Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures ASTM A671

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Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures ASTM A671

Designation: A 671/A 671M
Standard Specification for Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures

Plate specifications
Pipe grade	Type of steel	ASTM specification
		No.				Grade
CA 55	plain carbon	A 285/A 285M				C
CB 60	plain carbon, killed	A515/A 515M				60
CB 65	plain carbon, killed	A515/A 515M				65
CB 70	plain carbon, killed	A515/A 515M				70
CC 60	plain carbon, killed, fine grain	A516/A 516M				60
CC 65	plain carbon, killed, fine grain	A516/A 516M				65
CC 70	plain carbon, killed, fine grain	A516/A 516M				70
CD 70	manganese-silicon, normalized	A 537/A 537M				1
CD 80	manganese-silicon, quenched and tempered	A 537/A 537M				2
CF 65	nickel steel	A 203/A 203M				A
CF 70	nickel steel	A 203/A 203M				B
CF 66	nickel steel	A 203/A 203M				D
CF 71	nickel steel	A 203/A 203M				E
CG 100	9% nickel	A 353/A 353M
CH 100	9% nickel	A 553/A 553M				1
CJ 101	alloy steel, quenched and tempered	A517/A 517M				A
CJ102	alloy steel, quenched and tempered	A517/A 517M				B
CJ 103	alloy steel, quenched and tempered	A517/A 517M				C
CJ 104	alloy steel, quenched and tempered	A517/A 517M				D
CJ 105	alloy steel, quenched and tempered	A517/A 517M				E
CJ 106	alloy steel, quenched and tempered	A517/A 517M				F
CJ 107	alloy steel, quenched and tempered	A517/A 517M				G
CJ 108	alloy steel, quenched and tempered	A517/A 517M				H
CJ 109	alloy steel, quenched and tempered	A517/A 517M				J
CJ 110	alloy steel, quenched and tempered	A517/A 517M				K
CJ 111	alloy steel, quenched and tempered	A517/A 517M				L
CJ 112	alloy steel, quenched and tempered	A517/A 517M				M
CJ 113	alloy steel, quenched and tempered	A517/A 517M				P
CK 75	carbon-manganese-silicon	A 299/A 299M
CP65	alloy steel, age hardening, normalized and precipitation heat treated	A 736/A 736M				2
CP75	alloy steel, age hardening, quenched and precipitation heat treated	A 736/A 736M				3
Heat treatment parameters
Pipe grade	ASTM specification and grade	Post weld heat treatment temperature range °F (°C)			Normalizing temperature, max, °F (°C)	Quenching temperature, max, °F, (°C)	Quenching temperature, min, °F, (°C)	Precipitation heat treatment temperature range °F (°C)
CA 55	A 285/A 285M (C)	1100-1250 (590-680)			1700 (925)	…	…	…
CB 60	A515/A 515M (60)	1100-1250 (590-680)			1750 (950)	…	…	…
CB 65	A515/A 515M (65)	1100-1250 (590-680)			1750 (950)	…	…	…
CB 70	A515/A 515M	1100-1250 (590-680)			1750 (950)	…	…	…
CC 60	A516/A 516M (60)	1100-1250 (590-680)^B			1700 (925)	1650 (900)	1200 (650)^C	…
CC 65	A516/A 516M (65)	1100-1250 (590-680)^B			1700 (925)	1650 (900)	1200 (650)	…
CC 70	A516/A 516M (70)	1100-1250 (590-680)^B			1700 (925)	1650 (900)	1200 (650)	…
CD 70	A 537/A 537M (1)	1100-1250 (590-680)			1700 (925)	…	…	…
CD 80	A 537/A 537M (2)	1100-1250 (590-680)^B			…	1650 (900)	1100 (590)	…
CF 65	A 203/A 203M (A)	1100-1175 (590-635)			1750 (950)	…	…	…
CF 70	A 203/A 203M (B)	1100-1175 (590-635)			1750 (950)	…	…	…
CF 66	A 203/A 203M (D)	1100-1175 (590-635)			1750 (950)	…	…	…
CF 71	A 203/A 203M (E)	1100-1175 (590-635)			1750 (950)	…	…	…
CG 100	A 353/A 353M	1025-1085 (550-580)			1650 (900)	…	1050 (560)	…
CH 100	A 553/A 553M	1025-1085 (550-580)			1650 (900)	…	1050 (560)	…
CJ 101	A517/A 517M (A)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ102	A517/A 517M (B)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 103	A517/A 517M (C)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 104	A517/A 517M (D)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 105	A517/A 517M (E)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 106	A517/A 517M (F)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 107	A517/A 517M (G)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 108	A517/A 517M (H)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 109	A517/A 517M (J)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 110	A517/A 517M (K)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 111	A517/A 517M (L)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 112	A517/A 517M (M)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CJ 113	A517/A 517M (P)	1000-1100 (540-590)			…	1725 (940)^D	1150 (620)	…
CK 75	A 299/A 299M	1100-1250 (590-680)			1700 (925)	…	…	…
CP65	A 736/A 736M (2)	1000-1175 (540-635)			1725 (940)	…	…	1000-1200 (540-650)
CP75	A 736/A 736M (3)	1000-1175 (540-635)			…	1725 (940)	…	1000-1225 (540-665)
^ANumber indicate minimum tensile strength in ksi.
^BIn no case shall be the post-weld heat-treatment temperature exceed the mill tempering temperature.
^CTempering range 1100 to 1300 (590 to 705), if accelerated cooling ultilized per specification A516/a 516M.
^DPer ASME Section VIII specification A 517/A 517M specified 1650 (900) minimum quenching temperature.
Wall Thickness: Welded and Seamless Wrought Steel Pipe, ANSI /ASME B36.10M
Schedule (SCH)	SCH 5	SCH 10	SCH 20	SCH 30	SCH STD	SCH 40	SCH 60	SCH XS
	SCH 80	SCH 100	SCH 120	SCH 160		SCH XXS	SCH XX.H
End of pipe end
Plain Ends (PE)		The PE pipes will generally be used for the smaller diameters pipe systems and in combination with Slip On flanges and Socket Weld fittings and flanges.

