Structural Seamless Tube

Used for wide-ranging applications in the construction, manufacturing, oil and gas, petrochemical, and other industries, structural seamless tubes are known for superior strength, precision, and durability. Steel Plate & Sections offers high-quality seamless steel tubes in different grades, and that meet tough industry standards.

Choose SPS for tubes that ensure performance and reliability in the most demanding environments.

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Size (mm)	Mass per metre (kg)	Size (mm)	Mass per metre (kg)
48.3 x 5.08	5.41	323.8 x 10.31	79.71
48.3 x 7.14	7.25	323.8 x 12.70	97.44
48.3 x 10.16	9.55	323.8 x 14.27	109.15
60.3 x 3.91	5.44	323.8 x 16.00	121.45
60.3 x 5.54	7.43	323.8 x 17.48	132.05
60.3 x 8.74	11.11	323.8 x 19.05	143.17
60.3 x 11.07	13.47	323.8 x 25.40	186.92
88.9 x 5.49	11.31	323.8 x 31.75	228.68
88.9 x 7.62	15.27	323.8 x 33.34	238.82
88.9 x 11.13	21.35	323.8 x 38.10	268.45
88.9 x 15.24	27.68	355.6 x 9.52	81.25
114.3 x 6.02	16.08	355.6 x 10.31	87.79
114.3 x 8.56	22.32	355.6 x 12.70	107.4
114.3 x 11.10	28.25	355.6 x 15.90	133.2
114.3 x 13.49	33.54	355.6 x 19.05	158.11
114.3 x 17.12	41.03	355.6 x 25.40	206.84
114.3 x 25.40	55.69	355.6 x 31.75	253.58
141.3 x 6.60	21.93	355.6 x 35.72	281.79
141.3 x 8.70	28.45	355.6 x 50.80	381.86
141.3 x 9.52	30.94	406.4 x 12.70	123.31
141.3 x 12.70	40.28	406.4 x 14.27	138.00
141.3 x 15.88	49.12	406.4 x 15.90	153.12
141.3 x 19.05	57.43	406.4 x 19.05	181.98
141.3 x 25.40	72.60	406.4 x 20.60	196.00
168.3 x 7.11	28.26	406.4 x 25.40	238.66
168.3 x 9.52	37.28	406.4 x 31.75	293.35
168.3 x 10.97	42.56	406.4 x 38.10	346.06
168.3 x 12.70	48.73	406.4 x 50.80	445.50
168.3 x 14.27	54.31	457.2 x 9.52	105.11
168.3 x 16.00	60.10	457.2 x 12.70	139.22
168.3 x 17.50	65.08	457.2 x 16.00	174.09
168.3 x 18.30	67.7	457.2 x 19.05	205.84
168.3 x 21.95	79.22	457.2 x 25.40	270.48
168.3 x 25.40	89.51	457.2 x 31.80	333.13
193.7 x 8.00	36.64	457.2 x 38.10	393.79
193.7 x 10.00	45.3	457.2 x 45.24	459.62
193.7 x 12.70	56.7	457.2 x 50.80	509.14
193.7 x 16.00	70.12	508 x 12.70	155.13
219.1 x 8.18	42.55	508 x 15.90	192.96
219.1 x 10.31	53.09	508 x 19.05	229.71
219.1 x 12.70	64.65	508 x 25.40	302.30
219.1 x 15.90	79.68	508 x 31.80	373.45
219.1 x 19.05	93.99	508 x 38.10	441.52
219.1 x 23.01	111.27	508 x 50.80	572.78
219.1 x 25.40	121.33	559 x 12.70	171.10
219.1 x 31.75	146.7	559 x 15.90	212.96
244.5 x 8.00	46.66	559 x 19.05	253.67
244.5 x 10.00	57.83	559 x 25.40	334.25
244.5 x 12.70	72.6	559 x 31.75	412.84
244.5 x 16.00	90.16	559 x 38.10	489.44
244.5 x 19.05	105.92	559 x 50.80	636.68
244.5 x 25.40	137.25	610 x 12.70	187.08
273 x 9.27	60.29	610 x 15.90	232.63
273 x 12.70	81.53	610 x 19.05	277.65
273 x 15.90	100.81	610 x 20.60	299.43
273 x 19.05	119.31	610 x 25.40	366.20
273 x 25.40	155.1	610 x 31.80	452.77
273 x 28.58	172.27	610 x 38.10	537.36
273 x 31.75	188.9	610 x 50.80	700.57
273 x 40.00	229.85	660 x 25.40	397.49
323.8 x 9.52	73.79	660 x 31.80	492.66

