Cold Drawn Seamless Tubes (Mechanical and Hydraulic)

Used in applications requiring high strength. Cold Drawn Seamless tubing (also known as CDS). Cold Drawn Seamless tubes offer tight tolerances compared to Hot Finished Seamless tube, and offers stronger physical properties compared to other mechanical tubing. CDS is popular in the hydraulics, being used to make hollowed chrome plated telescopic cylinders and hydraulic rods. It is also popular for large bore, heavy walled, high pressure hydraulic cylinders. Cold Drawn Seamless tubes also find uses in heavy equipment manufacturing such as cranes and garbage trucks.

CFS – cold drawn seamless tube – Mechanical

CFS – cold drawn seamless tube – Hydraulic

HFS – Hot Finished Seamless Mechanical Steel Tubes (E355). Sizes 50.8mm – 193.7mm | 203.2mm – 660mm

Cold Drawn Seamless Tube – Mechanical – BS 6323 Part 4 : 1982 CFS 3
BS 6323 Part 4 : 1982 Bright-as-Drawn – CFS 3 BK Annealed – CFS 3 GBK
Wall 0.71 0.81 0.91 1.22 1.42 1.63 2.03 2.34 2.64 2.95 3.25 4.06 4.76 4.88 6.35 7.94 9.53 12.70
O.D.
4.76
6.35 X X X
7.94 X X X X
9.53 X X X X X X X
11.11 X X X X X
12.70 X X X X X X X
14.29 X X X X X X X X
15.88 X X X X X X X X X
17.46 X X X X
19.05 X X X X X X X X X
20.64 X X X
22.22 X X X X X X X X X X
25.40 X X X X X X X X X X X
26.99 X X X X X
28.58 X X X X X X X X X
30.16 X X X
31.75 X X X X X X X X X
33.34 X X
34.93 X X X X X X X X X X
38.10 X X X X X X X X X
39.69 X X
41.28 X X X X X X X X X
42.86 X X
44.45 X X X X X X X X X
47.63 X X X X X X
50.80 X X X X X X X X X X
53.98 X X X X X
57.15 X X X X X X X
60.33 X X X X X X X
63.50 X X X X X X X X
66.68 X X X
69.85 X X X X X X X
73.02 X
76.20 X X X X X X X X X
79.38 X
82.55 X X X X X
88.90 X X X X
95.25 X X
101.60 X X
107.95 X X
114.30 X X
127.00 X X
Cold Drawn Seamless Tube – Mechanical
Cold Drawn Seamless tube for Hydraulic & Pneumatic Lines – BS 3602 Part 1 CFS Cat 2 Alternatively Din 2391 ST 35.4 NBK
BS 3602 Part 1 CFS Cat 2 Alternatively Din 2391 ST 35.4 NBK
Wall 0.91 1.00 1.22 1.42 1.50 1.63 2.00 2.03 2.50 2.64 2.95 3.00 3.25 3.66 4.00 4.06 4.88 5.00 6.00
O.D.
6.00 X X X
6.35 X X X
7.94 X X X
8.00 X X X
9.52 X X X X X
10.00 X X X
12.00 X X X X X
12.70 X X X X X
13.50 X
14.00 X X X X
15.00 X X X X X
15.88 X X X X X X
16.00 X X X X
17.46 X
18.00 X X X
19.05 X X X X X
20.00 X X X X X
21.43 X X
22.00 X X X X
22.22 X X X X X
25.00 X X X X X
25.40 X X X X X
26.99 X
28.00 x x x X
30.00 X X X X X
31.75 X X X X X
34.13 X
34.93 X
35.00 X X X X
38.00 X X X X X
38.10 X X X
42.00 X X
44.45 X X
48.42 X
50.00 X
50.80 X X X X X
Cold Drawn Seamless tube for Hydraulic & Pneumatic Lines
Hot Finished Seamless Mechanical Steel Tube. 50.8mm – 193.7mm
Hot Finished Seamless Mechanical Steel Tube EN 10297-1
