Seamless Pipes

Seamless pipes are constructed without welds, ensuring a strong, leak-resistant conduit. They excel in critical applications, like transporting oil and gas, thanks to their durability and reliability.

Technical specification

carbon steel a106 grade

A106 Grade is a carbon steel pipe specification known for its high-temperature service capabilities, making it ideal for industrial applications.

1/2”NB to 32”NB

Alloy Steel

Alloy steel is a robust material with enhanced mechanical properties. It’s created by adding various elements to iron, making it versatile for demanding applications.

1/2”NB to 32”NB

Carbon steel tubes

Carbon steel tubes are versatile, durable, and cost-effective piping solutions. Their high carbon content enhances strength, making them ideal for various industries, including construction and manufacturing.

1/2”NB to 3”NB

ASTM Standard for seamless steel pipe

Executive Standard	Grade / Material	Product Name
ASTM A53	A, B	Black and Hot-Dipped Zinc-Coated Steel Pipes Welded and Seamless
ASTM A106	A, B	Seamless Carbon Steel for High Temperature Service
ASTM A179	Low Carbon Steel	Seamless Cold-Drawn Low-Carbon Steel Heat Exchanger and Condenser Tubes
ASTM A192	Low Carbon Steel	Seamless Carbon Steel Boiler Tubes for High Pressure
ASTM A210	A1, C	Seamless Medium-Carbon and Alloy Steel Boiler and Superheater Tubes
ASTM A213	T5, T11, T12, T22, TP 347H	Seamless Ferritic and Austenitic Alloy Steel Boiler, Superheater and Heat-Exchanger Tubes
ASTM A312	TP304/304L, TP316/316L	Seamless Steel Pipe for Stainless Materials
ASTM A333	Gr.6	Seamless and Welded Steel Pipe for Low-Temperature Service
ASTM A335	P9, P11, P22	Seamless Ferritic Alloy Steel Pipe for High-Temperature Service
ASTM A519	41,304,140	Seamless Carbon and Alloy Steel for Mechanical Tubing
ASTM A789		Seamless Ferritic/Austenitic Stainless Steel Tubing for General Service

API Standard for seamless steel pipe

Executive Standard	Grade / Material	Product Name
API Spec 5CT	J55, K55, N80, L80,C90, C95, T95, P110, M65	Spectification for Casing and Tubing
API Spec 5L PSL1 / PSL2	A,B X42, X46, X52, X56, X60, X65,. X70	Specification for Line Pipe

DIN / EN Standard for seamless steel pipe

Executive Standard	Grade / Material	Product Name
DN 17175/EN10216-2	ST35, ST45, ST52, 13CrMo44	Seamless Steel Tube for Elevated Temperature
DIN 2391/EN10305-1	St35, St45, St52	Cold Drawn Seamless Precision Pipe
DIN 1629/EN10216-1	St37, St45, St52	Seamless Circular unalloyed Steel Tubes Subject to Special Requirments


