Line Pipe

Chemical Composition

PSL 1

Grade & class	C <=	Mn <=	P	S <=	Ti <=
Seamless, %
A25, Class I	0.21	0.60	<=0.030	0.030	--
A25, Class II	0.21	0.60	0.045 -0.080	0.030	--
A	0.22	0.90	<=0.030	0.030	--
B	0.28	1.20	<=0.030	0.030	0.04
X42	0.28	1.30	<=0.030	0.030	0.04
X46, X52, X56	0.28	1.40	<=0.030	0.030	0.04
X60	0.28	1.40	<=0.030	0.030	0.04
X65, X70	0.28	1.40	<=0.030	0.030	0.06
Welded ,%
A25, Class I	0.21	0.60	<=0.030	0.030	--
A25, Class II	0.21	0.6	0.045 -0.080	0.030	--
A	0.22	0.90	<=0.030	0.030	--
B	0.26	1.20	<=0.030	0.030	0.04
X42	0.26	1.30	<=0.030	0.030	0.04
X46, X52, X56	0.26	1.40	<=0.030	0.030	0.04
... X60	0.26	1.40	<=0.030	0.030	0.04
X65	0.26	1.40	<=0.030	0.030	0.06
X70	0.26	1.65	<=0.030	0.030	0.06

PSL 2

Grade	C <=	Mn <=	P	S <=	Ti <=
Seamless, %
B	0.24	1.20	0.025	0.015	0.04
X42	0.24	1.30	0.025	0.015	0.04
X46, X52, X56,X60	0.24	1.40	0.025	0.015	0.04
X65, X70,X80	0.24	1.40	0.025	0.015	0.06
Welded , %
B	0.22	1.20	0.025	0.015	0.04
X42	0.22	1.30	0.025	0.015	0.04
X46, X52, X56	0.22	1.40	0.025	0.015	0.04
X60	0.22	1.40	0.025	0.015	0.04
X65	0.22	1.45	0.025	0.015	0.06
X70	0.22	1.65	0.025	0.015	0.06
X80	0.22	1.85	0.025	0.015	0.06

PSL 1

Grade	Yield Strength, >=		Tensile Strength		Elongation In 2 inch (50.8mm), >=, %
Grade	psi	MPa	psi	MPa	Elongation In 2 inch (50.8mm), >=, %
A25	25,000	172	45,000	310	a
A	30,000	207	48,000	331	a
B	35,000	241	60,000	414	a
X42	42,000	290	60,000	414	a
X46	46,000	317	63,000	434	a
X52	52,000	359	66,000	455	a
X56	56,000	386	71,000	490	a
X60	60,000	414	75,000	517	a
X65	65,000	448	77,000	531	a
X70	70,000	483	82,000	565	a

PSL 2

Grade	Yield Strength, >=		Tensile Strength		Elongation In 2 inch (50.8mm), >=, %
Grade	psi	MPa	psi	MPa	Elongation In 2 inch (50.8mm), >=, %
B	35,000 -60,000	241-448	60,000 -110,000	414-758	a
X42	42,000 -72,000	290-496	60,000 -110,000	414-758	a
X46	46,000 -76,000	317-524	63,000 -110,000	434-758	a
X52	52,000 -77,000	359-531	66,000 -110,000	455-758	a
X56	56,000 -79,000	386-544	71,000 -110,000	490-758	a
X60	60,000 -82,000	414-565	75,000 -110,000	517-758	a
X65	65,000 - 87,000	448-600	77,000 -110,000	531-758	a
X70	70,000 -90,000	483-621	82,000 -110,000	565-758	a
X80	80,000 -100,000	552-690	90,000 -120,000	621-827	a

