production method:   

– seamless: S
– seamed: EW electrical welding
                  BW continuous welding
                  SAW powder welding
                  COW combined welding

grade:  

outer diameter:  

Ø 33,7 up to 1.626 mm (seamless up to 660 mm)

wall thickness:  

up to 40 mm

pipe type and production running:  

see EN 10108-1 Table 1

diameter and ovality tolerance:  

see EN 10208-1 Table 6

wall thickness tolerance:  

see EN 10208-1 Table 7

max. value of radial joggle:  

see EN 10208-1 Table 10

max. value of fusion weld excedance:  

see EN 10208-1 Table 11

tests and requirements:  

see EN 10208-1 Table 12 i Table D.1

straightness:  

0,2 % along whole length, in places <mm/m

PE coating:  

EN 10285 or EN 10287 in 3-layer extrusion moulding or building up method

marking:  

plant punch, EN standard, S – steel grade without seam, W – welded, for inspection test certificate – customer’s mark and identification number

production method:   

– seamless: S
– seamed: HFW high frequency welding
                  SAW powder welding
                  COW combined welding
                  Fusion welds of strip joining for spiral pipes are acceptable after agreement

grade: seamed and seamless:   

grade: seamless:  

grade: seamless:  

outer diameter:  

Ø 33,7 up to 1.626 mm (seamless up to 660 mm)

wall thickness:  

up to 40 mm

pipe type and production running:  

see EN 10208-2 Table 2

diameter and ovality tolerance:  

see EN 10208-2 Table 9

wall thickness tolerance:  

see EN 10208-2 Table 10

max. value of fusion weld excedance:  

see EN 10208-2 Table 15

straightness:  

0,2 % along whole length, locally < 4 mm/m

PE coating:  

EN 10285 or EN 10287 in 3-layer extrusion moulding or surfacing by welding method

marking:  

plant punch, EN standard, S – steel grade without seam, W – welded, for inspection test certificate – customer’s mark and identification number

certificate:  

3.1A, 3.1B, 3.1C lub 3.2

methods and production process, delivery state: see EN 10217-1 Table 1

application:  

according to DVGW, TRB, TRD and ADW standards
TR 1 without heat treatment or normalized or normalized weld area or normalizing rolled

grades: 

  welding method:  

– pressure gas welding
– HFI welding
– powder welding for longitudinal and spiral seams

outer diameter:  

Ø 10,2 up to 2.540 mm

wall thickness:  

up to 40 mm

trade length:  

6, 12 m, partly also 18 m (other acc. to agreement)

fixed length < 406,4:  

     6.000 mm  + 10 mm
  6.000 mm > 12.000 mm  + 15 mm
> 12.000 mm acc. to agreement

fixed length ≥ 406,4:  

     6.000 mm  + 25 mm
  6.000 > 12.000 mm  + 50 mm
> 12.000 mm acc. to agreement

dimensional tolerance:   

– outer diameter: ≤ 219,1 +/- 1,00 % lub +/- 0,5 mm – higher value each time
                         > 219,1 +/- 0,75% max +/- 6 mm – higher value each time
– wall thickness: +/- 10%, min +/- 0,3 mm and acc. to EN 10217-1 Table 6 – higher value each time

straightness:  

1,5 : 1.000 for whole pipe, in places 3 : 1.000 mm

fusion weld excedance:   

– butt weld: inside + 0,5 mm/+ 0,05 x WD rolled from outside
– electrically welded: inside 1,5 mm processed from outside
– powder welding (UP), SAW pipe: inside and outside < 12,5 mm WD: max. 3,5 mm
                                                                                    > 12,5 mm WD: max. 4,8 mm

ovality:  

< 406,4: as limit value DA
> 406,4: <2%

marking:  

plant punch, short name, welding method, EN standard, steel grade, for inspection test certificate – customer’s mark and identification number

certificate:  

EN 10204 – 2.2, EN 10204 – 3.1.B lub 3.1C

application:  

according to standards: DVGW, TRB, TRD i ADW

production method:  

TR 1 rolling forming or normalized, or normalizing rolled TR3 or normalized

grades:  

outer diameter:  

Ø 10,2 up to 711 mm

wall thickness:  

up to 100 mm 

trade length:  

from 4 up to 7 m, or double length

fixed length:  