DIMENSIONS, WEIGHT AND END FINISH
Outside Diameter		Nom. Wt lb/ft	Wall thickness		Type of End Finish						Coupling OD	Thread Type
Outside Diameter			Inch	mm	Grade							TPI
					H - 40	J - 55 K-55	M -65	L -80 C-95	N -80 Type I,Q	P - 110		STC ITC
Inch	mm				H - 40	J - 55 K-55	M -65	L -80 C-95	N -80 Type I,Q	P - 110	mm	STC ITC	BTC
6 5/8	168.28	20	0.288	7.32	PS	PSLB	PSLB				187.71	8	5
6 5/8	168.28	24	0.352	8.94		PSLB	PLB	PLB	PLB	PLB	187.71	8	5
6 5/8	168.28	28	0.417	10.59			PLB	PLB	pcB	PLB	187.71	8	5
6 5/8	168.28	32	0.475	12.06				PCB	PLB	PLB	187.71	8	5
7	177.8	20	0.272	6.91	PS	ps	pS				194.46	8
7	177.8	23	0.317	8.05		PSLB	PLB	PLB	PLB	PLB	194.46	8	5
7	177.8	26	0.362	9.19		PSLB	PLB	PLB	PLB	PLB	194.46	8	5
7	177.8	29	0.408	10.36			PLB	PLB	PLB	PLB	194.46	8	5
7	177.8	32	0.453	11.51			PLB	PLB	PLB	PLB	194.46	8	5
7	177.8	35	0.498	12.65				PLB	PLB	PLB	194.46	8	5
7	177.8	38	0.54	13.72				PLB	PLB	PLB	194.46	8	5
7 5/8	193.68	24	0.3	7.62	PS						215.9	8
7 5/8	193.68	26.4	0.328	8.33		PSLB	PSLB	PLB	PLB		215.9	8	5
7 5/8	193.68	29.7	0.375	9.52			PLB	PLB	PLB	PLB	215.9	8	5
7 5/8	193.68	33.7	0.43	10.92			PIB	PLB	PLB	PLB	215.9	8	5
7 5/8	193.68	39	0.5	12.7				PCB	PLB	PLB	215.9	8	5
7 5/8	193.68	42.8	0.562	14.27				PLB	PLB	PCB	215.9	8	5
7 5/8	193.68	45.3	0.595	15.11				PLB	PLB	PLB	215.9	8	5
7 5/8	193.68	47	0.625	15.88				PLB	PLB	PLB	215.9	8	5
7 3/4	196.85	46.1	0.595	15.11				P	P	P
8 5/8	219.08	24	0.264	6.71		ps	ps				244.48	8
8 5/8	219.08	28	0.304	7.72	PS		ps				244.48	8
8 5/8	219.08	32	0.352	8.94	PS	PSLB	PSLB				244.48	8	5
8 5/8	219.08	36	0.4	10.16		PSLB	PSLB	PCB	PCB		244.48	8	5
8 5/8	219.08	40	0.45	11.43			PLB	PLB	PLB	PCB	244.48	8	5
8 5/8	219.08	44	0.5	12.7				PLB	PLB	PCB	244.48	8	5
8 5/8	219.08	49	0.557	14.15				PLB	pcB	PLB	244.48	8	5
9 5/8	244.48	32.3	0.312	7.92	PS						269.88	8
9 5/8	244.48	36	0.352	8.94	PS	PSLB	PSLB				269.88	8	5
9 5/8	244.48	40	0.395	10.03		PSLB	PSLB	PLB	PLB		269.88	8	9
9 5/8	244.48	43.5	0.435	11.05			PLB	PLB	PLB	PLB	269.88	8	5
9 5/8	244.48	47	0.472	11.99			PLB	PLB	PLB	PLB	269.88	8	5
9 5/8	244.48	53.5	0.545	13.84				PLB	PLB	PCB	269.88	8	5
9 5/8	244.48	58.4	0.595	15.11				PLB	PLB	PLB	269.88	8
10 314	273.05	32.75	0.279	7.09	PS						298.45	8
10 3/4	273.05	40.5	0.35	8.89	PS	PSB	PSB				298.45	8	5
10 3/4	273.05	45.5	0.4	10.16		PSB	PSB				298.45	8	5
10 3/4	273.05	51	0.45	11.43		PSB	PSB	PSB	PSB	PSB	298.45	8	5
10 3/4	273.05	55.5	0.495	12.57			PSB	PSB	PSB	PSB	298.45	8	5
10 3/4	273.05	60.7	0.545	13.84						PSB	298.45	8	5
10 3/4	273.05	65.7	0.595	15.11						PSB	298.45	8	5
11 3/4	298.45	42	0.333	8.46	PS						323.85	8
11 3/4	298.45	47	0.375	9.53		PSB	PSB				323.85	8	5
11 3/4	298.45	54	0.435	11.05		PSB	PSB				323.85	8	5
11 3/4	298.45	60	0.489	12.42		PSB	PSB	PSB	PSB	PSB	323.85	8	5
11 3/4	298.45	65	0.534	13.56				P	P	P
11 3/4	298.45	71	0.582	14.78				P	P	P
13 3/8	339.72	48	0.33	8.38	PS						365.12	8
13 3/8	339.72	54,50	0.38	9.65		PSB	PSB				365.12	8	5
13 3/8	339.72	61	0.43	10.92		PSB	PSB				365.12	8	5
13 3/8	339.72	68	0.48	12.19		PSB	PSB	PSB	PSB	PSB	365.12	8	5

Dimension & Weight


Nominal Pipe Size		Schedule Wall Thickness / Weight
Nominal Pipe Size		OD (mm)	Sch 20	Sch 30	STD	Sch 40	xs	Sch 60	Sch 80	Sch 100	Sch 120	Sch 140	Sch 160	YUS
(mm	inch)	OD (mm)	Sch 20	Sch 30	STD	Sch 40	xs	Sch 60	Sch 80	Sch 100	Sch 120	Sch 140	Sch 160	YUS
150		168.3			7.11	7.11	10.97		10.97		14.27		18.26	21
	6				28.26	28.26	42.56		42.56		54.2		67.56	79.22
200		219.1	6.35	7.04	8.18	8.13	12.7	10.31	12.7	15.09	18.26	20.62	23.01	22.23
	8		33.31	36.81	42.55	42.55	6464	53.08	64.64	75.92	90.44	100.92	111.27	107.92
250		273	6.35	7.8	9.27	9.27	12.7	12.7	15.09	18.26	21.44	25.4	28.58	25.4
	10		41.77	51.03	60.31	60.31	81.55	81.55	96.01	114.75	133.06	155.15	172.33	155.15
300		323.8		8.38	9.53	10.31	12.7	14.27	17.48	21.44	25.4	28.58	33.32	25.4
	12			65.2	73.88	79.73	9746	108.96	132.08	159.91	186.97	208.14	238.76	186.97
350		355.6		9.53	9.53	11.13	12.7	15.09	19.05	23.83	27.79	31.75	35.71
	14			81.33	81.33	94.55	107.39	126.71	158.1	194.96	224.65	253.56	281.7

