ASTM Forged Pipe Fittings

ASTM forged pipe fittings refer to fittings manufactured through forging processes according to the production standards set by the American Society for Testing and Materials (ASTM), mainly used for connecting, turning, diverting, or reducing pipe systems. These types of pipe fittings are widely used in industries such as petroleum, chemical, power, shipbuilding, etc. due to their high strength, excellent sealing and pressure resistance.

In the modern industrial field, the transmission of various media requires the use of pipeline systems as carriers, so the safety and reliability of pipeline systems are crucial. ASTM forged pipe fittings have been widely used in many industrial fields due to their strict material production standards, diverse material choices, rich types of pipe fittings, advanced production processes, and significant advantages, demonstrating strong market competitiveness and broad development prospects.

ASTM Material Standards

ASTM (American Society for Testing and Materials) has developed a wide range of rigorous material standards that provide unified specifications and guidelines for the production, testing, and application of materials worldwide. In the field of forged pipe fittings, ASTM standards ensure that the entire process of pipe fittings, from raw material selection to finished product quality, is controllable. The ASTM material standard specifies the requirements for forgings used in pressure pipelines, covering multiple aspects such as chemical composition, mechanical properties, heat treatment, and testing methods, ensuring the stability of pipe fittings under different working conditions. The forged pipe fittings produced strictly in accordance with ASTM standards have high reliability and consistency in quality, laying a solid foundation for the safe operation of industrial pipeline systems.

Material Grades of ASTM Standard

There are various types of materials used in ASTM forged pipe fittings to adapt to different working environments and medium requirements. Common materials include carbon steel, stainless steel, alloy steel, and nickel alloys.

Carbon Steel	ASTM A105/ASTM A350 LF2/ASTM A694 F42/52/60
Alloy Steel	ASTM A182 F11 / 12 / 5 / 9 / 91 / 92
Stainless Steel	ASTM A182 F304/304L/304H, 316/316L, 310S, 317,347,904L
Duplex Stainless Steel	ASTM A182 F51, F53, F44

Carbon steel material has low cost, good processability and certain strength, and is suitable for general room temperature, medium and low pressure pipeline systems, such as building water supply and drainage, HVAC and other fields. Stainless steel materials are known for their excellent corrosion resistance and are widely used in industries such as chemical, food and beverage, and pharmaceutical industries that require high hygiene and corrosion resistance. Alloy steel combines the advantages of multiple alloying elements, possessing high strength, high toughness, and good heat resistance, and is commonly used in industrial pipelines with high temperature and high pressure. Nickel based alloys perform well in extreme high temperature, high pressure, and highly corrosive environments, playing an important role in high-end fields such as aerospace and marine engineering. The rich selection of materials enables ASTM forged pipe fittings to meet the diverse needs of almost all industrial fields.

ASTM A105

ASTM A105 is a standard developed by the American Society for Testing and Materials (ASTM) for carbon steel forgings, mainly used for pipeline system components (such as flanges, valves, fittings, etc.) in high temperature and high pressure environments. Download Standard: ASTM A105/A105N standard.

Chemical Composition

CHEMICAL	LIMITS	C	Mn	P	S	Si	Cu	Ni	Cr	Mo	V
ASTM A105	MIN		0.60			0.10
	MAX	0.35	1.05	0.035	0.040	0.35	0.40	0.40	0.30	0.12	0.08

Mechanical Properties

MATERIAL	T.S (MPA)	Y.S (MPA)	EL %	R/A %	HARDNESS
ASTM A105	485 min	250 min	22 min	30 min	197 max

ASTM A350 LF2

ASTM A350 LF2 is the most common low-temperature carbon steel material, specifically designed for pipeline systems in low-temperature environments. It is suitable for applications above -46 ° C and has good low-temperature impact toughness. It is widely used in the LNG, chemical, and refrigeration industries. Attention should be paid to impact testing and heat treatment status during procurement to ensure compliance with low-temperature usage requirements.

