Welded tubes of increased precision:
ČSN 42 6714, DIN 2393, GOST 107 07, ČSN EN 10305–2, ČSN 42 014 | Diameter: | from 4 to 106 mm |
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| Wall thickness: | from 0.5 to 4 mm |
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Delivery of other dimensions may be the subject of special agreement. Following an agreement, eamless drawn tubes by DIN 2391 may be supplied. Material.| Steel grades by DIN: | St12, USt34–2, USt37–2, St37–2, USt42–2, St44–3, TStE 355 |
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| Steel grades by GOST: | VSt2kp, VSt3kp, VSt3sp, VSt4kp, VSt4sp |
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Surface finish.Welded drawn tubes are supplied with bright and smooth inner and outer surface finish. Precision tubes: surface longitudinal scores and hollows, which do not exceed the tolerance limits of the wall thickness, are allowed. Tubes of increase precision: surface scores and hollows will not exceed 0,8 mm. Heat treatment.As required by the customer: - without heat treatment (BK condition according to DIN standard)
- normalized (NBK condition according to DIN standard)
Lengths and tolerances.| Manufactured length: | from 2 to 7 m |
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| Approximate length: | from 2 to 7 m with a tolerance limit of ±250 mm |
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| Precise length: | from 2 to 7 m with a tolerance limit of + 50 mm |
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| Extra precise length: | from 0.3 to 2 m with a tolerance limit of ±1 mm |
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Quality parameters of tube dimensions, tolerances, straightness and testing meet the appropriate standards. Packing and designation.The drawn welded tubes are supplied in band-blocked bundles of weight up to 2500 kg. Following an agreement, the bundles can be wrapped in jute or foil or packed into cases and the ends of bundles can be protected by wooden crates. Each bundle is fitted with the producer's label with the data as follows: - size
- steel grade
- heat number
- order number
- final inspection
- customer
- weight in kg, following an agreement length in m and number of pieces
