Carbon Steel Seamless Pipes & Tubes

Product Applications

Chemical Composition & Mechanical Properties - ASTM & API

Speciflcation	Type	Garde	Chemical Composition (%)															Mechanical Properties					Hydrostatic Test Pressu/re	Hardress (mm)
			C		Mn		P	S	Sl		Cr		Mo		Cu	Ni	V	Yield Strength		Tensile Strength		% Elongation (GL. 50 mm WT 8 mm ) e (mm)
																		Min		Min
			Min	Max	Min	Max	Max	Max	Min	Max	Min	Max	Min	Max	Max	Max	Max	PSi	MPa	PSI	MPa
ASTM A-53	E & S	A	-	0.25	-	0.95	0.05	0.045	-	-	-	0.4	-	0.15	0.40 for S 0.50 for E	0.40	0.08	30,000	205	48,000	330	e=625.000 A ^0.2/U ^0.9	P=2 StD or 2800 PSI (19.3 MPa ) for Size > 3.5" OD P=2 St/D or 2500 PSI (17.0 MPa ) for SIZE > 3.5"OD Whichever is smaller S=0.60 times minmum specifled YS PSI (Kpa)

	E & S	B	-	0.3	-	120	0.05	0.045	-	-	-	0.4	-	0.15	0.40 FOR S 0.50 FOR E	0.40	0.08	35,000	240	60,000	415





ASTM A-106	S	A	-	0.25	0.27	0.93	0.035	0.035	0.10	-	-	0.40	-	0.15	0.4	0.4	0.08	30,000	205	48,000	330	35L /25T	P=2S t/D or 2800 PSI (19.3 MPa ) for Pipe Size > 3.5" OD P=2 St/D or 2500 PSI (17,0MPA ) for pipe size <=3.5" OD Which ever is smaller S=0.60 times SMYS PSI (Kpa)


		B	-	0.30	0.29	1.06	0.035	0.035	0.10	-	-	0.40	-	0.15	0.4	-	0.08	35,000	240	60,000	415	30L/ 16.5T

		C	-	0.35	0.29	1.06	0.035	0.035	0.10	-	-	0.4	-	0.15	0.4	-	0.08	40,000	275	70,000	485	30L/ 16.5T

P - Hydrostatic Test Pressure : D -Specified Outside Diameter (mm);t-Specifled Wall Thickness (mm) : A-Cross Sectional Area (inch/mm) : U- Specified Tensile Stergth (PSl\MPa)
E : ERW ( Electric Resistance Welded) : S- Seamless, SMYS - Specified Min. Yield Strength