< 6.000 mm + 10 mm
   6.000 > 12.000 + 15 mm
> 12.000 – acc. to agreement

straightness:  

1,5 : 1.000 for whole pipe, in places 3 : 1.000

dimensional tolerance:   

– outer diameter: +/- 1% lub +/- 0,5 mm – higher value each time
– wall thickness: ≤ 219,1 DA: +/- 12,5 % min +/- 9,4 mm – higher value each time
– wall thickness > 219,2 DA: +/- 20 % min +/- 10% and acc. to EN 10216-1 Tab.6 or EN 10216-3 Tab. 9

certificate:  

EN 10204-2.2 lub EN 10204-3.1.B

grades:  

outer diameter:  

Ø 10,2 up to 711 mm

wall thickness:  

up to 100 mm

trade length:  

from 4 up to 7 m, or double length

fixed length:  

acc. to agreement

straightness:  

1,5 : 1.000 for whole pipe, in places 3 : 1.000 mm

dimensional tolerance:   

– outer diameter: +/- 1% or +/- 0,5 mm – higher value each time
– inner diameter: +/- 1% or +/- 2 mm – higher value each time
– wall thickness ≤ 219,1 DA: +/- 12,5% +/- 0,5 mm – higher value each time
– wall thickness > 219,1 DA: +/- 10 up to 20 %. 
other tolerances – see EN 10216-2 standards, Tables 7-11 

marking:  

plant punch, EN standard, steel grade, heat no., TC1 test class, for unalloyed steel – TC2 test class, consumer’s mark, identification number

certificate:  

EN 10204 – 3.1.B

official regulations:

DVGW, guidelines TRD, TRB, standards ADW

production method:   

– without seam
– with seam (spiral or longitudinal)

grade:  

seamless tubes:   

– diameter: Ø 88,9 up to 508 mm
– thickness: up to 11 mm
– length: 5 up to 7 m or double length (other length – after agreement)

seamed tubes:   

– diameter: Ø 88,9 up to 2.020 mm
– thickness: up to 17,5 mm
– length: 6 i 12 m, according to agreement – up to 16 m

selected length:  

according to agreement

grade L235:  

certificate 2.2
V = 0,9
DN 80 = 63 bars
from DN 100 reduced to 16 bars

grade L235:  

certification 3.1.B
V = 1,0
DN 80 = 100 bars
from DN 100 reduced to 20 bars

grade L355:  

certification 3.1.B
V = 1,0
DN 80 = 125 bars
from DN 100 reduced to 32 bars

certificate:  

EN 10204-2.2 or EN 10204-3.1.B

marking:  

producer’s mark, for 3.1.B: user’s mark and identification number

grade:   

1.0035      L 195               (St 33)

seamless pipe:   

– diameter: Ø 1/4” up to 6” 
– length:  6 m (other – acc. to agreement)

seamed pipe:  

– diameter: Ø 1/4” up to 6” 
– length:   6 m ( for diameter 1” ÷ 2”:  7 m 7.5 m 8 m)

pipe length deviation:   

– seamless: +/- 1 m
– seamed: +150 mm / – 50 mm

wall thickness deviation:  

– 12,5 %

weight deviation:  

+/- 10% for single pipe
+/- 7,5% for cargo ≥ 10 tons

leaktightness test:  

pressure test with cold water with pressure of 50 bars or eddy currents test

properties during cold bending:  

≤ 1” up to 3 x D
> 1” ≤ 2” up to 3,5 x D

galvanizing:   

– WN 10240: layer thickness – min 56 μm/400 g/m2
– drinking water A1

marking:   

– black: material marking at pipe end
– galvanized: in the normal course with producer’s and material mark
– drinking water: additionally with EN 10240 A1

certificate:  

test report EN 10204 – 2.2

production method:

electric resistance welded without heat treatment, non-annealed fusion weld (annealing – after special agreement)

from unalloyed steel
(DIN 17120)

grade:  

from unalloyed steel 
(DIN 59411)

grade:  

outer diameter:  

21,3 up to 1.219,0 mm

wall thickness:  

up to 30 mm

trade length:  

from 6 up to 15 m, special length – 18 m

fixed length:  

acc. to agreement

straightness:  

