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High-Performance Seamless Pipes for Industry

Seamless pipes

Seamless pipes are widely recognized for their superior strength, reliability, and ability to handle high-pressure, high-temperature, and corrosive applications. Manufactured without any welding seams, seamless pipes offer uniformity, consistent structure, and superior mechanical properties compared to welded alternatives. Moksh Tubes & Fittings LLP, we deliver high-quality seamless pipe solutions, designed to meet diverse industry specifications and stringent operational demands.

Specifications

Category	Details
Material	Stainless Steel, Duplex & Super Duplex Steel, Nickel Alloys, Inconel, Monel, Titanium, Zirconium, Tantalum, Aluminum, Cupro-Nickel, Copper & Brass, Carbon Steel, Alloy Steelre
Grades	As per ASTM/ASME standards – available in all mentioned alloys
Outer Diameter (OD)	3 mm to 610 mm / ¼” to 24” NB
Wall Thickness	Available in all standard and custom schedules
Lengths	Up to 6 meters or customized as per project requirements
Finishes	Mill Finish, Electro Polished, Mechanical Polished, Matt Finish, Pickled & Passivated
Type	ERW, EFW, LSAW, DSAW, SSAW, HSAW
Form	Round, Rectangular, Square, Hydraulic, Hollow Section, Oval

Charts

Weight Chart

Nominal Bore Chart		Outside Diameter (O.D) (mm)	Schedule 5S		Schedule 10S		Schedule 40S		Schedule 80S		Schedule 160S		Schedule XXS
mm	inches		Wt	Weight	Wt	Weight	Wt	Weight	Wt	Weight	Wt	Weight	Wt	Weight
3	1/8	10.3	1.24	0.276	1.24	0.28	1.73	0.37	2.41	0.47	—	—	—	—
6	1/4	13.7	1.24	0.390	1.65	0.49	2.24	0.631	3.02	0.80	—	—	—	—
10	3/8	17.1	1.24	00.490	1.63	0.49	2.31	00.845	3.02	1.10	—	—	—	—
15	1/2	21.3	1.65	00.800	2.11	1.00	2.77	1.27	3.75	1.62	4.75	1.94	7.47	2.55
20	3/4	26.7	1.65	1.03	2.11	1.28	2.87	1.68	3.91	2.20	5.54	2.89	7.82	3.63
25	1	33.4	1.65	1.30	2.77	2.09	3.38	2.50	4.55	3.24	6.35	4.24	9.09	5.45
32	11.4	42.2	1.65	1.65	2.77	2.70	3.56	3.38	4.85	4.47	6.35	5.61	9.70	7.77
40	1 1/2	48.3	1.65	1.91	2.77	3.11	3.68	4.05	5.08	5.41	7.14	7.25	10.16	9.54
50	2	60.3	1.65	2.40	2.77	3.93	3.91	5.44	5.54	7.48	8.74	11.1	11.07	13.44
65	2 1/2	73.00	2.11	3.69	3.05	5.26	5.16	8.63	7.01	11.4	9.53	14.9	14.2	20.39
80	3	88.9	2.11	4.51	3.05	6.45	5.49	11.30	7.62	15.2	11.1	21.3	15.24	27.65
100	4	114.3	2.11	5.84	3.05	8.36	6.02	16.07	8.56	22.3	13.49	33.54	17.12	41.03
125	5	141.3	2.77	9.47	3.40	11.57	6.55	21.8	9.53	31.97	15.88	49.11	19.05	57.43
150	6	168.3	2.77	11.32	3.40	13.84	7.11	28.3	10.97	42.7	18.2	67.56	21.95	79.22
200	8	219.1	2.77	14.79	3.76	19.96	8.18	42.6	12.7	64.6	23.0	111.2	22.23	107.8
250	10	273.1	3.40	22.63	4.19	27.78	9.27	60.5	12.7	96.0	28.6	172.4	25.40	155.15
300	12	323.9	3.96	31.25	4.57	36.00	9.52	73.88	12.7	132.0	33.32	238.76	25.40	186.97

Size Charts

Schedule 5S – Size Chart (ASME B36.19)