Size (mm)

Mass per metre (kg)

Size (mm)

Mass per metre (kg)

48.3 x 5.08

5.41

323.8 x 10.31

79.71

48.3 x 7.14

7.25

323.8 x 12.70

97.44

48.3 x 10.16

9.55

323.8 x 14.27

109.15

60.3 x 3.91

5.44

323.8 x 16.00

121.45

60.3 x 5.54

7.43

323.8 x 17.48

132.05

60.3 x 8.74

11.11

323.8 x 19.05

143.17

60.3 x 11.07

13.47

323.8 x 25.40

186.92

88.9 x 5.49

11.31

323.8 x 31.75

228.68

88.9 x 7.62

15.27

323.8 x 33.34

238.82

88.9 x 11.13

21.35

323.8 x 38.10

268.45

88.9 x 15.24

27.68

355.6 x 9.52

81.25

114.3 x 6.02

16.08

355.6 x 10.31

87.79

114.3 x 8.56

22.32

355.6 x 12.70

107.4

114.3 x 11.10

28.25

355.6 x 15.90

133.2

114.3 x 13.49

33.54

355.6 x 19.05

158.11

114.3 x 17.12

41.03

355.6 x 25.40

206.84

114.3 x 25.40

55.69

355.6 x 31.75

253.58

141.3 x 6.60

21.93

355.6 x 35.72

281.79

141.3 x 8.70

28.45

355.6 x 50.80

381.86

141.3 x 9.52

30.94

406.4 x 12.70

123.31

141.3 x 12.70

40.28

406.4 x 14.27

138.00

141.3 x 15.88

49.12

406.4 x 15.90

153.12

141.3 x 19.05

57.43

406.4 x 19.05

181.98

141.3 x 25.40

72.60

406.4 x 20.60

196.00

168.3 x 7.11

28.26

406.4 x 25.40

238.66

168.3 x 9.52

37.28

406.4 x 31.75

293.35

168.3 x 10.97

42.56

406.4 x 38.10

346.06

168.3 x 12.70

48.73

406.4 x 50.80

445.50

168.3 x 14.27

54.31

457.2 x 9.52

105.11

168.3 x 16.00

60.10

457.2 x 12.70

139.22

168.3 x 17.50

65.08

457.2 x 16.00

174.09

168.3 x 18.30

67.7

457.2 x 19.05

205.84

168.3 x 21.95

79.22

457.2 x 25.40

270.48

168.3 x 25.40

89.51

457.2 x 31.80

333.13

193.7 x 8.00

36.64

457.2 x 38.10

393.79

193.7 x 10.00

45.3

457.2 x 45.24

459.62

193.7 x 12.70

56.7

457.2 x 50.80

509.14

193.7 x 16.00

70.12

508 x 12.70

155.13

219.1 x 8.18

42.55

508 x 15.90

192.96

219.1 x 10.31

53.09

508 x 19.05

229.71

219.1 x 12.70

64.65

508 x 25.40

302.30

219.1 x 15.90

79.68

508 x 31.80

373.45

219.1 x 19.05

93.99

508 x 38.10

441.52

219.1 x 23.01

111.27

508 x 50.80

572.78

219.1 x 25.40

121.33

559 x 12.70

171.10

219.1 x 31.75

146.7

559 x 15.90

212.96

244.5 x 8.00

46.66

559 x 19.05

253.67

244.5 x 10.00

57.83

559 x 25.40

334.25

244.5 x 12.70

72.6

559 x 31.75

412.84

244.5 x 16.00

90.16

559 x 38.10

489.44

244.5 x 19.05

105.92

559 x 50.80

636.68

244.5 x 25.40

137.25

610 x 12.70

187.08

273 x 9.27

60.29

610 x 15.90

232.63

273 x 12.70

81.53

610 x 19.05

277.65

273 x 15.90

100.81

610 x 20.60

299.43

273 x 19.05

119.31

610 x 25.40

366.20

273 x 25.40

155.1

610 x 31.80

452.77

273 x 28.58

172.27

610 x 38.10

537.36

273 x 31.75

188.9

610 x 50.80

700.57

273 x 40.00

229.85

660 x 25.40

397.49

323.8 x 9.52

73.79

660 x 31.80

492.66

What are the key features of structural seamless tubes?