To protect the tube surface against atmospheric corrosion during the transport, the tubes are oiled with preservation agent. Profile | D mm | t mm | Weight kg/m | D mm | t mm | Weight kg/m | D mm | t mm | Weight kg/m |
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| 4.0 | 0.50 | 0.036 | 20.0 | 1.25 | 0.578 | 33.25 | 0.60 | 0.483 | 52.0 | 3.00 | 3.625 | | 4.0 | 0.75 | 0.060 | 20.0 | 1.50 | 0.684 | 34.0 | 1.00 | 0.814 | 55.0 | 1.00 | 1.335 | | 5.0 | 0.50 | 0.055 | 20.0 | 1.80 | 0.808 | 34.0 | 1.25 | 0.010 | 55.0 | 1.25 | 1.657 | | 5.0 | 0.75 | 0.079 | 20.0 | 2.00 | 0.888 | 34.0 | 1.50 | 1.202 | 55.0 | 1.50 | 2.979 | | 8.0 | 0.50 | 0.093 | 20.0 | 2.50 | 1.079 | 34.0 | 2.00 | 1.578 | 55.0 | 2.00 | 2.614 | | 8.0 | 0.70 | 0.126 | 20.0 | 2.60 | 1.116 | 34.0 | 2.50 | 1.942 | 55.0 | 2.50 | 3.237 | | 8.0 | 1.00 | 0.173 | 20.0 | 2.80 | 1.190 | 34.0 | 3.00 | 2.293 | 55.0 | 3.00 | 3.847 | | 8.0 | 1.50 | 0.240 | 22.0 | 0.75 | 0.393 | 35.0 | 0.60 | 0.509 | 57.0 | 1.25 | 1.719 | | 9.0 | 0.50 | 0.105 | 22.0 | 1.00 | 0.518 | 35.0 | 1.00 | 0.838 | 57.0 | 1.50 | 2.053 | | 9.0 | 1.00 | 0.197 | 22.0 | 1.25 | 0.640 | 35.0 | 1.50 | 1.239 | 57.0 | 2.00 | 2.713 | | 9.0 | 1.50 | 0.277 | 22.0 | 1.50 | 0.758 | 35.0 | 2.00 | 1.628 | 57.0 | 2.50 | 3.360 | | 10.0 | 0.50 | 0.117 | 22.0 | 1.80 | 0.897 | 35.0 | 2.50 | 2.004 | 57.0 | 3.00 | 3.995 | | 10.0 | 0.75 | 0.171 | 22.0 | 2.00 | 0.986 | 35.0 | 3.00 | 2.367 | 58.0 | 1.25 | 1.749 | | 10.0 | 1.00 | 0.222 | 22.0 | 2.50 | 1.202 | 36.0 | 1.00 | 0.863 | 58.0 | 1.50 | 2.090 | | 10.0 | 1.25 | 0.270 | 22.0 | 3.00 | 1.406 | 36.0 | 1.50 | 1.276 | 58.0 | 2.00 | 2.762 | | 10.0 | 1.50 | 0.314 | 23.0 | 0.80 | 0.438 | 36.0 | 2.00 | 1.677 | 58.0 | 2.50 | 3.422 | | 12.0 | 0.50 | 0.142 | 23.0 | 1.00 | 0.543 | 36.0 | 2.50 | 2.065 | 58.0 | 3.00 | 4.069 | | 12.0 | 0.75 | 0.208 | 23.0 | 1.25 | 0.670 | 36.0 | 3.00 | 2.411 | 60.0 | 1.50 | 2.164 | | 12.0 | 1.00 | 0.271 | 23.0 | 1.50 | 0.795 | 38.0 | 1.00 | 0.912 | 60.0 | 2.00 | 2.861 | | 12.0 | 1.25 | 0.331 | 23.0 | 1.80 | 0.941 | 38.0 | 1.25 | 1.133 | 60.0 | 2.50 | 3.545 | | 12.0 | 1.50 | 0.388 | 23.0 | 2.00 | 1.036 | 38.0 | 1.50 | 1.350 | 60.0 | 3.00 | 4.217 | | 12.0 | 2.00 | 0.493 | 23.0 | 2.50 | 1.264 | 38.0 | 2.00 | 1.776 | 60.0 | 3.50 | 4.877 | | 12.0 | 2.50 | 0.586 | 23.0 | 3.00 | 1.480 | 38.0 | 2.50 | 2.189 | 65.0 | 1.50 | 2.350 | | 13.0 | 0.75 | 0.228 | 24.0 | 0.50 | 0.290 | 38.0 | 