NPS (inches)	NB (mm)	OD (mm)	Wall Thickness (mm)	Internal Diameter (mm)	Weight (kg/m)
1/8	3	10.3	1.65	7.0	0.37
1/4	6	13.7	1.65	10.4	0.52
3/8	10	17.1	1.65	13.8	1.65
1/2	15	21.3	1.65	18.0	0.84
3/4	20	26.7	2.11	22.5	1.33
1	25	33.4	2.11	29.2	1.7
1 1/4	32	42.2	2.11	38.0	2.15
1 1/2	40	48.3	2.11	44.0	2.51
2	50	60.3	2.11	56.1	3.16
2 1/2	65	73.0	2.77	67.5	4.89
3	80	88.9	2.77	83.4	6.02
3 1/2	90	101.6	2.77	96.1	2.77
4	100	114.3	2.77	108.8	7.73
5	125	141.3	3.40	134.5	11.9
6	150	168.3	3.40	161.5	14.3
8	200	219.1	3.40	212.3	18.3
10	250	273.1	4.78	263.5	29.4
12	300	323.9	4.78	314.3	40.7
14	350	355.6	5.54	344.5	47.5
16	400	406.4	5.54	395.3	53.4
18	450	457.2	5.54	446.1	63.5
20	500	508.0	7.11	493.8	78.7
22	550	558.8	7.11	544.6	87.7
24	600	609.6	7.11	595.4	109.4

Schedule 10S – Size Chart (ASME B36.19)

NPS (inches)	NB (mm)	OD (mm)	Wall Thickness (mm)	Internal Diameter (mm)	Weight (kg/m)
1/8	3	10.3	1.65	7.0	0.37
1/4	6	13.7	1.65	10.4	0.52
3/8	10	17.1	1.65	13.8	0.66
1/2	15	21.3	1.65	18.0	0.84
3/4	20	26.7	2.11	22.5	1.33
1	25	33.4	2.11	29.2	1.7
1 1/4	32	42.2	2.11	38.0	2.15
1 1/2	40	48.3	2.11	44.0	2.51
2	50	60.3	2.11	56.1	3.16
2 1/2	65	73.0	2.77	67.5	4.89
3	80	88.9	2.77	83.4	6.02
3 1/2	90	101.6	2.77	96.1	6.87
4	100	114.3	2.77	108.8	7.73
5	125	141.3	3.40	134.5	11.9
6	150	168.3	3.40	161.5	14.3
8	200	219.1	3.40	212.3	18.3
10	250	273.0	4.78	263.5	29.4
12	300	323.8	4.78	314.3	40.7
14	350	355.6	5.54	344.5	47.5
16	400	406.4	5.54	395.3	53.4
18	450	457.0	5.54	446.1	63.5
20	500	508.0	7.11	493.8	78.7
22	550	559.0	7.11	544.6	87.7
24	600	610.0	7.11	595.4	109.4

Schedule 40S – Size Chart (ASME B36.19)

NPS (inches)	NB (mm)	OD (mm)	Wall Thickness (mm)	Internal Diameter (mm)	Weight (kg/m)
1/8	3	10.3	2.77	4.76	0.72
1/4	6	13.7	2.77	8.16	1.06
3/8	10	17.1	2.77	11.56	1.39
1/2	15	21.3	3.38	14.54	1.69
3/4	20	26.7	3.38	20.0	2.45
1	25	33.4	3.38	26.64	3.35
1 1/4	32	42.2	3.56	35.08	4.54
1 1/2	40	48.3	3.68	40.94	5.35
2	50	60.3	3.68	52.48	7.41
2 1/2	65	73.0	3.91	65.18	9.84
3	80	88.9	4.55	79.8	13.1
3 1/2	90	101.6	4.55	92.5	15.2
4	100	114.3	6.02	102.26	19.1
5	125	141.3	6.02	129.3	25.5
6	150	168.3	6.55	155.2	31.7
8	200	219.1	8.18	202.74	46.4
10	250	273.0	9.27	254.46	65.8
12	300	323.8	9.53	305.0	82.6
14	350	355.6	10.97	333.7	96.8
16	400	406.4	12.7	381.0	120.3
18	450	457.0	12.7	434.8	135.6
20	500	508.0	15.09	477.8	171.7
22	550	559.0	15.09	528.2	191.6
24	600	609.6	15.88	579.4	213.2