Chemical Composition

CHEMICAL	LIMITS	C	Mn	P	S	Si	Cu	Ni	Cr	Mo	V	Nb
ASTM A350 LF2	MIN		0.60			0.15
	MAX	0.30	1.35	0.035	0.040	0.35	0.40	0.40	0.30	0.12	0.08	0.02

Mechanical Properties

MATERIAL	T.S (MPA)	Y.S (MPA)	EL %	R/A %	HARDNESS
ASTM A350 LF2	485-655	250 min	22 min	30 min	197 max

ASTM A694

ASTM A694 is a carbon steel/alloy steel forging standard designed specifically for high-pressure pipeline systems such as oil and gas. It has high strength and resistance to hydrogen induced cracking (HIC), and is suitable for high-strength grades such as F42 and F52. Attention should be paid to impact testing, HIC/SSC testing (if applicable), and heat treatment status during procurement to ensure compliance with high-pressure operating conditions.

Chemical Composition

CHEMICAL	LIMITS	C	Mn	P	S	Si
ASTM A694 F42	MIN					0.15
	MAX	0.30	1.60	0.025	0.025	0.35

Mechanical Properties

MATERIAL	T.S (MPA)	Y.S (MPA)	EL %
ASTM A694 F42	415 min	290 min	20 min

ASTM A182

ASTM A182 is the core standard for stainless steel/alloy steel forging materials in high-temperature and corrosive environments, covering mainstream materials such as alloy steel, stainless steel, duplex stainless steel, etc. When selecting, it is necessary to choose the appropriate grade based on the medium, temperature, and pressure, and pay attention to corrosion resistance, heat treatment status, and certification requirements. Download Standard: ASTM A182 standard.

Alloy steel: ASTM A182 F12

Chemical Composition

CHEMICAL	LIMITS	C	Mn	P	S	Si	Ni	Cr	Mo
ASTM A182 F12 CL1	MIN	0.05	0.30					0.80	0.44
	MAX	0.15	0.60	0.45	0.45	0.50		1.25	0.65
ASTM A182 F12 CL2	MIN	0.10	0.30			0.10		0.80	0.44
	MAX	0.20	0.80	0.40	0.40	0.60		1.25	0.65

Mechanical Properties

MATERIAL	ASTM A182 F12 CL1	ASTM A182 F12 CL2
T.S (MPA)	415 min	485 min
Y.S (MPA)	220 min	475 min
EL %	20 min	20 min
R/A %	45 min	30 min
HARDNESS	121-174	143-207

Stainless steel: ASTM A182 F316

Chemical Composition

CHEMICAL	LIMITS	C	Mn	P	S	Si	Ni	Cr	Mo	N
ASTM A182 F316	MIN						10.00	16.00	2.00
	MAX	0.08	2.00	0.045	0.030	1.00	14.00	18.00	3.00	0.01

Mechanical Properties

MATERIAL	T.S (MPA)	Y.S (MPA)	EL %	R/A %
ASTM A182 F316	515 min	205 min	30 min	50 min

Duplex stainless steel: ASTM A182 F51

Chemical Composition

CHEMICAL	LIMITS	C	Mn	P	S	Si	Ni	Cr	Mo	N
ASTM A182 F51	MIN						4.50	21.00	2.50	0.08
	MAX	0.03	2.00	0.030	0.020	1.00	6.50	23.00	3.50	0.20

Mechanical Properties

MATERIAL	T.S (MPA)	Y.S (MPA)	EL %	R/A %
ASTM A182 F51	620 min	450 min	25 min	45 min

Types of ASTM forged fittings

ASTM forged fittings are mainly divided into two categories: socket fittings and threaded fittings.

Introduction to Socket Fittings

Socket welded pipe fittings are an important component of ASTM forged pipe fittings. By inserting the pipe into the fitting socket and welding it, the connection strength is high, the sealing is good, and it is suitable for high pressure, high temperature, and situations with strict leakage requirements; The types of socket fittings include elbows, tees, tees, pipe clamps, pipe caps, and flexible joints.

Size	1/4″ to 4″ ( DN6 to DN100)
Pressure	Class 3000, 6000, 9000 LBS
Standard	ASME B16.11, BS3799, MSS SP-79 / 83 / 85 / 97
Types	Socket Elbow,Tee,Cross,Cap,Coupling,Union,Outlet etc.