Size	Specified Outside Diameter -"D"		Specified Outside Diameter -"T"
Size	inch	mm	inch	mm
0.405	0.405	10.3	0.068-0.095	1.7.2.4
0.540	0.540	13.7	0.088-0.119	2.2-3.0
0.675	0.675	17.1	0.091-0.126	2.3-3.2
0.840	0.840	21.3	0.109-0.294	2.8-7.5
1.050	1.050	26.7	0.113-0.308	2.9-7.8
1.315	1.315	33.4	0.133-0.358	3.4-9.1
1.660	1.660	42.2	0.140-0.382	3.6-9.7
1.900	1.900	48.3	0.145-0.400	3.7-10.2
2^3/8	2.375	60.3	0.083-0.436	2.1-11.1
2^7/8	2.875	73.0	0.083-0.552	2.1-14.0
3^1/2	3.500	88.9	0.083-0.600	2.1-15.2
4	4.000	101.6	0.083-0.318	2.1-8.1
4^1/2	4.500	114.3	0.083-0.674	2.1-17.1
5^9/16	5.563	141.3	0.083-0.625	2.1-15.9
6^5/8	6.625	168.3	0.083-0.432	2.1-11.0
8^5/8	8.625	219.1	0.125-1.000	3.2-25.4
10^3/4	10.750	273.1	0.156-1.250	4.0-31.8
12^3/4	12.750	323.9	0.172-1.250	4.4-31.8
14	14.000	355.6	0.188-1.250	4.8-31.8
16	16.000	406.4	0.188-1.250	4.8-31.8
18	18.000	457.2	0.188-1.250	4.8-31.8
20	20.000	508.0	0.219-1.375	5.6-34.9
22	22.000	558.8	0.219-1.500	5.6-38.1
24	24.000	609.6	0.250-1.562	6.4-39.7
26	26.000	660.4	0.250-1.000	6.4-25.4
28	28.000	711.2	0.250-1.000	6.4-25.4
30	30.000	762.0	0.250-1.250	6.4-31.8
32	32.000	812.8	0.250-1.250	6.4-31.8
34	34.000	863.6	0.250-1.250	6.4-31.8
36	36.000	914.4	0.250-1.250	6.4.31.8
38	38.000	965.2	0.312-1.250	7.9-31.8
40	40.000	1016.0	0.312-1.250	7.9-31.8

Size	Tolerance (with respect to specified outside diameter)
<2^3/8	+0.016in, -0.031in. (+0.41mm, -0.8mm)
>= 2^3/8 and <=4^1/2, continuous welded	±1.00%
>= 23/8 and <20	±0.75%
>=20, seamless	±1.00%
>=20 and <=36, welded	+0.75%, -0.25%
>36, welded	+1/4in, -1/8in. (+6.4mm, -3.2mm)

Size	Tolerance	End-to-End Tolerance	Out-of-roundness
Size	Tolerance	End-to-End Tolerance	Diameter, Axis Tolerance	Maximum Differential Between Minimum. and Maximum Diameters (Applies only to Pipe with D/t <=75)
<=10^3/4	-1/64(0.4mm) +1/16(1.6mm)	--	--	--
>10^3/4 and <=20	-1/32(0.8mm) +3/32(2.4mm)	--	--	--
>20 and <=42	-1/32(0.8mm) +3/32(2.4mm)	b	±1%	<=0.500 in.(12.7mm)
>42	-1/32(0.8mm) +3/32(2.4mm)	b	±1%	<=0.625 in.(15.9mm)

Size	Type of Pipe	Tolerance (Percent of Specified. Wall Thickness)
Size	Type of Pipe	Grade B or Lower	Grade X42 or Higher
<=2^7/8	All	+20.0,-12.5	+15.0,-12.5
>2^7/8	All	+15.0,-12.5	+15.0,-12.5
>=20	Welded	+17.5,-12.5	+19.5, -8.0
>=20	Seamless	+15.0,-12.5	+17.5,-10.0

Quality	Tolerance(%)
Single lengths, special plain-end pipe or A25 pipe	+10, -5.0
Single lengths, other pipe	+10, -3.5
Carloads, Grade A25, 40,000 lb (18 144kg) or more	-2.5
Carloads, otter than Grade A25, 40,00016 (18 144kg) or more	-1.75
Carloads, all grades, less than 40,000 lb (18 144kg)	-3.5
Order items, Grade A25, 40,000 lb (18 144kg) or more	-3.5
Order items, other than Grade A25, 40,000 lb (18 144kg) or more	-1.75
Order items, all grades, less then 40,000 lb (18 144kg)	-3.5

Nominal Length		Minimum, Length		Minimum Average Length For Each Order Item		Maximum Length
ft	m	ft	m	ft	m	ft	m
Threaded-and-coupled Pipe
20	6	16.0	4.88	17.5	5.33	22.5	6.86
40	12	22.0	6.71	35.0	10.67	45.0	13.72
Plain-end-Pipe
20	6	9.0	2.74	17.5	5.33	22.5	6.86
40	12	14.0	4.27	35.0	10.67	45.0	13.72
50	15	17.5	5.33	43.88	13.35	55.0	16.76
60	18	21.0	6.40	52.5	16.00	65.0	19.81
80	24	28.0	8.53	70.0	21.34	85.0	25.91