O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm
50.8 4.0 76.1 4.5 95.2 6.3 120.6 8.0 146.0 9.5 168.3 4.5
50.8 6.3 76.1 5.6 95.2 9.5 120.6 9.5 146.0 12.5 168.3 5.0
50.8 8.0 76.1 6.3 95.2 12.5 120.6 12.5 168.3 5.6
50.8 9.5 76.1 8.0 95.2 16.0 120.6 19.0 152.4 6.3 168.3 6.3
50.8 12.5 76.1 9.5 95.2 19.0 120.6 25.4 152.4 9.5 168.3 8.0
76.1 12.5 120.6 32.0 152.4 11.1 168.3 9.5
57.1 4.0 76.1 16.0 101.6 4.0 152.4 12.5 168.3 12.5
57.1 6.3 76.1 19.0 101.6 5.0 127.0 5.0 152.4 16.0 168.3 16.0
57.1 9.5 101.6 6.3 127.0 6.3 152.4 19.0 168.3 25.0
57.1 12.5 82.5 6.3 101.6 8.0 127.0 9.5 152.4 25.0 168.3 30.0
82.5 9.5 101.6 9.5 127.0 12.5 152.4 31.8 168.3 35.0
60.3 4.5 82.5 12.5 101.6 12.5 127.0 16.0 152.4 35.0 168.3 40.0
60.3 5.0 82.5 16.0 101.6 16.0 127.0 19.0 152.4 40.0 168.3 50.0
60.3 6.3 82.5 19.0 101.6 19.0 127.0 25.0 152.4 45.0
60.3 8.0 101.6 25.0 177.8 6.3
60.3 9.5 88.9 4.0 133.0 6.3 159.0 9.5 177.8 9.5
60.3 12.5 88.9 4.5 108.0 6.3 133.0 9.5 159.0 12.5 177.8 12.5
88.9 5.0 108.0 9.5 133.0 12.5 159.0 19.0 177.8 19.0
63.5 6.3 88.9 5.6 108.0 12.5 133.0 19.0 159.0 25.0 177.8 25.0
63.5 8.0 88.9 6.3 108.0 16.0 133.0 25.0 159.0 30.0 177.8 34.9
63.5 9.5 88.9 8.0 108.0 19.0 159.0 35.0 177.8 40.0
63.5 12.5 88.9 9.5 139.7 5.6 159.0 40.0 177.8 50.0
63.5 16.0 88.9 12.5 114.3 4.5 139.7 6.3 159.0 50.0
88.9 16.0 114.3 5.6 139.7 8.0 193.7 5.6
69.9 6.3 88.9 19.0 114.3 6.3 139.7. 9.5 165.1 6.3 193.7 6.3
69.9 9.5 114.3 8.0 139.7 12.5 165.1 31.8 193.7 8.0
69.9 12.5 114.3 9.5 139.7 19.0 165. 1 38.1 193.7 9.5
69.9 16.0 114.3 12.5 139.7 25.0 193.7 12.5
114.3 16.0 139.7 30.0 193.7 16.0
114.3 19.0 1397 35.0 193.7 19.0
114.3 25.4 139.7 40.0 193.7 25.0
193.7 30.0
193.7 35.0
193.7 40.0
193.7 50.0
Hot Finished Seamless Mechanical Steel Tube. 203.2mm – 660mm
Hot Finished Seamless Mechanical Steel Tube EN 10297-1
O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm O.D. mm Wall Thickness mm
203.2 6.3 260.0 60.0 311.0 12.5 368.3 30.0 431.8 76.2 546.0 30.0
203.2 9.5 260.0 70.0 311.0 25.0 368.3 35.0 445.0 20.0 546.0 40.0
203.2 12.5 260.0 80.0 311.0 38.1 368.3 40.0 445.0 25.0 546.0 50.0
203.2 19.0 260.0 90.0 311.0 50.8 368.3 45.0 445.0 30.0 546.0 60.0
203.2 25.0 311.0 57.2 368.3 50.0 445.0 35.0
203.2 38.1 273.0 6.3 368.3 60.0 445.0 40.0 550.0 80.0
203.2 50.8 273.0 7.1 323.9 6.3 368.3 65.0 445.0 55.0
273.0 9.5 323.9 7.1 368.3 80.0 445.0 60.0 558.8 20.0
219.1 5.0 273.0 12.7 323.9 9.5 445.0 65.0 558.8 25.0
219.1 6.3 273.0 16.0 323.9 12.7 381.0 12.5 445.0 70.0 558.8 35.0
219.1 7.0 273.0 19.0 323.9 14.2 381.0 20.0 558.8 40.0
219.1 9.5 273.0 25.0 323.9 19.0 381.0 25.0 457.2 558.8 45.0
219.1 12.5 273.0 34.9 323.9 25.0 381.0 38.1 457.2 12.7 558.8 50.0
219.1 19.0 273.0 41.2 323.9 28.6 381.0 50.0 457.2 19.1 558.8 60.0
219.1 25.0 273.0 50.0 323.9 31.8 381.0 63.5 457.2 25.0 558.8 70.0