Class of the Fittings VS the Grade of the Connecting Pipes

Joint Type	Class	Grade of Connecting Pipes
SW	3000	Sch80、XS
	6000	Sch160
	9000	XXS

Introduction to Threaded Fittings

Threaded fittings are connected by threads, making installation and disassembly convenient. They are commonly used in low-pressure, small-diameter pipeline systems, making them easy to maintain and repair in the future. These diverse types of pipe fittings complement each other to create flexible, versatile, efficient, and reliable industrial pipeline systems. The types of threaded pipe fittings include elbows, tees, tees, pipe clamps, pipe caps, flexible joints, pipe plugs, bushings, hexagonal short joints, tapered pipes, etc.

Size	1/8″ to 4″ NPS
Pressure	Class 2000, 3000, 6000
Standard	ASME B16.11, BS3799, MSS SP-79 / 83 / 85 / 97
Types	Threaded Elbow,Tee,Cross,Coupling,Union,Outlet,Plug,Bushing,Swaged Nipple,Hex Nipple etc.

Class of the Fittings VS the Grade of the Connecting Pipes

Joint Type	Class	Grade of Connecting Pipes
THRD	2000	Sch80/XS
	3000	Sch160
	6000	XXS

ASTM forged pipe fittings provide a reliable connection method for pipeline systems. Socket welded fittings have high connection strength and good sealing, making them suitable for pipeline systems with strict leakage requirements; Threaded pipe fittings are easy to install and disassemble, making them convenient for later maintenance and repair. These diverse types of pipe fittings complement each other to create a flexible, versatile, efficient, and reliable industrial pipeline system.

ASME & MSS SP Standards

The production of ASTM forged pipe fittings follows a series of strict and comprehensive standards, which is a powerful guarantee of their high quality. The widely adopted ASME B16.11 manufacturing standard internationally provides extremely detailed regulations on the dimensions, pressure temperature ratings, markings, tolerances, and material requirements of forged fittings. In addition to ASME B16.11, a series of standards developed by MSS (Manufacturers Standardization Society of America) also play an important role in the production of ASTM forged fittings.

Dimension of Socket Weld Fittings

Socket fittings are made by forging round steel or steel ingots and machining them. Their connection method is socket welding, which involves inserting steel pipes into the socket holes of the fittings and welding them to form high-strength sealed connections. They are suitable for high-pressure environments such as petroleum and chemical, chemical and pharmaceutical industries.

          

SW 45° Elbow				SW 90° Elbow							SW Tee					SW Cross
ASME B16.11
Nominal  Size		Socket Bore Dia.	Bore Dia. of Fittings			Socket Wall Thickness						Body Wall			Depth of Socket	Center to Bottom of Socket
DN	NPS	B	D			C						G min			J min	A
			3000	6000	9000	3000		6000		9000		3000	6000	9000		90 Elbow,Tee,Cross			45  Elbow
						ave	min	ave	min	ave	min					3000	6000	9000	3000	6000	9000
6	1/8	10.9	6.1	3.2		3.18	3.18	3.96	3.43			2.41	3.15		9.5	11	11		8	8
8	1/4	14.3	8.5	5.6		3.78	3.3	4.6	4.01			3.02	3.68		9.5	11	13.5		8	8
10	3/8	17.7	11.8	8.4		4.01	3.5	5.03	4.37			3.2	4.01		9.5	13.5	15.5		8	11
15	1/2	21.9	15	11	5.6	4.67	4.09	5.97	5.18	9.53	8.18	3.73	4.78	7.47	9.5	15.5	19	25.5	11	12.5	15.5
20	3/4	27.3	20.2	14.8	10.3	4.9	4.27	6.96	6.04	9.78	8.56	3.91	5.56	7.82	12.5	19	22.5	28.5	13	14	19
25	1	34	25.9	19.9	14.4	5.69	4.98	7.92	6.93	11.38	9.96	4.55	6.35	9.09	12.5	22.5	27	32	14	17.5	20.5
32	11/4	42.8	34.3	28.7	22	6.07	5.28	7.92	6.93	12.14	10.62	4.85	6.35	9.7	12.5	27	32	35	17.5	20.5	22.5
40	11/2	48.9	40.1	33.2	27.2	6.35	5.54	8.92	7.8	12.7	11.12	5.08	7.14	10.15	12.5	32	38	38	20.5	25.5	25.5
50	2	61.2	51.7	42.1	37.4	6.93	6.04	10.92	9.5	13.84	12.12	5.54	8.74	11.07	16	38	41	54	25.5	28.5	28.5
65	21/2	73.9	61.2			8.76	7.62					7.01			16	41			28.5
80	3	89.9	76.4			9.52	8.3					7.62			16	57			32
100	4	115.5	100.7			10.69	9.35					8.56			19	66.5			41