Threaded Ends (TE)		The TE implementation speaks for itself, this performance will generally used for small diameters pipe systems, and the connections will be made with threaded flanges and threaded fittings.

Beveled Ends (BE)		The BE implementation is applied to all diameters of buttweld flanges or buttweld fittings, and will be directly welded (with a small gap 3-4 mm) to each other or to the pipe. Ends are mostly be beveled to angle 30° (+ 5° / -0°) with a root face of 1.6 mm (± 0.8 mm).


Grooved ends		(example Victaulic pipes): these are pipes that allow a quick connection, used for non-critical applications
Threaded and coupled ends		(T&C), generally used for gas distribution, Threaded connections are the most common pipe fittings used in oil and gas transportation systems. Due to external vibrations, cyclic loads, and pollution, the fitting parts may start getting loose, which could result in pipeline leaks and other environmental disasters. It is of great significance to develop a reliable technique that could provide…




Type end : Plain Ends / Beveled Ends: Pipe
• Bevel End (BE) • Bevel Both Ends (BBE) • Bevel Large End (BLE) • Bevel One End (BOE) • Bevel Small End (BSE) • Bevel for Welding (BFW) • Buttweld End (BE)		• End of Pipe (EOP) • Flange One End (FOE) • Plain End (PE) • Plain Both Ends (PBE) • Plain One End (POE) • Thread End (TE) • Thread Both Ends (TBE)				• Thread Large End (TLE) • Thread One End (TOE) • Thread Small End (TSE) • Threads Only (TO) • Threads per Inch (TP I)







Plastic End Caps for Tubing and Pipe Ends
Pipe End Caps		Pipe End Plugs			Threaded Pipe Caps		Threaded Pipe Plugs
The American Society Of Mechanical Engineers					American National Standards Institute
ASME B36.19M					ANSI B36.19
ASME B36.10M					ANSI B36.10

