuhong Group Co.,Ltd
SKU: ASTM A182 F304L Stainless Steel Thread Coupling
Price: 100000 USD
Availability: InStock

Yuhong Holding Group Co.,LTD

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ASTM A182 F304L Stainless Steel Coupling Full Thread FNPT ASME B16.11 Forged Fittings

Product Details:

Place of Origin:	CHINA
Brand Name:	YUHONG
Certification:	ABS, GL, DNV, NK, PED, AD2000, GOST9941-81, CCS, ISO 9001-2008
Model Number:	ASTM A182 F304L Stainless Steel Thread Coupling

Payment & Shipping Terms:

Minimum Order Quantity:	1PC
Packaging Details:	PLYWOOD CASE, PALLET, CARTON
Delivery Time:	7days
Payment Terms:	L/C, T/T

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Detailed Product Description

Product Name:	Coupling	Specification:	ASME SA182/ ASTM A182 F304L
Dimension:	ANISI / ASME B16.11	Size:	1/8" To 4"
Classs:	3000#,6000#,9000#	Pattern:	Weldolet, Socketolet, Threadolet, Nipolet, Latrolet, Elbowolet
Application:	Industry, Natural Gas , Petroleum, Gas And Oil Pipes, Chemical
High Light:	ASTM A182 F304L Thread Coupling, Stainless Steel Forged Pipe Fittings

ASTM A182 F304L Stainless Steel Thread Full Coupling FNPT ASME B16.11 Forged Fittings

ASTM A182 F304L Stainless Steel Coupling Full Thread FNPT ASME B16.11 Forged Fittings” describes a forged stainless steel pipe coupling made from ASTM A182 F304L low-carbon austenitic stainless steel, with female NPT threads at both ends (FNPT × FNPT), manufactured to the ASME B16.11 standard for forged threaded fittings. It is used to connect two male threaded pipes or fittings in a straight line.

It is not one single standard; it is a product description combining material specification, fitting type, thread type, dimensional standard, and manufacturing method.

Specification

Type	Thread Full Coupling, Thread Half Coupling, Reducing Coupling
Specification	ASTM A182/ASME SA182 F304L
Other Pattern	Weldolet, socketolet, threadolet, nipolet, latrolet, elbowolet
Size	1/8" - 4"
Class	3000#, 6000#, 9000#
Dimension	ANSI/ASME B16.11, MSS SP 97, MSS SP 83, MSS SP 95, MSS SP 97
Application	Industry, Natural Gas , Petroleum, Gas And Oil Pipes, Chemical

Notes

FNPT means Female National Pipe Thread (tapered). It is sometimes written as FPT.

Full Thread in trade listings usually means the coupling is threaded at both ends (a full coupling, not a half coupling). Standard ASME B16.11 couplings may have a small unthreaded center. If continuous full-length threads are required, specify “full-length thread”.

Equivalent Grades of ASTM A182 F304L Stainless Steel Coupling Full Thread FNPT ASME B16.11 Forged Fittings

STANDARD	UNS	WERKSTOFF NR.	EN	BS	GOST	JIS	AFNOR
SS 304L	S30403	1.4306/1.4307	X2CrNi18-9 / X2CrNi19-11	304S11	03Х18Н11	SUS 304L	Z3CN18‐10

Chemical Composition of ASTM A182 F304L Stainless Steel Coupling Full Thread FNPT ASME B16.11 Forged Fittings

Grade	C	Mn	Si	P	S	Cr	Ni	N
304L	0.03max	2.0max	0.75max	0.045max	0.03max	min: 18.0 max: 20.0	min: 8.0 max: 12.0	0.10 max

Mechanical Properties of ASTM A182 F304L Stainless Steel Coupling Full Thread FNPT ASME B16.11 Forged Fittings

Grade	Tensile Strength (MPa) min	Yield Strength 0.2% Proof (MPa) min	Elongation (% in 50mm) min	Hardness
				Rockwell B (HR B) max	Brinell (HB) max
304L	485	170	40	92	201

Applications

Primary Function
Connects two male NPT threaded pipes or fittings in a straight line.
System Type
Used in small-bore, moderate-pressure, threaded piping systems.
Chemical & Petrochemical Industry
Used for mild acids, solvents, organic chemicals, reagent dosing lines, and utility stations.
Oil & Gas Industry
Used in non-sour, low-chloride utility services such as instrument air, fuel gas, lube oil, and utility water.
Water Treatment
Used for potable water, wastewater, demineralized water, RO permeate, and low-chloride cooling water.
Food, Beverage
Used only for utility lines such as steam, water, air, and CIP solutions.
Not recommended for direct sanitary product contact because threaded crevices can harbor bacteria.
Power Generation
Used for condensate, low-chloride cooling water, instrument air, and low-pressure steam.
Pulp & Paper
Used for pulp stock, white water, mild chemical lines, and utility piping.
Marine & Offshore
Used only in low-chloride or non-chloride systems.
Not recommended for seawater or high-chloride service.
General Industrial
Used for compressed air, inert gas, hydraulic return lines, lube lines, cooling lines, and instrument connections.