Dimension of Threaded fittings

ASME B16.11 is the most common ASTM standard for the production of forged pipe fittings. This standard comes in various size specifications, ranging from 1/8 inch to 4 inches, with pressure ratings of Class 2000, Class 3000, and Classes 6000. These characteristics ensure the safety and stability of pipeline systems under different pressure environments. Threaded fittings refer to connections made through threads (NPT, BSP, etc.), suitable for small-diameter high-pressure pipeline systems (usually below DN100), and widely used in situations that require frequent disassembly or limited space.

               

Threaded 45 Elbow			Threaded 45 ° Elbow				Threaded Tee					Threaded Cross
ASME  B16.11
Nominal  Size		Center-to-End						Outside Diameter of Band			Wall Thickness			Length of Thread
DN	NPS	A						H			G min			L5 min	L2 min
		90°   Elbows, Tees, Crosses			45 °  Elbows
		2000	3000	6000	2000	3000	6000	2000	3000	6000	2000	3000	6000
6	1/8	21	21	25	17	17	19	22	22	25	3.18	3.18	6.35	6.4	6.7
8	1/4	21	25	28	17	19	22	22	25	33	3.18	3.30	6.60	8.1	10.2
10	3/8	25	28	33	19	22	25	25	33	38	3.18	3.51	6.98	9.1	10.4
15	1/2	28	33	38	22	25	28	33	38	46	3.18	4.09	8.15	10.9	13.6
20	3/4	33	38	44	25	28	33	38	46	56	3.18	4.32	8.53	12.7	13.9
25	1	38	44	51	28	33	35	46	56	62	3.68	4.98	9.93	14.7	17.3
32	1 1/4	44	51	60	33	35	43	56	62	75	3.89	5.28	10.59	17.0	18.0
40	1 1/2	51	60	64	35	43	44	62	75	84	4.01	5.56	11.07	17.8	18.4
50	2	60	64	53	43	44	52	75	84	102	4.27	7.14	12.09	19.0	19.2
65	2 1/2	76	83	95	52	52	64	92	102	121	5.61	7.65	15.29	23.6	28.9
80	3	86	95	106	64	64	79	109	121	146	5.99	8.84	16.64	25.9	30.5
100	4	106	114	114	79	79	79	146	152	152	6.55	11.18	18.67	27.7	33

MSS SP-97 is a standard specifically designed for branch pipe sockets, which provides detailed requirements for butt welded branch pipe sockets, covering structural design, dimensional tolerances, welding processes, and inspection standards. The butt welded support pipe socket that meets this standard can ensure good strength and sealing at the connection point when connected to the main pipe, and can effectively cope with the complex stress environment in pipeline systems. Therefore, it is widely used in industries such as petrochemicals and power that require high reliability for pipeline connections.

Dimension of Weldolet

Run pipe Nominal Size		Branch Nominal Size		Length			OD of Fitting			Cut hole Dia.
				A			D			d
DN	NPS	DN	NPS	STD	XS	SCH160	STD	XS	SCH	STD	XS	SCH160
8~900	1/4~36	6	1/8	16	16	-	24	24	-	16	16	-
10~900	3/8~36	8	1/4	16	16	-	26	16	-	16	16	-
15~900	1/2~36	10	3/8	19	19	-	30	30	-	19	19	-
20~900	3/4~36	15	1/2	19	19	28	36	36	36	24	24	14
25~900	1~36	20	3/4	22	22	32	43	43	46	30	30	19
32~900	11/4~36	25	1	27	27	38	55	55	51	36	36	25
40~900	11/2~36	32	11/4	32	32	44	66	66	63	45	45	33
50~900	2~36	40	11/2	33	33	51	74	74	71	51	51	38
65~900	21/2~36	50	2	38	38	55	90	90	82	65	65	43
80~900	3~36	65	21/2	41	41	62	104	104	98	76	76	54
90~900	31/2~36	80	3	44	44	73	124	124	122	93	93	73
100~900	4~36	90	31/2	48	48	-	138	138	-	113	113	-
125~900	5~36	100	4	51	51	84	154	154	154	120	120	98
150~900	6~36	125	5	57	57	94	187	187	188	141	141	122
200~900	8~36	150	6	60	78	105	213	227	222	170	170	146
250~900	10~36	200	8	70	99	-	265	292	-	220	220	-
300~900	12~36	250	10	78	94	-	323	325	-	275	265	-
350~900	14~36	300	12	86	103	-	379	381	-	325	317	-
400~900	16~36	350	14	89	10	-	411	416	-	257	361	-
450~900	18~36	400	16	94	106	-	465	468	-	408	403	-
500~900	20~36	450	18	97	111	-	522	525	-	459	455	-
550~900	22~36	500	20	102	119	-	573	584	-	508	509	-
650~900	26~36	600	24	116	140	-	690	708	-	614	612	-