Dimensions of Steel Pipes ASME B36.10 and B36.19
Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures ASTM A671
1/2 inches to 2 inches
NPS	1/2"	3/4"	1"	1¼"	1½"	2"
OD	21.3	26.7	33.4	42.2	48.3	60.3
	Wall Thickness
Sch 5	1.65	1.65	1.65	1.65	1.65	1.65
Sch 5S	1.65	1.65	1.65	1.65	1.65	1.65
Sch 10	2.11	2.11	2.77	2.77	2.77	2.77
Sch 10S	2.11	2.11	2.77	2.77	2.77	2.77
Sch 20	–	…	–	…	–	…
Sch 30	2.41	2.41	2.90	2.97	3.18	3.18
STD	2.77	2.87	3.38	3.56	3.68	3.91
Sch 40	2.77	2.87	3.38	3.56	3.68	3.91
Sch 40S	2.77	2.87	3.38	3.56	3.68	3.91
Sch 60	–	…	–	…	–	…
XS	3.73	3.91	4.55	4.85	5.08	5.54
Sch 80	3.73	3.91	4.55	4.85	5.08	5.54
Sch 80S	3.73	3.91	4.55	4.85	5.08	5.54
Sch 100	–	…	–	…	–	…
Sch 120	–	…	–	…	–	…
Sch 140	–	…	–	…	–	…
XXS	7.47	7.82	9.09	9.70	10.15	11.07
Sch 160	4.78	5.56	6.35	6.35	7.14	8.74
NPS = Nominal Pipe Size O.D. = Outside Diameter
Dimensions are in millimeters unless otherwise indicated.
DIMENSIONAL TOLERANCES FOR SEAMLESS AND WELDED PIPES ASTM A530
Nominal pipe size
up to 4 = ± 0.79 mm \| 5 thru 8 = + 1.58 mm / – 0.79 mm
10 thru 18 = + 2.37 mm / – 0.79 mm \| 20 thru 24 = + 3.18 mm / – 0.79 mm
Wall Thickness			Length		Weight
All Diameters = – 12.5%			+ 6.40 mm / – 0 mm		Weight = + 10% / – 1.5%
2 1/2 inches to 5 inches
NPS	2½"	3"	3½"	4"	5"
OD	73	88.9	101.6	114.3	141.3
	Wall Thickness
Sch 5	2.11	2.11	2.11	2.11	2.77
Sch 5S	2.11	2.11	2.11	2.11	2.77
Sch 10	3.05	3.05	3.05	3.05	3.40
Sch 10S	3.05	3.05	3.05	3.05	3.40
Sch 20		…			…
Sch 30	4.78	4.78	4.78	4.78	…
STD	5.16	5.49	5.74	6.02	6.55
Sch 40	5.16	5.49	5.74	6.02	6.55
Sch 40S	5.16	5.49	5.74	6.02	6.55
Sch 60		…			…
XS	7.01	7.62	8.08	8.56	9.53
Sch 80	7.01	7.62	8.08	8.56	9.53
Sch 80S	7.01	7.62	8.08	8.56	9.53
Sch 100		…			…
Sch 120		…		11.13	12.7
Sch 140		…			…
XXS	14.02	15.24		17.12	19.05
Sch 160	9.53	11.13		13.49	15.88
NPS = Nominal Pipe Size O.D. = Outside Diameter
Dimensions are in millimeters unless otherwise indicated.
DIMENSIONAL TOLERANCES FOR SEAMLESS AND WELDED PIPES ASTM A530
Nominal pipe size
up to 4 = ± 0.79 mm \| 5 thru 8 = + 1.58 mm / – 0.79 mm
10 thru 18 = + 2.37 mm / – 0.79 mm \| 20 thru 24 = + 3.18 mm / – 0.79 mm
Wall Thickness		Length		Weight
All Diameters = – 12.5%		+ 6.40 mm / – 0 mm		Weight = + 10% / – 1.5%
6 inches to 14 inches
NPS	6"	8"	10"	12"	14"
OD	168.3	219	273	323.9	355.6
	Wall Thickness
Sch 5	2.77	2.77	3.40	3.96	3.96
Sch 5S	2.77	2.77	3.40	3.96	3.96
Sch 10	3.40	3.76	4.19	4.57	6.35
Sch 10S	3.40	3.76	4.19	4.57	4.78
Sch 20		6.35	6.35	6.35	7.92
Sch 30		7.04	7.80	8.38	9.53
STD	7.11	8.18	9.27	9.53	9.53
Sch 40	7.11	8.18	9.27	10.31	11.13
Sch 40S	7.11	8.18	9.27	9.53	9.53
Sch 60		10.31	12.70	14.27	15.06
XS	10.97	12.70	12.70	12.70	12.70
Sch 80	10.97	12.70	15.09	17.48	19.05
Sch 80S	10.97	12.70	12.70	12.70	12.70
Sch 100		15.09	18.26	21.44	23.83
Sch 120	14.27	18.26	21.44	25.40	27.79
Sch 140		20.62	25.40	28.58	31.75
XXS	21.95	22.23	25.40	25.40
Sch 160	18.26	23.01	28.58	33.32	35.71
NPS = Nominal Pipe Size O.D. = Outside Diameter
Dimensions are in millimeters unless otherwise indicated.
DIMENSIONAL TOLERANCES FOR SEAMLESS AND WELDED PIPES ASTM A530
