Application:
1. Solar Racking;
2. Agricultural and dairy products;
3. Greenhouse structures and equipment
4. Playground and recreational equipment
5. Conveyor rollers
6. Carports and metal buildings
7. Trailers
8. Appliances
9. Canopies and Shade Structures
10. Satellite dish supports
11. Vinyl stiffening tubes
12. Miscellaneous product applications
Order Definition:
Details (essential data)
1. Product " Mechanical Tube".
2. Manufacturing norms.
3. Steel grade and heat treatment.
4. Nominal dimensions:
A. Outer Diameter
B. Wall Thickness
C. Length
5. Quantity and tolerances
Options
1. Request for steel with controlled sulphur content
2. Special tolerances
3. Lengths different to those shown as standard.
4. Special checks
5. Certification and marking different to that shown in the present specifications.
6. Colour coding of one end
Mechanical Properties
Similar GradesYield Strength R2 (Mpa)Tensile Strength Rm (Mpa)Elongation(%)(L)
| 1020/St37.0/E235/STKM 13A | (221 min)/(215 min)/(215 min normalized)/(215 min) | (345 min)/(350-480)/(360 min normalized)/(370 min) | (25 min)/(25 min)/(25 min)/(25 min) |
| St52.0/E355/STKM 19A | (335 min)/(335 min normalized)/(315 min) | (500-650)/(490 min normalized)/(490 min) | (21 min)/(20 min)/(18 min) |
| 1035/C35E/STKM 16A | (276 min)/(270 min)/(325 min) | (448 min)/(520 min)/(510 min) | (20 min)/(19 min)/(15 min) |
| 1045/C45E/STKM 17A | (310 min)/(305min)/(345 min) | (517 min)/(580 min)/(550 min) | (15 min)/(14 min)/(15 min) |
Wall Thickness Tolerances
Scope of Outer DiameterRatio of Wall Thickness and Outer Diameter (WT/OD)Tolerance
| 102mm max | / | +/12.5% or +/-0.4mm (Chose the bigger one) |
| 102mm min | 0.05 max | +/15% or +/-0.4mm (Chose the bigger one) |
| 102mm min | 0.05-0.10 | +/12.5% or +/-0.4mm (Chose the bigger one) |
| 102mm min | 0.10 min | (-10%, +12.5%) |
Surfaces Conditions
Black surface with oxygen skin
Grinded for external or internal surface, or external and internal surface
Peeled for external or internal surface, or external and internal surface
Certification
The product is supplied with 3.1.B inspection certificate, in conformity with EN 10204.