Dimension of Threadolet

DN	NPS	DN	NPS	A		D1		D2		L	d1
				3000	6000	3000	6000	3000	6000		3000	6000
8~900	1/4~36	6	1/8	19	-	27	-	22	-	6.7	16	-
10~900	3/8~36	8	1/4	19	-	27	-	22	-	10.2	16	-
15~900	1/2~36	10	3/8	21	-	30	-	25	-	10.4	19	-
20~900	3/4~36	15	1/2	25	32	38	45	33	42	13.6	24	19
25~900	1~36	20	3/4	27	37	47	52	39	48	13.9	30	25
32~900	11/4~36	25	1	33	40	56	63	48	58	17.3	36	33
40~900	11/2~36	32	11/4	33	41	66	72	58	67	18.0	45	38
50~900	2~36	40	11/2	35	43	75	83	64	77	18.4	51	49
65~900	21/2~36	50	2	38	52	90	104	77	93	19.2	65	59
80~900	3~36	65	21/2	46	-	105	-	94	-	28.9	76	-
100~900	4~36	80	3	51	-	124	-	114	-	30.5	94	-
125~900	5~36	100	4	57	-	154	-	140	-	33.0	121	-

Dimension of Sockolet

DN	NPS	DN	NPS	J	A		D		C		d1
					3000	6000	3000	6000	3000	6000	3000	6000
8~900	1/4~36	6	1/8	9.5	10	-	27	-	3.18	-	16	-
-10~900	3/8~36	8	1/4	9.5	10	-	27	-	3.78	-	16	-
18~900	1/2~36	10	3/8	9.5	13	-	30	-	4.01	-	19	-
20~900	3/4~36	15	1/2	9.5	16	24	38	47	4.67	5.97	24	19
25~900	1~36	20	3/4	12.5	16	25	47	53	4.90	6.96	30	25
32~900	11/4~36	25	1	12.5	22	29	56	63	5.69	7.92	36	33
40~900	11/2~36	32	11/4	12.5	22	30	66	74	6.07	7.92	45	38
50~900	2	40	11/2	12.5	24	32	75	83	6.35	8.92	51	49
65~900	21/2~36	50	2	16	24	37	90	104	6.93	10.92	65	59
80~900	3~36	65	21/2	16	25	-	105	-	8.76	-	76	-
100~900	4~36	80	3	16	30	-	124	-	9.52	-	94	-
125~900	5~36	100	4	19	30	-	154	-	10.69	-	121	-

MSS SP 83 is a production standard for forging flexible joints, which covers dimensional tolerances, marking, materials, etc. Strictly control the dimensional accuracy to ensure a tight connection between the flexible joint and the pipeline, while also placing requirements on material selection and mechanical properties to ensure stable operation under different working conditions. It can be widely used for connecting pipes of different diameters, as well as for connecting instruments and valves to pipes.