Nominal pipe size
up to 4 = ± 0.79 mm \| 5 thru 8 = + 1.58 mm / – 0.79 mm
10 thru 18 = + 2.37 mm / – 0.79 mm \| 20 thru 24 = + 3.18 mm / – 0.79 mm
Wall Thickness		Length		Weight
All Diameters = – 12.5%		+ 6.40 mm / – 0 mm		Weight = + 10% / – 1.5%
16 inches to 24 inches
NPS	16"	18"	20"	22"	24"
OD	406.04	457.2	508	558.8	609.6
	Wall Thickness
Sch 5	4.19	4.19	4.78	4.78	5.54
Sch 5S	4.19	4.19	4.78	4.78	5.54
Sch 10	6.35	6.35	6.35	6.35	6.35
Sch 10S	4.78	4.78	5.54	5.54	6.35
Sch 20	7.92	7.92	9.53	9.53	9.53
Sch 30	9.53	11.13	12.70	12.70	14.27
STD	9.53	9.53	9.53	9.53	9.53
Sch 40	12.70	14.27	15.09	…	17.48
Sch 40S	9.53	9.53	9.53	…	9.53
Sch 60	16.66	19.05	20.62	22.23	24.61
XS	12.70	12.70	12.70	12.70	12.70
Sch 80	21.44	23.83	26.19	28.58	30.96
Sch 80S	12.70	12.70	12.70	…	12.70
Sch 100	26.19	29.36	32.54	34.93	38.89
Sch 120	30.96	34.93	38.10	41.28	46.02
Sch 140	36.53	39.67	44.45	47.63	52.37
XXS		…		…
Sch 160	40.49	45.24	50.01	53.98	59.54
NPS = Nominal Pipe Size O.D. = Outside Diameter
Dimensions are in millimeters unless otherwise indicated.
DIMENSIONAL TOLERANCES FOR SEAMLESS AND WELDED PIPES ASTM A530
Nominal pipe size
up to 4 = ± 0.79 mm \| 5 thru 8 = + 1.58 mm / – 0.79 mm
10 thru 18 = + 2.37 mm / – 0.79 mm \| 20 thru 24 = + 3.18 mm / – 0.79 mm
Wall Thickness		Length		Weight
All Diameters = – 12.5%		+ 6.40 mm / – 0 mm		Weight = + 10% / – 1.5%
26 inches to 48 inches
26" > 48"			Wall Thickness and Weight
NPS	OD		5	5S	10
26	660	wt			7.92
		kg/m			127.36
28	711	wt			7.92
		kg/m			137.32
30	762	wt	6.35	6.35	7.92
		kg/m	118.34	118.31	147.29
32	813	wt			7.92
		kg/m			157.25
34	864	wt			7.92
		kg/m			167.21
36	914	wt			7.92
		kg/m			176.97
38	965	wt
		kg/m
40	1016	wt
		kg/m
42	1067	wt
		kg/m
44	1118	wt
		kg/m
46	1168	wt
		kg/m
48	1219	wt
		kg/m
26 – 48			Wall Thickness and Weight
NPS	OD		10S	20	30
26	660	wt		12.70
		kg/m		202.74
28	711	wt		12.70	15.88
		kg/m		218.71	272.23
30	762	wt	7.92	12.70	15.88
		kg/m	132.91	234.68	292.20
32	813	wt		12.70	15.88
		kg/m		250.65	312.17
34	864	wt		12.70	15.88
		kg/m		266.63	332.14
36	914	wt		12.70	15.88
		kg/m		282.29	351.73
38	965	wt
		kg/m
40	1016	wt
		kg/m
42	1067	wt
		kg/m
44	1118	wt
		kg/m
46	1168	wt
		kg/m
48	1219	wt
		kg/m
26 – 48			Wall Thickness and Weight
NPS	OD		STD	40	XS
26	660	wt	9.53		12.70
		kg/m	152.88		202.74
28	711	wt	9.53		12.70
		kg/m	164.86		218.71
30	762	wt	9.53		12.70
		kg/m	176.85		234.68
32	813	wt	9.53	17.48	12.70
		kg/m	188.83	342.94	250.65
34	864	wt	9.53	17.48	12.70
		kg/m	200.82	364.92	266.63
36	914	wt	9.53	19.05	12.70
		kg/m	212.57	420.45	282.29
38	965	wt	9.53		12.70
		kg/m	224.56		298.26
40	1016	wt	9.53		12.70
		kg/m	236.54		314.23
42	1067	wt	9.53		12.70
		kg/m	248.53		330.21
44	1118	wt	9.53		12.70
		kg/m	260.52		346.18
46	1168	wt	9.53		12.70
		kg/m	272.70		361.84
48	1219	wt	9.53		12.70
		kg/m	284.25		377.81
NPS = Nominal Pipe Size
O.D. = Outside Diameter
WT = Walltickness
KG/M = Kilogram per meter
Dimensions are in millimeters unless otherwise indicated
Weights are in kilograms p/meter and approximately given