3.00 | 2.589 | 65.0 | 2.00 | 3.107 | | 13.0 | 1.00 | 0.296 | 24.0 | 1.00 | 0.567 | 40.0 | 1.00 | 0.962 | 65.0 | 2.50 | 3.853 | | 13.0 | 1.25 | 0.362 | 24.0 | 1.25 | 0.701 | 40.0 | 1.25 | 1.195 | 65.0 | 3.00 | 4.587 | | 13.0 | 1.50 | 0.425 | 24.0 | 1.50 | 0.832 | 40.0 | 1.50 | 1.424 | 65.0 | 3.50 | 5.308 | | 13.0 | 2.00 | 0.543 | 24.0 | 1.80 | 0.985 | 40.0 | 2.00 | 1.874 | 70.0 | 1.50 | 2.534 | | 13.0 | 2.50 | 0.647 | 24.0 | 2.00 | 1.085 | 40.0 | 2.50 | 2.312 | 70.0 | 2.00 | 3.354 | | 14.0 | 0.50 | 0.166 | 24.0 | 3.00 | 1.554 | 40.0 | 3.00 | 2.737 | 70.0 | 2.50 | 4.162 | | 14.0 | 0.75 | 0.245 | 25.0 | 0.50 | 0.302 | 42.0 | 1.00 | 1.011 | 70.0 | 3.00 | 4.957 | | 14.0 | 1.00 | 0.321 | 25.0 | 0.80 | 0.477 | 42.0 | 1.25 | 1.256 | 70.0 | 3.50 | 5.740 | | 14.0 | 1.50 | 0.462 | 25.0 | 1.25 | 0.732 | 42.0 | 1.80 | 1.785 | 73.0 | 2.00 | 3.502 | | 14.0 | 2.00 | 0.592 | 25.0 | 1.50 | 0.869 | 42.0 | 2.00 | 1.973 | 73.0 | 2.50 | 4.347 | | 15.0 | 0.50 | 0.179 | 25.0 | 1.80 | 1.030 | 42.0 | 2.50 | 2.435 | 73.0 | 3.00 | 5.179 | | 15.0 | 0.75 | 0.264 | 25.0 | 2.00 | 1.134 | 42.0 | 3.00 | 2.885 | 73.0 | 3.50 | 5.999 | | 15.0 | 1.00 | 0.345 | 25.0 | 2.50 | 1.387 | 43.0 | 1.00 | 1.060 | 75.0 | 1.50 | 2.720 | | 15.0 | 1.25 | 0.424 | 25.0 | 3.00 | 1.628 | 43.0 | 1.25 | 1.318 | 75.0 | 2.00 | 3.601 | | 15.0 | 1.50 | 0.499 | 26.0 | 0.50 | 0.314 | 43.0 | 1.50 | 1.540 | 75.0 | 2.50 | 4.470 | | 15.0 | 1.80 | 0.586 | 26.0 | 1.00 | 0.617 | 43.0 | 2.00 | 2.021 | 75.0 | 3.00 | 5.327 | | 15.0 | 2.00 | 0.641 | 26.0 | 1.25 | 0.763 | 43.0 | 2.50 | 2.559 | 75.0 | 3.50 | 6.171 | | 15.0 | 2.50 | 0.771 | 26.0 | 1.50 | 0.906 | 43.0 | 3.00 | 3.032 | 79.0 | 1.50 | 2.867 | | 16.0 | 0.50 | 0.191 | 26.0 | 1.80 | 1.074 | 44.0 | 1.00 | 1.060 | 80.0 | 1.50 | 2.904 | | 16.0 | 0.75 | 0.282 | 26.0 | 2.00 | 1.184 | 44.0 | 2.00 | 2.071 | 80.0 | 2.00 | 3.847 | | 16.0 | 1.00 | 0.370 | 26.0 | 2.50 | 1.449 | 44.0 | 3.00 | 3.032 | 80.0 | 2.50 | 4.778 | | 16.0 | 1.25 | 0.455 | 27.0 | 0.50 | 0.327 | 45.0 | 1.00 | 1.085 | 80.0 | 3.00 | 5.697 | | 16.0 | 1.50 | 0.536 | 27.0 | 1.00 | 0.641 | 45.0 | 1.25 | 1.350 | 80.0 | 3.50 | 6.603 | | 16.0 | 1.80 | 0.630 | 27.0 | 1.25 | 0.794 | 45.0 | 1.50 | 1.609 | 85.0 | 1.50 | 3.089 | | 16.0 | 2.00 | 0.691 | 27.0 | 1.50 | 0.943 | 45.0 | 2.00 | 2.121 | 85.0 | 2.00 | 4.094 | | 17.0 | 0.50 | 0.203 | 27.0 | 2.00 | 1.233 | 45.0 | 2.50 | 2.620 | 85.0 | 2.50 | 5.086 | | 17.0 | 0.75 | 0.301 | 27.0 | 2.50 | 1.510 | 45.0 | 3.00 | 3.107 | 85.0 | 3.00 | 6.067 | | 17.0 | 1.00 | 0.395 | 27.0 | 3.00 | 1.776 | 46.0 | 1.00 | 1.110 | 85.0 | 3.50 | 7.035 | | 17.0 | 1.25 | 0.489 | 28.0 | 0.50 | 0.339 | 46.0 | 1.25 | 1.379 | 87.0 | 1.50 | 3.163 | | 17.0 | 1.50 | 0.573 | 28.0 | 1.00 | 0.666 | 46.0 | 1.50 | 1.646 | 87.0 | 2.00 | 4.192 | | 17.0 | 1.80 | 0.675 | 28.0 | 1.25 | 0.825 | 46.0 | 2.00 | 2.170 | 87.0 | 2.50 | 5.210 | | 17.0 | 2.00 | 0.740 | 28.0 | 1.50 | 0.980 | 46.0 | 2.50 | 2.682 | 87.0 | 3.00 | 6.215 | | 18.0 | 0.50 | 0.216 | 28.0 | 1.80 | 1.163 | 46.0 | 3.00 | 3.181 | 87.0 | 3.50 | 7.207 | | 18.0 | 0.75 | 0.319 | 28.0 | 2.00 | 1.282 | 48.0 | 1.00 | 1.159 | 89.0 | 1.50 | 3.237 | | 18.0 | 1.00 | 0.419 | 28.0 | 2.50 | 1.572 | 48.0 | 1.50 | 1.720 | 89.0 | 2.00 | 4.291 | | 18.0 | 1.25 | 0.516 | 30.0 | 0.75 | 0.541 | 48.0 | 2.00 | 2.269 | 89.0 | 2.50 | 5.333 | | 18.0 | 1.50 | 0.610 | 30.0 | 1.00 | 0.715 | 48.0 | 2.50 | 2.805 | 89.0 | 3.00 | 6.363 | | 18.0 | 1.80 | 0.719 | 30.0 | 1.25 | 0.886 | 48.0 | 3.00 | 3.329 | 89.0 | 3.50 | 7.380 | | 18.0 | 2.00 | 0.789 | 30.0 | 1.50 | 1.054 | 50.0 | 1.00 | 1.208 | 100.0 | 1.50 | 3.644 | | 18.0 | 2.50 | 0.956 | 30.0 | 1.80 | 1.252 | 50.0 | 1.25 | 1.503 | 100.0 | 1.75 | 4.240 | | 19.0 | 0.50 | 0.228 | 30.0 | 2.00 | 1.381 | 50.0 | 1.50 | 1.794 | 102.6 | 1.30 | 3.248 | | 19.0 | 0.75 | 0.338 | 30.0 | 2.50 | 1.695 | 50.0 | 1.80 | 2.140 | 105.2 | 1.50 | 3.836 | | 19.0 | 1.00 | 0.444 | 32.0 | 0.75 | 0.465 | 50.0 | 2.00 | 2.367 | 105.2 | 2.00 | 5.090 | | 19.0 | 1.25 | 0.547 | 32.0 | 1.00 | 0.764 | 50.0 | 2.50 | 2.928 | 105.2 | 2.50 | 6.332 | | 19.0 | 1.50 | 0.647 | 32.0 | 1.25 | 0.948 | 50.0 | 3.00 | 3.477 | 105.2 | 3.00 | 7.561 | | 19.0 | 1.80 | 0.764 | 32.0 | 1.50 | 1.128 | 52.0 | 1.00 | 1.258 | 105.2 | 3.50 | 8.778 | | 19.0 | 2.00 | 0.838 | 32.0 | 1.80 | 1.341 | 52.0 | 1.25 | 1.564 | 106.0 | 1.50 | 3.866 | | 19.0 | 2.50 | 1.017 | 32.0 | 2.00 | 1.480 | 52.0 | 1.50 | 1.868 | 106.0 | 2.00 | 5.129 | | 20.0 | 0.50 | 0.240 | 32.0 | 2.50 | 1.819 | 52.0 | 2.00 | 2.466 | 106.0 | 2.50 | 6.381 | | 20.0 | 1.00 | 0.469 | 32.0 | 3.00 | 2.146 | 52.0 | 2.50 | 3.052 | 106.0 | 3.00 | 7.620 | | | | | | | | | | | 106.0 | 3.50 | 8.847 |
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