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>> Precision Steel Tubes |
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Precision Tubes are
extensively used in automobiles, power & industrial boilers,
transformers, superheaters, economisers, heat exchangers, bicycles,
automobiles, railway electrification, and furniture applications.
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Advantage |
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Precision ERW tubes offer many
advantages such as close tolerances on diameter & thicknesses,
exceptional concentricity and a smooth finish, both inside & outside
of the tubes.These features enable designers to obtain uniformity of
flow under controlled temperature, pressure conditions, while
fabricators can exercise greater control over close bending and tube
alignment in butt welding  
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Application |
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+ Chairs & Tubes
+ Beds & Sofas
+ Computer Table
+ Curtain Rod
+ Umbrella Rod
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Specification |
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| Standard Size |
| Outside Diameter mm |
Wall Thickness mm |
| 12.7 |
1.0, 1.2, 1.6, 2.0 |
| 13.5 |
1.0,1.2 |
| 16 |
1.0,1.2 |
| 17.2 |
1.0,1.2,1.6 |
| 19 |
1.0,1.2,1.6 |
| 20 |
1.0,1.2,1.6 |
| 21.3 |
1.0,1.2,1.6 |
| 22 |
1.0,1.2,1.6,2.0 |
| 25.4 |
1.0,1.2,1.6,2.0 |
| 26.9 |
1.0,1.2,1.6,2.0 |
| 28.5 |
1.0,1.2,1.6,2.0 |
| 30 |
1.0,1.2,1.6,2.0 |
| 31.8 |
1.0,1.2,1.6,2.0 |
| 33.7 |
1.0,1.2,1.6,2.0 |
| 38 |
1.0,1.2,1.6,2.0 |
| 42.4 |
1.0,1.2,1.6,2.0 |
| 44.5 |
1.0,1.2,1.6,2.0 |
| 48.3 |
1.0,1.2,1.6,2.0 |
| 51 |
1.0,1.2,1.6,2.0 |
| Tolerances |
| a) Outside Diameter Maximum Deviation Upto &
including 21.3mm #9; Above 21.3mm |
± 0.2mm
± 0.3mm |
| b) Wall Thickness (for all sizes) |
+ not limited - 8% |
| c) Weight |
| i) For single tube and for quantities |
10% |
| ii) Less than 150m of one size |
-8% |
| iii) For quantities of 150m and over of one size |
± 4 % |
| d) Lengths |
| i) Random Length |
4 to 7 Mtr. |
| ii) Exact Length upto 3m long |
+ 6mm - 0mm |
| iii) Over 3m long |
+ 10mm - 0mm |
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