Electric-Fusion-Welded Steel Pipe, A671 Grade CP 75	Electric-Fusion-Welded Steel Pipe, A671 Grade CP 65	Electric-Fusion-Welded Steel Pipe, A671 Grade CK 75
Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 113	Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 112	Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 111
Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 110	Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 109	Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 108
Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 107	Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 106	Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 105
Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 104	Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 103	Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 102
Electric-Fusion-Welded Steel Pipe, A671 Grade CJ 101	Electric-Fusion-Welded Steel Pipe, A671 Grade CH 100	Electric-Fusion-Welded Steel Pipe, A671 GradeCG 100
Electric-Fusion-Welded Steel Pipe, A671 Grade CF 71	Electric-Fusion-Welded Steel Pipe, A671 Grade CF 66	Electric-Fusion-Welded Steel Pipe, A671 Grade CF 70
Electric-Fusion-Welded Steel Pipe, A671 Grade CF 65	Electric-Fusion-Welded Steel Pipe, A671 Grade CD 80	Electric-Fusion-Welded Steel Pipe, A671 Grade CD 70
Electric-Fusion-Welded Steel Pipe, A671 Grade CC 70	Electric-Fusion-Welded Steel Pipe, A671 Grade CC 65	Electric-Fusion-Welded Steel Pipe, A671 Grade CC 60
Electric-Fusion-Welded Steel Pipe, A671 Grade CB 70	Electric-Fusion-Welded Steel Pipe, A671 Grade CB 65	Electric-Fusion-Welded Steel Pipe, A671 Grade CB 60
Electric-Fusion-Welded Steel Pipe, A671 Grade CA 55