Specification of MSS SP-83 Standard

Size	1/8″ to 3″ ( DN6 to DN80)
Pressure	Class 3000
Standard	MSS SP-83
Types	Socket Weld Union & Threaded Union

Class 3000 Threaded Union

DN	NPS	A min	C min	D	F min	G min	H	J min	L nom	N
6	1/8	14.7	2.4	8.4	3.2	3.2	16	1.2	41.4	51
				6.4
8	1/4	19.1	3	11.1	3.2	3.2	16	1.2	41.4	51
				9.4
10	3/8	22.9	3.2	14.3	3.4	3.4	14	1.4	46	56
				13.5
15	3/4	27.7	3.7	17.9	3.7	3.7	14	1.5	49	59
				17.1
20	1/2	33.5	3.9	23	4.1	4.1	11	1.7	56.9	66
				21.4
25	1	41.4	4.5	29	4.6	4.4	11	1.9	62	79
				27.7
32	1-1/4	50.5	4.9	37.7	5.3	5.2	10	2.1	71.1	94
				35.4
40	1-1/2	57.2	5.1	43.5	5.8	5.6	10	2.3	76.5	112
				41.2
50	2	70.1	5.5	55.6	6.6	6.4	10	2.7	86.1	132
				52.1
65	2-1/2	85.3	7	66.3	7.5	7.1	8	3.1	102.4	150
				64.3
80	3	102.4	7.6	82.6	8.3	8	8	3.5	109	176

Class 3000 Socket Weld Union

DN	NPS	A	B	C	D	E	F	G	H	J	K	L	N
6	1/8	21.8	10.9	3.2	6.1	20.7	3.2	3.2	16	1.2	9.7	41.4	51
8	1/4	21.8	14.3	3.3	8.5	20.7	3.2	3.2	16	1.2	9.7	41.4	51
10	3/8	25.9	17.7	3.5	11.8	23.8	3.4	3.4	14	1.4	9.7	46	56
15	3/4	31.2	21.9	4.1	15	23.8	3.7	3.7	14	1.5	9.7	49	59
20	1/2	37.1	27.3	4.3	20.2	28.6	4.1	4.1	11	1.7	12.7	56.9	66
25	1	45.5	34	5	25.9	30.2	4.6	4.4	11	1.9	12.7	62	79
32	1-1/4	54.9	42.8	5.3	34.3	36.6	5.3	5.2	10	2.1	12.7	71.1	94
40	1-1/2	61.5	48.9	5.5	40.1	38.1	5.8	5.6	10	2.3	12.7	76.5	112
50	2	75.2	61.2	6	51.7	41.4	6.6	6.4	10	2.7	15.7	86.1	132
65	2-1/2	91.7	73.9	7.7	61.2	56.9	7.5	7.1	8	3.1	15.7	102.4	150
80	3	109.2	89.9	8.3	76.4	58.7	8.3	8	8	3.5	15.7	109	176

MSS SP-95 has established manufacturing standards for reducing short sections, specifying requirements for short radius elbows, return bends, and reducing short sections. For reducing short joints, there are strict specifications for the transition accuracy of the pipe diameter at both ends, the uniformity of the wall thickness, and the overall mechanical performance to ensure smooth medium transportation when connecting pipes of different diameters, withstand pressure and stress in the pipeline system, and play an important role in variable diameter connections in various industrial pipeline systems.