Outside Diameter		Plain End Weights		Wall Thickness
Inch	mm	lb/ft	kg/m	Inch	mm
6 5/8	168.3	17.04	25.55	0.25	6.4
6 5/8	168.3	18.99	28.22	0.28	7.1
6 5/8	168.3	21.06	31.25	0.312	7.9
6 5/8	168.3	23.1	34.24	0.344	8.7
6 5/8	168.3	25.05	37.2	0.375	9.5
6 5/8	168.3	28.6	42.67	0.432	11
6 5/8	168.3	32.74	48.73	0.5	12.7
6 5/8	168.3	36.43	54.31	0.562	14.3
6 5/8	168.3	40.09	59.76	0.625	15.9
6 5/8	168.3	45.39	67.69	0.719	18.3
6 5/8	168.3	47.1	70.27	0.75	19.1
6 5/8	168.3	53.21	79.06	0.864	21.9
6 5/8	168.3	53.78	79.98	0.875	22.2
8 5/8	219.1	22.38	33.57	0.25	640
8 5/8	219.1	24.72	36.61	0.277	7
8 5/8	219.1	27.73	41.14	0.312	790
8 5/8	219.1	28.58	42.65	0.322	8.2
8 5/8	219.1	30.45	45.14	0.344	8.7
8 5/8	219.1	33.07	49.1	0.375	9.5
8 5/8	219.1	38.33	56.94	438	11.1
8 5/8	219.1	43.43	64.64	0.5	12.7
8 5/8	219.1	48.44	72.22	0.562	14.3
8 5/8	219.1	53.45	79.67	0.625	15.9
8 5/8	219.1	60.77	90.62	0.719	18.3
8 5/8	219.1	63.14	94.2	0.75	19.1
8 5/8	219.1	67.82	100.84	0.812	20.6
8 5/8	219.1	72.49	107.79	0.875	22.2
8 5/8	219.1	81.51	121.33	1	2540
10 3/4	273.1	28.06	42.09	0.25	6.4
10 3/4	273.1	31.23	46.57	0.279	7.1
10 3/4	273.1	34.27	51.03	0.307	7.8
10 3/4	273.1	38.27	56.72	0.344	8.7
10 3/4	273.1	40.52	60.5	0.365	9.3
10 3/4	273.1	48.28	71.72	0.438	11.1
10 3/4	273.1	54.79	81.55	0.5	12.7
10 3/4	273.1	61.21	91.26	0.562	14.3
10 3/4	273.1	67.65	100.85	0.625	15.9
10 3/4	273.1	77.1	114.99	0.719	18.3
10 3/4	273.1	86.26	128.27	0.812	20.6
10 3/4	273.1	92.37	137.36	0.875	22.2
10 3/4	273.1	98.39	146.32	0.938	23.8
10 3/4	273.1	104.23	155.15	1	25.4
12 3/4	323.9	43.81	65.35	0.33	8.4
12 3/4	323.9	45.62	67.62	0.344	8.7
12 3/4	323.9	49.61	73.65	0.375	9.5
12 3/4	323.9	53.57	79.65	0.406	10.3
12 3/4	323.9	57.65	85.62	0.438	11.1
12 3/4	323.9	65.48	97.46	0.5	12.7
12 3/4	323.9	73.22	109.18	0.562	14.3
12 3/4	323.9	81.01	120.76	0.625	15.9
12 3/4	323.9	88.71	132.23	0.688	17.5
12 3/4	323.9	96.21	143.56	0.75	19.1
12 3/4	323.9	103.63	154.08	0.812	20.6
12 3/4	323.9	111.08	165.17	0.875	22.2
12 3/4	323.9	118.44	176.13	0.938	23.8
12 3/4	323.9	125.61	186.97	1	25.4
12 3/4	323.9	132.69	197.68	1.062	27
12 3/4	323.9	139.81	208.27	1.125	28.6
12 3/4	323.9	153.67	229.06	1.25	31.8
14	355.6	50.22	74.42	0.344	8.7
14	355.6	54.62	81.08	0.375	9.5
14	355.6	59	87.71	0.406	10.3
14	355.6	63.5	94.3	0.438	11.1
14	355.6	67.84	100.86	0.469	11.9
14	355.6	72.16	107.39	0.5	12.7
14	355.6	80.73	120.36	0.562	14.3
14	355.6	89.36	133.19	0.625	15.9
14	355.6	97.91	145.91	0.688	17.5
14	355.6	106.23	158.49	0.75	19.1
14	355.6	114.48	170.18	0.812	20.6
14	355.6	122.77	182.52	0.875	22.2
14	355.6	130.98	194.74	0.938	23.8
14	355.6	138.97	206.83	1	25.4
14	355.6	146.88	218.79	1.062	27
14	355.6	154.84	230.63	1.125	28.6
14	355.6	170.37	253.92	1.25	31.8

OD MM			THICKNESS IN MM
ODMM	1	1.5	2	2.5	3	3.5	4	5
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