Pipes

Pipes

Pipes – we offer a wide selection of steel pipes that work perfectly in various types of housing construction, as well as in the construction of simple devices.

Thanks to the ideal shape and excellent strength properties, the steel pipes we supply allow for the creation of structures that are both light and durable. The pipes in our offer are characterized by high precision, dimensional accuracy, and good surface quality. We offer models made of different grades of steel.

Construction pipes

Most popular sizes:
DN200, DN300, DN500, DN700, DN900, DN1000, DN1200, or DN1400 (we also offer other sizes)

Trade lengths, exact

Grades:
S235/S355

Certificate:
3.1

TOLERANCES EN 10219-2

External dimension (width B height H) +/-1% with allowable minimum
+/-0.5mm and maximum +/-10mm
Wall thickness T for D ≤ 406.4 mm: T ≤ 5 mm +/-10%, T > 5 mm: +/-0.5 mm for D > 406.4 mm: +/-10% with a maximum of +/ - 2mm
Roundness deviation 2% for sections with a diameter to thickness ratio not exceeding 100, above 100 the deviation should be agreed
Simplicity 0.2% for the entire length, no more than 3 mm for each 1 m of length
Mass M Single pipe: +/-6%
Standard length 6000mm / 12000mm, -0/+50mm

MECHANICAL PROPERTIES

Species name MATERIAL NUMBER NORM Yield Strength, (REH) MPA (N/MM2) MINIMUM FOR WALL THICKNESS IN MM TENSILE STRENGTH, (RM) MPA (N/MM2) MINIMUM FOR WALL THICKNESS IN MM MINIMUM ELONGATION (A) IN % IMPACT TESTING
MINIMUM AVERAGE VALUE TEST TEMPERATURE
T ≤ 16 16 < T ≤ 40 T ≤ 3 3 < T ≤ 40 T ≤ 40 Je OC
EN 10219-1
S235JRHb 1.1939 EN 10219-1 235 225 360 – 510 360 – 510 24 27d 20
S275JOHb 1.0149 EN 10219-1 275 265 430 – 580 430 – 580 20 27d 0
S275J2H 1.0138 EN 10219-1 275 265 431 – 580 430 – 580 20 27d -20
S355JOHb 1.0547 EN 10219-1 355 345 510 – 680 510 – 680 20 27d 0
S355J2H 1.0576 EN 10219-1 355 345 510 – 680 510 – 680 20 27d -20

a – longitudinal elongation values. Lateral elongation values -2%

b – impact test only for option 1.3

c - the value corresponds to 27 J at -30°C

d – longitudinally or transversely, to be chosen by the supplier

e – test value from 6 mm wall

CHEMICAL COMPOSITION

SPECIES NAME MATERIAL NUMBER NORM C max. Si max. Mn max. P max. S max. Al razem min. N max. CEV MAX. IN % FOR WALL
EN 10219-1
T ≤ 40
S235JRH 1.1939 EN 10219-1 0,17 - 1,4 0,04 0,04 - 0,009bg 0,35
S275JOH 1.0149 EN 10219-1 0,2 - 1,5 0,035 0,035 - 0,009bg 0,4
S275J2H 1.0138 EN 10219-1 0,2 - 1,5 0,03 0,03 0,02h - 0,4
S355JOH 1.0547 EN 10219-1 0,22 0,55 1,6 0,035 0,035 - 0,009bg 0,45
S355J2H 1.0576 EN 10219-1 0,22 0,55 1,6 0,03 0,03 0,02h - 0,45

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