Cold rolled precision tubing is engineered for tight-tolerance, clean-surfaced applications where the tube is formed, bent or plated downstream rather than simply installed.

The range covers cold-rolled light-wall round tube (0.60 mm to 2.00 mm), precision ERW round tube for heavier mechanical duty (0.80 mm to 3.20 mm), and specialized oval and elliptical profiles. The surface is finished to take chrome plating directly, and the steel chemistry is selected so it bends and draws without splitting at the weld.

Round tube complies with BS 1717:1983, BS EN 10305-3:2010, EN 10296-1:2003 and ASTM A513. Oval and elliptical sections are manufactured to the mill's own standard. The works is certified to ISO 9001, ISO 14001 and ISO 45001 and CE marked, and every bundle carries a guaranteed tube count.

Applications

  • Automotive and motorcycle components
  • Bicycle frames and fittings
  • Transformer manufacture
  • Fans, furniture and tent frames
  • Chrome-plated and formed parts

Sectors supplied

  • Automotive
  • Furniture manufacture
  • Appliance manufacture
  • Fabrication

Specifications

Sizes and weights

Figures as published in our catalogue. Tolerances are held to the standard named on each table.

CR round tube — weight by wall thickness

BS 1717:1983, BS EN 10305-3:2010 & EN 10296-1:2003 (formerly BS 6323-5:1982)

CR round tube — weight by wall thickness — BS 1717:1983, BS EN 10305-3:2010 & EN 10296-1:2003 (formerly BS 6323-5:1982)
OD mm Per bundle Wall thickness (mm)
0.6 0.7 0.9 1.0 1.2 1.6 2.0
9.00 394 0.124 0.143 0.180 — 0.231 — —
10.00 351 0.140 0.161 0.202 — 0.260 — —
12.70 271 0.179 0.207 0.262 0.289 0.340 — —
15.90 271 0.226 0.262 0.333 0.367 0.435 0.564 0.686
16.00 200 — — — — — — 0.691
17.50 271 — — — — 0.482 0.627 0.765
19.05 271 0.273 0.317 0.403 0.445 0.528 0.689 0.841
20.60 271 — — — — — 0.750 0.917
22.00 217 — — — — — 0.805 —
22.20 217 — 0.371 0.473 — 0.621 0.813 0.996
23.80 169 — — — — — 0.876 —
25.40 217 0.367 0.426 0.544 0.602 0.716 0.939 1.154
28.60 169 — — 0.615 0.681 0.811 1.065 —
30.00 169 — — 0.646 — 0.852 1.121 —
31.80 169 — 0.537 0.686 0.760 0.906 1.192 1.470
35.00 127 — — — — 1.000 1.318 —
38.10 91 — — 0.826 — 1.092 1.440 —
42.20 61 — — 0.917 — 1.213 1.602 —
48.10 61 — — 1.048 — 1.388 1.835 —
60.30 61 — — 1.318 — 1.749 — —
63.50 61 — — — — 1.844 2.442 —
73.02 37 — — — — 2.125 2.818 —
75.90 37 — — — — 2.211 2.932 —

Outside diameter in mm, figures in kilograms per metre. A dash means that wall is not rolled in that diameter.

Precision ERW round tube — mass in kg/m

BS 6323 Pt 1 & 5, BS 1717, ASTM A513, JIS G3445 STKM

Precision ERW round tube — mass in kg/m — BS 6323 Pt 1 & 5, BS 1717, ASTM A513, JIS G3445 STKM
Outside dia mm Wall thickness — mass in kg/m
0.8 1.0 1.2 1.6 2.0 2.6 3.2
12.70 0.235 0.289 0.340 — — — —
15.90 0.298 0.367 0.435 — — — —
19.05 0.360 0.445 0.528 0.689 — — —
22.20 0.422 0.523 0.621 0.813 0.996 — —
25.40 0.485 0.602 0.716 0.939 1.154 — —
31.80 0.612 0.760 0.906 1.192 1.470 1.872 —
38.10 0.736 0.915 1.092 1.440 1.780 2.276 2.754
44.50 0.862 1.073 1.281 1.693 2.096 2.686 3.259
50.80 0.986 1.228 1.468 1.941 2.407 3.090 3.756
63.50 1.237 1.541 1.844 2.442 3.033 3.905 4.758
76.20 1.487 1.854 2.219 2.943 3.660 4.719 5.761

Light-wall mechanical and general-engineering tube, quoted on outside diameter. Walls above 3.2 mm are quoted on enquiry.

CR oval tube — weight by wall thickness

Made to the mill's own standard

CR oval tube — weight by wall thickness — Made to the mill's own standard
Size mm Per bundle Wall thickness (mm)
0.90 1.20 1.60 2.00
16 × 30 200 0.544 0.716 — —
16 × 40 200 — 0.906 1.192 1.470
30 × 50 100 — 1.213 1.602 1.983

Section size in mm, figures in kilograms per metre.

CR elliptical tube — weight by wall thickness

Made to the mill's own standard

CR elliptical tube — weight by wall thickness — Made to the mill's own standard
Size mm Per bundle Wall thickness (mm)
0.90 1.20 1.60
13 × 23 200 0.403 0.528 0.689
19 × 42 200 0.686 0.906 —
24 × 56 100 — 1.213 —

Section size in mm, figures in kilograms per metre. The 19 × 42 elliptical is also sold in the trade by the 20 ft length — see section 03.

Gallery

CR Precision Tubing in production

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