Specification	Type	Grade	Chemical Composition (%) Max.										Mechanical Properties									Impact Energy J (Ft.lb) (min.)	Hydrostatic Test Pressure
			C	Mn	P	S	Si	V	Nb	Ti	C.E.		Yield Strength				Tensile Strength				% Elongation e
			C	Mn	P	S	Si	V	Nb	Ti	PCM	IIW	Min		Max		Min		Max
													PSI	MPa	PSI	MPa	PSI	MPa	PSI	MPa
API 5L	E & S PSL - 1	L210 or A	0.22	0.90	0.030	0.030	-	-	-	-	-	-	30,500	210	-	-	48,600	335	-	-	U.S Customary Unit e = 625,000 A0.2 / U0.9 S.I Unit e = 1940 A0.2 / U0.9 Legend : e = specified min. elongation A=Tensile test piece cross sectional area. U=Specified min. tensile strength.	-	U.S Customary Unit, P = 2 S t / D S.I Unit P = 2000 S t/D where, P = Hydrostatic test Pr. in PSI (KPa) t = Specified W.T. inch (mm) D = Specified Outside diameter, inch (mm) S = Fibre Stress in PSI (MPa) = 60% of Min. Y.S for all sizes for Grade A & B = 60% of Min.Y.S for all sizes <5 9/16" for Grade X-42 and above
		L245 or B	0.26	1.20	0.030	0.030	-	-	-	-	-	-	35,500	245	-	-	60,200	415	-	-		-
		L290 or X-42	0.26	1.30	0.030	0.030	-	-	-	-	-	-	42,100	290	-	-	60,200	415	-	-		-
		L320 or X-46	0.26	1.40	0.030	0.030	-	-	-	-	-	-	46,400	320	-	-	63,100	435	-	-		-
		L360 or X-52	0.26	1.40	0.030	0.030	-	-	-	-	-	-	52,200	360	-	-	66,700	460	-	-		-
		L390 or X-56	0.26	1.40	0.030	0.030	-	-	-	-	-	-	56,600	390	-	-	71,100	490	-	-		-
		L415 or X-60	0.26	1.40	0.030	0.030	-	-	-	-	-	-	60,200	415	-	-	75,400	520	-	-		-
		L450 or X-65	0.26	1.45	0.030	0.030	-	-	-	-	-	-	65,300	450	-	-	77,600	535	-	-		-
		L485 or X-70	0.26	1.65	0.030	0.030	-	-	-	-	-	-	70,300	485	-	-	82,700	570	-	-		-
	Note : For Seamless, `C' will be 0.28% for Gr. B to X-70 and 'Mn' for Gr. X-65 to X-70 will be 1.40%
API 5L	PSL - 2 E & S	L245R or BR	0.24	1.20	0.025	0.015	0.40	-	-	0.040	0.25	0.43	35,500	245	65,300	450	60,200	415	110,200	760		27/20	= 75% of Min. Y.S for size > 5 9/16" &
		L245N or BN	0.24	1.20	0.025	0.015	0.40	-	-	0.040	0.25	0.43											< 8 5/8" for Grade X-42 and above =85% of Min. Y.S for size >8 5/8" & < 20" for Gr X-42 and above = 90% of Min. Y.S for size >= 20" for Grade X-42 and above Std. Test pressure limited to 3000 PSI (20700 kpa) for Grade X-42 and above Alternate test pressure limited to 7260 PSI (50000 kpa) for size <16" and 3630 PSI (25000 kpa) for size >=16" for Gr. X-42 and above
		L245Q or BQ	0.18	1.40	0.025	0.015	0.45	0.050	0.050	0.040	0.25	0.43
		L245M or BM	0.22	1.20	0.025	0.015	0.45	0.050	0.050	0.040	0.25	0.43
		L290R or X42R	0.24	1.20	0.025	0.015	0.40	0.060	0.050	0.040	0.25	0.43	42,100	290	71,800	495	60,200	415	110,200	760		27 (20)
		L290N or X42N	0.24	1.20	0.025	0.015	0.40	0.060	0.050	0.040	0.25	0.43
		L290Q or X42Q	0.18	1.40	0.025	0.015	0.45	0.050	0.050	0.040	0.25	0.43
		L290M or X42M	0.22	1.3	0.025	0.015	0.45	0.050	0.050	0.040	0.25	0.43
		L320N or X46N	0.24	1.40	0.025	0.015	0.40	0.070	0.050	0.040	0.25	0.43	46,400	320	76100	525	63,100	435	110,200	760		27 (20)
		L320Q or X46Q	0.18	1.40	0.025	0.015	0.45	0.050	0.050	0.040	0.25	0.43
		L320M or X46M	0.22	1.3	0.025	0.015	0.45	0.050	0.050	0.040	0.25	0.43
		L360N or X52N	0.24	1.40	0.025	0.015	0.45	0.100	0.050	0.040	0.25	0.43	52,200	360	76,900	530	66,700	460	110,200	760		27 (20)
		L360Q or X52Q	0.18	1.50	0.025	0.015	0.45	0.050	0.050	0.040	0.25	0.43
		L360M or X52M	0.22	1.4	0.025	0.015	0.45	-	-	-	0.25	0.43
		L390N or X56N	0.24	1.40	0.025	0.015	0.45	0.100	0.050	0.040	0.25	0.43	56,600	390	79,000	545	71,100	490	110,200	760		27 (20)
		L390Q or X56Q	0.18	1.50	0.025	0.015	0.45	0.070	0.050	0.040	0.25	0.43
		L390M or X56M	0.22	1.4	0.025	0.015	0.45	-	-	-	0.25	0.43
		L415N or X60N	0.24	1.40	0.025	0.015	0.45	0.100	0.050	0.040	As Agreed		60,200	415	81,900	565	75,400	520	110,200	760		27 (20)
		L415Q or X60Q	0.18	1.70	0.025	0.015	0.45	-	-	-	0.25	0.43
		L415M or X60M	0.12	1.6	0.025	0.015	0.45	-	-	-	0.25	0.43
		L450Q or X65Q	0.18	1.70	0.025	0.015	0.45	-	-	-	0.25	0.43	65,300	450	87,000	600	77,600	535	110,200	760		27 (20)
		L450M or X65M	0.12	1.6	0.025	0.015	0.45	-	-	-	0.25	0.43
		L485Q or X70Q	0.18	1.80	0.025	0.015	0.45	-	-	-	0.25	0.43	70,300	485	92,100	635	82,700	570	110,200	760		27 (20)
		L485M or X70M	0.12	1.7	0.025	0.015	0.45	-	-	-	0.25	0.43
		L555Q or X80Q	0.18	1.90	0.025	0.015	0.45	-	-	-	As Agreed		80,500	555	102,300	705	90,600	625	119,700	825		40 (30)
		L555M or X80M	0.12	1.85	0.025	0.015	0.45	-	-	-	0.25	0.43