Key features including high strength and load-bearing capacity, precision manufacturing and uniformity, and corrosion resistance and durability make structural seamless steel tubes suitable for a diverse range of applications.

High strength & load-bearing capacity

Structural seamless tubes are renowned for their exceptional strength and ability to withstand high loads. Unlike tubes that are welded, these tubes have no weak points. This feature makes them ideal for structural applications that require enhanced load-bearing capabilities.

Precision manufacturing & uniformity

Our structural seamless tube dimensions are known for their superior dimensional accuracy and uniformity due to the advanced processes used to manufacture them. This ensures a consistent cross section for improved performance and ease of use in construction, engineering, and other applications.

Corrosion resistance & durability

Seamless steel tubes are manufactured from steel with good corrosion resistance and can be treated with protective coatings to increase this property and enhance their longevity in harsh environments. This makes steel tubes suitable for industrial and outdoor applications where they will be exposed to chemicals and/or moisture.

Compliance & standards

You are assured of quality, safety, and reliability when you choose steel tubes from SPS. We ensure that all our structural seamless tubes comply with strict international quality and safety standards such as:

ASTM A53: This specification is for seamless and welded steel tubes and pipes.

ASTM A106: A standard specification for seamless carbon steel tubes for applications that will expose them to high temperatures.

EN 10210: This standard includes hot-finished structural hollow sections of fine grain and non-alloy steels.

EN 10297: A standard for seamless steel tubes for general and mechanical engineering.

ISO 9001: This quality management system certification ensures consistency and reliability in products.

What are the applications of structural seamless tubes?

Given their versatility and other desirable properties, structural seamless tubes are used in an extensive range of industries and sectors. Some of these include:

Aerospace: Steel tubes are used for high-strength tubing in aircraft structures and components.

Automotive industry: Seamless tubes made from steel are used as chassis components, roll cages, and suspension systems in the automotive industry.

Construction: These steel tubes are used as components in bridges, structural frameworks, and support systems.

Engineering: Seamless steel tubes are used in hydraulic systems, machinery, and mechanical structures.

Oil & gas: These tubes play a vital role in the oil and gas industry where they’re used as components in drilling rigs, offshore platforms, and pipelines.

What are the different grades of structural seamless tubes?

You can choose from structural seamless tubes in various grades to suit different uses and applications at SPS. Some of the common grades include:

API 5L X52 PSL2

L360 PSL2

EN10225 S355NLHHO

EN10210 S355J2H & S355NLH

A333 Gr6

NORSOK MSD-Y22 Rev6

Some steel tubes are suitable for general structural and mechanical use, while others provide enhanced strength or corrosion resistance. These grades indicate various levels of strength, weldability, and other properties, enabling you to find the right steel tubes for your project.

Why choose SPS for structural seamless tubes?

For more than 55 years, SPS has been a trusted supplier of steel sections. Turn to us for structural seamless tubes and benefit from top-notch quality assurance and expert guidance. All our products undergo rigorous testing to ensure compliance with international standards.

Our experienced team is ready to offer professional support and help you choose the right products for your needs, and our efficient supply chain ensures on-time delivery across the UK. You can choose from a wide range of structural steel tube sizes, grades, and finishes, or you can place orders for seamless tubes customised to meet your needs.

Find structural seamless tubes at SPS

Structural seamless tubes are indispensable in industries where precision, strength, durability, and excellent corrosion resistance are essential. With strict compliance with global standards and a commitment to excellence, SPS is your go-to supplier for high-performance seamless steel tubes.

Contact our expert team today for more information or to discuss your specific requirements. Let us help you find the right components for the job.