219.1 35.0 273.0 60.0 323.9 35.0 381.0 76.2 457.2 35.0 558.8 85.0
219.1 40.0 273.0 85.0 323.9 41.2 457.2 40.0 558.8 110.0
219.1 45.0 323.9 47.6 394.0 28.0 457.2 50.0
219.1 50.0 279.4 20.0 323.9 50.0 394.0 30.0 457.2 60.0 572.0 25.0
219.1 60.0 279.4 25.0 323.9 55.5 394.0 35.0 457 .2 76.1 572.0 35.0
279.4 28.6 323.9 63.5 394 0 40.0 457.2 85.0 572.0 40.0
228.6 6.3 279.4 35.0 323.9 75.0 394.0 45.0 457.2 90.0 572.0 50.0
228.6 9.5 279.4 38.1 323.9 90.0 394.0 50.0 572.0 70.0
228.6 12.5 279.4 50.8 394.0 100.0 470.0 25.0 572.0 80.0
228.6 19.0 279.4 57.2 330.2 25.4 470.0 30.0 572.0 85.0
228.6 25.0 330.2 50.8 406.4 9.5 470.0 35.0
228.6 34.9 292.0 19.0 330.2 76.2 406.4 12.7 470.0 45.0 610.0 12.7
228.6 44.4 292.0 25.0 406.4 19.1 470.0 50.0 610.0 20.0
228.6 50.0 292.0 38.1 342.9 20.0 406.4 25.0 470.0 60.0 610.0 25.0
228.6 60.0 292.0 46.0 342.9 25.4 406.4 28.0 470.0 70.0 610.0 30.0
292.0 50.8 342.9 30.0 406.4 30.0 610.0 35.0
241.0 50.0 292.0 57.0 342.9 38. 1 406.4 36.0 495.0 30.0 610.0 40.0
241.0 60.0 342.9 45.0 406.4 40.0 495.0 35.0 610.0 45.0
241.0 70.0 298.5 9.5 342.9 50.0 406.4 50.0 495.0 40.0 610.0 50.0
241.0 80.0 298.5 12.5 342.9 63.5 406.4 55.0 495.0 45.0 610.0 60.0
298.5 14.2 342.9 90.0 406.4 60.0 495.0 50.0 610.0 70.0
244.5 5.9 298.5 16.0 406.4 70.0 495.0 55.0 610.0 80.0
244.5 7.1 298.5 20.0 355.6 9.0 406.4 76.2 495.0 75.0 610.0 85.0
244.5 9.5 298.5 25.0 355.6 12.7 406.4 80.0 610.0 95.0
244.5 12.5 298.5 30.0 355.6 16.0 406.4 88.9 508.0 9.5 610.0 100.0
244.5 16.0 298.5 35.0 355.6 19.1 406.4 90.0 508.0 12.5 610.0 110.0
244.5 19.0 298.5 40.0 355.6 25.0 406.4 100.0 508.0 20.0
244.5 25.0 298.5 45.0 355.6 28.6 508.0 25.0 622.0 25.0
244.5 33.4 298.5 50.0 355.6 31.8 419.1 20.0 508.0 35.0 622.0 30.0
244.5 35.0 298.5 55.0 355.6 38.1 419.1 25.0 508.0 40.0 622.0 35.0
244.5 38.0 298.5 75.0 355.6 44.4 419.1 30.0 508.0 50.0 622.0 40.0
244.5 40.0 298.5 90.0 355.6 50.0 419.1 35.0 508.0 60.0 622.0 45.0
244.5 50.0 355.6 63.5 419.1 40.0 508.0 70.0 622.0 50.0
244.5 75.0 304.8 7.1 355.6 70.0 419.1 45.0 508.0 80.0 622.0 60.0
304.8 9.5 355.6 76.2 419.1 50.0 508.0 110.0 622.0 85.0
254.0 6.3 304.8 12.5 355.6 80.0 419.1 55.0 622.0 95.0
254.0 9.5 304.8 19.0 355.6 100.0 419.1 60.0 521.0 20.0 622.0 100.0
254.0 12.5 304.8 25.0 419.1 70.0 521.0 25.0 622.0 110.0
254.0 19.0 304.8 38.1 368.3 10.0 419.1 90.0 521.0 30.0
254.0 25.0 304.8 50.8 368.3 16.0 419.1 100.0 521.0 50.0 660.0 40.0
254.0 38.1 304.8 55.0 368.3 17.5 521.0 60.0 660.0 70.0
254.0 50.8 304.8 63.5 368.3 20.0 431.8 12.7 521.0 70.0 660.0 80.0
254.0 55.0 304.8 80.0 368.3 25.0 431.8 25.0 521.0 75.0 660.0 100.0
254.0 60.0 431.8 38.1 521.0 80.0
431.8 44.4 521.0 90.0
431.8 50.8
431.8 63.5 546.0 20.0

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