E = ERW (Electric Resistance Welded)
S = Seamless ;
YS - Yield Strength

Tolerance on Outside Diameter, Wall Thikness, Weight & Length of Pipe

SPEC.	TYPE	OUTSIDE DIAMETER		WALL THICKNESS	WEIGHT	LENGTH
		PIPE BODY	PIPE ENDS (PLAIN END)			NOMINAL		AVG(min)		MINIMUM		MAXIMUM
		PIPE BODY	PIPE ENDS (PLAIN END)			ft.	Mtr	ft.	Mtr	ft.	Mtr	ft.	Mtr
ASTM A-53	E,S	1-1/2" NPS & under : ± 0.40 mm 2" NPS and over : ± 1.0%	N.A	At any point : - 12.5% (max)	±10%	20	6	-	-	16	4.88	22	6.71
ASTM A-53	E,S	1-1/2" NPS & under : ± 0.40 mm 2" NPS and over : ± 1.0%	N.A	At any point : - 12.5% (max)	±10%	40	12	35	10.67	22	6.71	-	-
ASTM	S	1/8" to 1-1/2" : ± 0.40 mm,	N.A	At any point : - 12.5% (max.)	Single Length of Pipe + 10%, - 3.5%	20	6	-	-	16	4.88	22	6.71
A106		> 1-1/2" TO 4" : ± 0.80 mm
		Above 4" to 8" : + 1.60 mm, - 0.80 mm				40	12	35	10.67	22	6.71	-	-
		Above 8" to 18" : + 2.40 mm, - 0.80 mm
API 5L	E, S	< 2 3/8"(60.3 mm) OD : + 0.40mm, - 0.80mm	<=6 5/8" (168.3 mm): + 1.60mm, - 0.40mm	Seamless : ,=4.0 mm WT: + 0.6 mm, - 0.5 m m > 4.0 mm WT to < 25.0 mm WT : + 0.15t, - 0.125t	Single Length of Pipe : + 10%, - 3.5%	20	6	17.5	5.33	9	2.74	22.5	6.86
		>=2 3/8" (60.3 mm) OD	> 6 5/8" (168.3 mm)		Carloads >= 20 Ton : - 1.75%
		to <=24" (610 mm) : ± 0.0075 D	to <= 24" (610 mm) : ± 0.005 D		Carloads >= 20 Ton : - 1.75%	40	12	35.0	10.67	14	4.27	45.0	13.72
		but max. of ± 3.20 mm for welded pipe	(but max. of ± 1.6 mm)	>=25.0 mm WT : + 3.7 or + 0.1t (whichever is greater) - 3.0 or 0.1t (whichever is greater) ERW <=5.0 mm WT : ± 0.5 mm > 5.0 mm WT to < 15.0 mm WT : ± 0.1t >=15.0 mm WT : ± 1.5 mm

Tolerance on Outside Diameter/Dimensions/Wall Thickness, Weight & Length of Pipe

Spec

Outside Dia.

Wall Thikness

Weight

Length

Pipe Body

Pipe End

Nominal

Avg.(mm)

Minimum

Maximum

mtr

IS : 1914 Pt-IV

+0,-1%

N.A.

+10%,-5%

N.A.

Tolrence - Upto 9mtr. +3, -0mm
Above 9mtr. +6,-0mm

IS: 2416 Pt-IV

±0.75%(±0.30 mm min.)

N.A.

+10%,-5%

N.A.

Tolrence - Upto 9mtr. +3, -0mm
Above 9mtr. +6,-0mm

IS :11714 Pt-III

As per Table

N.A.

+18%,-0

+10%,-0

Tolerance - Below 50 mm OD +3.2,-0mm
50mm OD & Above +4.8, -0mm

BS:3059 Pt-I

±0.75%(±0.30 mm min.)

N.A.

Upto3.25mm±10%
Over 3.25mm ±7.5%

N.A.

Tolerance - Upto 6mtr. +6, -0 mm
Above 6mtr 1.5mm will increase for every 3 mtr increase of length.(12mm max.)

BS:3059 Pt-II

±0.75%(±0.30 mm min.)

N.A.

±10%(excluding weld area)

N.A.

BS:6323 Pt-V

As per Table

N.A.

Less Than 3mm +10% 3mm & Above +8%

N.A.

Tolerance - Upto 0.5 mtr.+2,-0mm
0.5 to 2mtr. +3,-0mm ; 2 to 5mtr, +5,-0mm;
5 to 7 mtr. +10, -0mm ; Above 7mtr.as agreed

ASTM- A178 &A214

±0.15to ±0.38mm

N.A.

+18%,-0

+10%,-0

Tolerance- Under 50.8mm OD +3,-0mm
50.8 & above +5, -0mm

ASTM- A333 & A334

±0.15 to ±0.38mm

N.A.

+18%,-0

+10%,-0

4.88

671

10.67

6.71