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Teava zincata
CAB GLASS SERVICE

Teava zincata


Țeava zincată are  strat de zinc. Zincul oferă o barieră împotriva coroziunii, astfel încât țeava să poată fi expusă la elementele de mediu exterior. Bariera de protecție se dovedește la fel de eficientă împotriva deteriorării cauzate de umiditatea interioară.

Unde se folosete 
Acest tip de țeavă este utilizat într-o varietate de lucrari. Înainte de 1970, oțelul zincat era utilizat pentru conductele de alimentare cu apă în construcții. Este utilizata în aplicații exterioare oriunde se dorește rezistența oțelului, cum ar fi stâlpi de gard și șine, schele și ca balustrade de protecție.

Coroziune interioară
Atunci când este utilizat ca țeavă pentru trasportul de apa , stratul de  de zinc tinde să reacționeze la mineralele din apă, cauzând adesea formarea ruginii  în interiorul conductei. Acest lucru împiedică fluxul de apă și, în cazuri grave, poate duce la spargerea țevilor. Conductele galvanizate sunt conectate cu fitinguri filetate care pot introduce scurgeri în instalații sanitare dacă nu sunt montate corespunzător..

Dimensiuni in conformitate cu  EN 10255 Pipe:

  • EN 10255 HEAVY
  • TS EN 10255
  • UNI EN 10255
  • BS EN 10255 GALVANISED
  • EN 10255 H DIN 2441
  • EN 10255 STEEL PIPE
  • EN 10255 ISO 65
  • IS EN 10255

 

EN 10255 Chemical compositions & Mechanical Properties

Grade Chemical composition (%) Mechanical Properties
S195T C Mn P S Yield Strength (Mpa) Tensile Strength (Mpa) Elongation (%)
≤ 0.20 ≤ 1.40 ≤ 0.035 ≤ 0.030 195 320-520 20

 

EN 10255 Dimensions

Nominal bore Outside diameter Thickness Weight
Light Medium/
Heavy
Light Medium Heavy Light Medium Heavy
in mm mm mm mm mm mm kg/m kg/m kg/m
1/4 8 13.6 13.9 1.80 2.3 2.9 0.515 0.641 0.765
3/8 10 17.1 17.4 1.80 2.3 2.9 0.670 0.839 1.020
1/2 15 21.4 21.7 2.00 2.6 3.2 0.947 1.210 1.440
3/4 20 26.9 27.2 2.30 2.6 3.2 1.380 1.560 1.870
1 25 33.8 34.2 2.60 3.2 4.0 1.980 2.410 2.940
1 1/4 32 42.5 42.9 2.60 3.2 4.0 2.540 3.100 3.800
1 1/2 40 48.4 48.8 2.90 3.2 4.0 3.230 3.570 4.380
2 50 60.2 60.8 2.90 3.6 4.5 4.080 5.030 6.190
2 1/2 65 76.0 76.6 3.20 3.6 4.5 5.710 6.430 7.930
3 80 88.7 89.5 3.20 4.0 5.0 6.720 8.370 10.300
4 100 113.9 114.9 3.60 4.5 5.4 9.750 12.200 14.500
5 125   140.6   5.0 5.4   16.600 17.900
6 150   165.1   5.0 5.4   19.700 21.300
Tevi sudate logitudinal de constructii

Tevi sudate logitudinal de constructii...

Teava zincata EN10255 HDG

Teava zincata EN10255 HDG...

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