Schedule 80S – Size Chart (ASME B36.19)

NPS (inches)	NB (mm)	OD (mm)	Wall Thickness (mm)	Internal Diameter (mm)	Weight (kg/m)
1/8	3	10.3	1.73	6.84	0.39
1/4	6	13.7	2.24	9.22	0.64
3/8	10	17.1	2.31	12.48	0.84
1/2	15	21.3	3.73	13.84	1.43
3/4	20	26.7	3.91	18.88	2.21
1	25	33.4	4.55	24.30	3.39
1 1/4	32	42.2	4.85	32.50	4.9
1 1/2	40	48.3	5.08	38.14	6.2
2	50	60.3	5.54	49.22	8.59
2 1/2	65	73.0	7.01	59.0	12.6
3	80	88.9	7.62	73.66	17.4
3 1/2	90	101.6	8.08	85.44	21.7
4	100	114.3	8.56	97.18	26.7
5	125	141.3	9.53	122.24	36.46
6	150	168.3	10.97	146.36	49.6
8	200	219.1	12.7	193.7	72.4
10	250	273.1	15.09	242.9	107.4
12	300	323.9	17.48	289.0	145.2
14	350	355.6	19.05	317.5	174.5
16	400	406.4	21.44	363.5	224.5
18	450	457.2	23.83	409.5	280.6
20	500	508.0	26.23	455.5	342.6
22	550	558.8	28.58	501.6	408.7
24	600	610.0	30.96	547.07	479.7

Schedule 160S – Size Chart (ASME B36.19)

NPS (inches)	NB (mm)	OD (mm)	Wall Thickness (mm)	Internal Diameter (mm)	Weight (kg/m)
1/8	3	10.3	2.41	5.48	0.53
1/4	6	13.7	3.02	7.66	0.89
3/8	10	17.1	3.20	10.70	1.13
1/2	15	21.3	4.78	11.74	1.80
3/4	20	26.7	5.56	15.58	3.06
1	25	33.4	6.35	20.70	4.70
1 1/4	32	42.2	6.35	29.50	6.40
1 1/2	40	48.3	7.14	34.02	8.40
2	50	60.3	8.74	42.82	12.80
2 1/2	65	73.0	9.53	53.94	17.40
3	80	88.9	11.13	66.64	25.00
3 1/2	90	101.6	12.70	76.20	32.60
4	100	114.3	13.49	87.32	40.30
5	125	141.3	15.88	109.54	60.20
6	150	168.3	18.26	131.78	84.90
8	200	219.1	23.01	173.08	133.60
10	250	273.0	28.58	215.84	198.20
12	300	323.9	33.32	257.16	267.40

Schedule XXS – Size Chart (ASME B36.19)

NPS (inches)	NB (mm)	OD (mm)	Wall Thickness (mm)	Internal Diameter (mm)	Weight (kg/m)
1/8	3	10.3	2.41	5.48	0.53
1/4	6	13.7	3.02	7.66	0.89
3/8	10	17.1	3.20	10.70	1.13
1/2	15	21.3	4.78	11.74	1.80
3/4	20	26.7	7.47	11.76	3.76
1	25	33.4	9.09	15.22	5.95
1 1/4	32	42.2	9.70	22.80	8.88
1 1/2	40	48.3	10.16	28.00	11.17
2	50	60.3	11.07	38.16	15.76
2 1/2	65	73.0	15.88	41.24	25.70
3	80	88.9	17.48	53.94	35.30
3 1/2	90	101.6	19.05	63.50	46.10
4	100	114.3	21.44	71.42	59.30
5	125	141.3	25.40	90.50	89.00
6	150	168.3	28.58	111.14	123.00
8	200	219.1	33.32	152.46	185.30
10	250	273.0	38.89	195.32	274.00
12	300	323.8	44.45	235.00	371.00

Grades Available

Welded pipes & tubes are available in a wide range of grades:

Material	Grades
Nickel Alloys	Hastelloy C276, C22, C4, B2, B3, C2000, G3, G30, Hastelloy X
	Inconel 600, 601, 625, 690, 718, X750
	Incoloy 800, 825, 925
	Monel 400, K500, R405
	Nickel 200, 201, A286 660
Titanium Alloys	Grade 1, 2, 4, 4 ELI, 5, 5 ELI, 23, 7, 7NB, 9, 12
Duplex / Super Duplex	2507, S32760, S31803, 2205
Austenitic Stainless Steel	304, 310, 316, 316Ti, 317, 321, 347, 309, Nitronic 50, Nitronic 60
High Strength Stainless Steel	17-4PH, 15-5PH, 14-4PH, 410, 420, 420HC, 430F, 416, 431, 440A, 440B, 440C, 422, 403, 405
Super Austenitic Stainless Steel	904L, SMO 254, SMO 654, AL-6XN, Alloy 926, 253-MA
Zirconium	702, 704, 705
Tantalum	R05200, R05252, R05255
Engineering Steels	EN8, EN9, EN19, EN24, EN31, EN36, EN47, D2, 1045, 1055, 4140, 4130, 4340, P1, P11, P12, P22
Carbon Steel	ASTM A106, A105, A36, A234 WPB, EN10210, IS2062
Aluminium Alloys	HE30, 6082-T6, 6061-T6, 5083, 7075, 2014-T6, 6063, 1100, 1200, 6012
Copper Alloys	CU-NI 70/30, 90/10, C44300, C46400, Aluminium Bronze, NAB, C71520, C71500
	C63000, Brass, Naval Brass, Beryllium Copper
Special Alloys	Tungsten, Carbide, Nitinol, Nimonic, Stellite, Tantalum
Haynes Superalloys	Haynes 188, 230, 160, 242

NICKLE ALLOYS

STAINLESS STEEL

DUPLEX & SUPER

TITANIUM ALLOYS

RARE TO ALLOYS

CARBON ALLOYS

Applications

Seamless pipes and tubes are integral to numerous industries where strength, durability, and resistance to extreme conditions are paramount:

Oil and Gas Industry

• Onshore and offshore pipeline systems
• High-pressure drilling, refining, and production processes
• Heat exchangers and separators

Power Generation

• High-pressure steam lines and boilers
• Heat recovery systems and condensers
• Nuclear power plant piping systems

Chemical and Petrochemical Industry

• Corrosive fluid and gas transfer lines
• Process reactors and distillation columns
• Pressure vessels and chemical separators

Construction and Infrastructure

• High-rise building structures
• Bridges, tunnels, and offshore platforms
• Water distribution and sewage systems

Automotive and Transport

• High-performance exhaust systems
• Hydraulic and fuel systems
• Safety roll cages and chassis structures

Food, Beverage, and Dairy Processing

• Sanitary process piping
• Sterile transfer lines and CIP systems
• Dairy, brewery, and beverage manufacturing lines

Marine and Shipbuilding

• Desalination plants
• Shipbuilding structural and piping systems
• Ballast and bilge systems

HVAC and Plumbing

Welded pipes and tubes provide reliable solutions for the HVAC and plumbing sectors, including:

• Heating, ventilation, and air conditioning systems
• Hot and cold water distribution networks
• High-pressure plumbing systems

Uses of Seamless Pipes

Seamless Pipes are used extensively across multiple industries, including:

Oil & Gas Industry

Transporting crude oil, natural gas, and refined products

Petrochemical & Chemical Plants

Handling corrosive fluids and gases

Power Generation

Boiler tubes, superheater tubes, and steam lines

Automotive & Mechanical Applications

Fuel injection systems

Construction & Infrastructure

Structural applications in bridges, buildings, and foundations

Pharmaceutical & Food Processing

Sanitary-grade stainless seamless pipes for clean transport of fluids

Advantages of Seamless Pipes & Tubes

Superior Strength

No welded seams eliminate weak points.

High Pressure & Temperature Handling

Perfect for extreme environments.

Enhanced Corrosion Resistance

Better performance in aggressive media.

Dimensional Accuracy

Uniform thickness and roundness.

Reliable Performance

Smooth internal surface ensures better fluid flow.

WHY CHOOSE US?

Ready Stock Available – Over 200 tons of seamless pipes and tubes in-house

Certified Quality – ISO 9001:2015, ASTM, ASME, and API standards

Practical Pricing – Premium quality that doesn’t break your budget

On-Time Delivery – We understand project schedules and stick to them

Real Support – Our technical team is always just a call away

Global Reach – We find even the rarest sizes and grades