Dimension of Swaged Nipple

DN	NPS	OD X OD	SL min	A		DN	NPS	ODX OD	SL min	A
8×6	1/4×1/8	13.7×10.3	20	57		65×6 65×8 65×10 65×15 65×20 65×25 65×32 65×40 65×50	21/2×1/8 21/2×1/4 21/2×3/8 21/2×1/2 21/2×3/4 21/2×1 21/2×11/4 21/2×11/2 21/2×2	73.0×10.3 73.0×13.7 73.0×17.1 73.0×21.3 73.0×26.7 73.0×33.4 73.0×42.2 73.0×48.3 73.0×60.3	22 22 22 25 25 30 30 40 40	178
10×6 10×8	3/8×1/8 3/8×1/4	17.1×10.3 17.1×13.7	20 20	64
15×6 15×8 15×10	1/2×1/8 1/2×1/4 1/2×3/8	21.3×10.3 21.3×13.7 21.3×17.1	20 20 20	70
20×6 20×8 20×10 20×15	3/4×1/8 3/4×1/4 3/4×3/8 3/4×1/2	26.7×10.3 26.7×13.7 26.7×17.1 26.7×21.3	20 20 22 22	76
						80×6 80×8 80×10 80×15 80×20  80×25  80×32  80×40  80×50  80×65	3×1/8 3×1/4 3×3/8 3×1/2 3×3/4 3×1 3×11/4 3×11/2 3×2 3×21/2	88.9×10.3 88.9×13.7 88.9×17.1 88.9×21.3 88.9×26.7 88.9×33.4 88.9×42.2 88.9×48.3 88.9×60.3 88.9×73.0	22 22 22 25 25 30 30 40 40 40	203
25×6 25×8 25×10 25×15 25×20	1×1/8 1×1/4 1×3/8 1×1/2 1×3/4	33.4×10.3 33.4×13.7 33.4×17.1 33.4×21.3 33.4×26.7	20 20 22 22 22	89
32×6 32×8 32×10 32×15 32×20 32×25	11/4×1/8 11/4×1/4 11/4×3/8 11/4×1/2 11/4×3/4 11/4×1	42.2×10.3 42.2×13.7 42.2×17.1 42.2×21.3 42.2×26.7 42.2×33.4	20 20 22 22 25 25	102
						90×6 90×8 90×10 90×15 90×20 90×25 90×32 90×40 90×50 90×65 90×80	31/2×1/8 31/2×1/4 31/2×3/8 31/2×1/2 31/2×3/4 31/2×1 31/2×11/4 31/2×11/2 31/2×2 31/2×21/2 31/2×3	101.6×10.3 101.6×13.7 101.6×17.1 101.6×21.3 101.6×26.7 101.6×33.4 101.6×42.2 101.6×48.3 101.6×60.3 101.6×73.0 101.6×88.9	22 22 22 25 25 30 30 40 40 40 40	203
40×6 40×8 40×10 40×15 40×20 40×25 40×32	11/2×1/8 11/2×1/4 11/2×3/8 11/2×1/2 11/2×3/4 11/2×1 11/2×11/4	48.3×10.3 48.3×13.7 48.3×17.1 48.3×21.3 48.3×26.7 48.3×33.4 48.3×42.2	20 20 22 25 25 25 25	114
50×6 50×8 50×10 50×15 50×20 50×25 50×32 50×40	2×1/8 2×1/4 2×3/8 2×1/2 2×3/4 2×1 2×11/4 2×11/2	60.3×10.3 60.3×13.7 60.3×17.1 60.3×21.3 60.3×26.7 60.3×33.4 60.3×42.2 60.3×48.3	20 22 22 25 30 30 30 30	165
						100×8  100×10  100×15  100×20  100×25  100×32	4×1/4 4×3/8 4×1/2 4×3/4 4×1 4× 11/4	114.3×13.7 114.3×17.1 114.3×21.3 114.3×26.7 114.3×33.4 114.3×42.2	25 25 25 30 30 40	229

In the production process, strict inspection of raw materials is also necessary to control quality from the source. Strict quality control is implemented for key processes such as forging, processing, and heat treatment. Advanced non-destructive testing techniques, such as ultrasonic testing and radiographic testing, are used to detect the presence of defects inside the pipe fittings; Using physical and chemical performance testing methods to accurately analyze the chemical composition and mechanical properties of pipe fittings, ensuring that every finished pipe fitting meets high quality requirements. The strict production standards make ASTM forged pipe fittings far superior in quality to ordinary fittings, making them an ideal choice for industrial piping systems.

Advantages of Forged Pipe Fittings

Excellent Mechanical Properties

High precision and good dimensional consistency

Excellent sealing performance

Strong corrosion resistance

Good weldability and plasticity

Application

Petrochemical industry

Power industry

Food, Beverage, and Pharmaceutical Industries

Construction and Municipal Engineering

Ocean Engineering and Shipbuilding

The Future of ASTM Forged Pipe Fittings

With the continuous advancement of technology and the sustained development of industry, the ASTM forged pipe fittings industry will also usher in new development opportunities and challenges. In the future, the industry will develop in the following directions:

Materials Innovation

Process optimization

Customized services

Intelligent monitoring and maintenance

ASTM forged pipe fittings play an important role in industrial pipeline systems due to their excellent quality, significant advantages, and wide range of applications. In the future, with the continuous innovation and development of the industry, ASTM forged pipe fittings will continue to provide solid support for the progress of the global industry and create greater value.