0,2% along whole length

dimensional tolerance:   

outer diameter: +/- 1%, min +/- 0,5 mm, max +/- 10 mm
wall thickness:
– for outer diameter ≤ 406,4 mm: wall thickness ≤ 5 mm: +/- 10%
                                                  wall thickness > 5 mm: +/- 0,5 mm
– for outer diameter > 406,4 mm: +/- 10 %, max +/- 2 mm

ovality:  

2 % with D/WD ratio max = 100

marking:  

plant punch, EN standard, steel grade as steel or colour punch

certificates for quality group:   

JR and JO: EN 10204 – 2.2, EN 10204 – 3.1B

certificates for quality group:   

J2 + fine-grained: EN 10204 – 3.1.B or 3.1C

production method:

– seamles
– seamed (with additional normalizing or hot-reduced)

from unalloyed steel
(DIN 17120 – seamed pipes)
(DIN 17121 – seamless pipes)

grade:   

from fine-grained steel
(DIN 17123 – seamed pipes)
(DIN 17124 – seamless pipes)

grade:   

outer diameter:  

21,3 up to 1.219,0 mm 
(for seamless pipe – up to 660 mm)

wall thickness:  

up to 50 mm

trade length:  

– seamless pipe: 5 up to 7 m or double length 
– seamed pipes: 6 up to 15 m, special length – up to 24 m

fixed length:  

acc. to agreement

straightness:   

0,2 %: along whole length for circular pipes
0,4 %: along whole length and in places

dimensional tolerance:   

– for outer diameter: +/- 1 %, min +/- 0,5 mm, max +/- 10 mm
– for wall thickness: 10 % (see additional guidelines in EN 10210)

ovality:  

2 %

fusion weld excedance:  

wall thickness ≤ 14,2 mm: max 3,5

powder welding (UP):  

wall thickness > 14,2 mm: max 4,8 mm

marking:  

plant punch, EN standard, steel grade, with steel and colour punch

certificates for quality group:  

JR and JO: EN 10204 – 2.2

certificates for quality group:   

J2 + fine-grained: EN 10204 – 3.1.B or 3.1C

LINE PIPES

(DIN 2440)
(DIN 2241)

application:   

fluid media up to the pressure of 25 bars, gas media as well as air up to the pressure of 10 bars

diameter / length:   

seamless: Ø 1/4" up to 6" / 6 m (other acc. to agreement) 
seamed: Ø 1/4" up to 6" / 6 m and for 1" up to 2" / 7 m; 7.5 m; 8 m

Steel line pipes from structural steel EN 10224

(DIN 2460)

application:   

for water conveyance, also for drinking water

diameter / thickness / length:   

seamless: Ø 88,9 up to 508 mm / up to 11 mm / 5 up to 7 m or double length
seamed: Ø 88,9 up to 2.020 mm / up to 17,5 mm / 6 i 12 m, acc. to improvement – up to 16 m

Seamless steel pressure pipes EN 10216

EN 10216-1, EN 10216-3 (DIN 1629)
(from unalloyed or fine-grained steel with determined properties for normal temp.)

application:   

acc. to: DVGW, TRB, TRD i ADW

diameter / wall / length:   

Ø 10,2 up to 711 mm / up to 100 mm / od 4 up to 7 m (the others – acc. to agreement)

EN 10216-2 (DIN 17175)
(from unalloyed and alloy steel with determined properties at increased temp.)

application:   

boiler tubes for temperatures determined by grades and without determination of pressure level
TC1 class – without ultrasounds or TC2 – with ultrasounds

diameter / wall / length:   

Ø 10,2 up to 711 mm / up to 100 mm / od 4 up to 7 m or double length: 
fixed length – acc. to agreement

Seamed steel pressure pipes EN 10217-1

(DIN 1626)
(from unalloyed steel with determined properties for normal temperature)

application:   

acc. to: DVGW, TRB, TRD i ADW

diameter / wall / length:   

Ø 10,2 up to 2.540 mm / up to 40 mm / 6, 12 m, partly 18 m (other – acc. to agreement)

SEAMLESS STEEL TUBES for mechanical engineering and universal technical applications EN 10297-1

from unalloyed steel

application:   

tubes with circular intersection for machine building and general technical use

diameter / wall / length:   

Ø 26,9 up to 610 mm / up to 100 mm / od 4 up to 7 m, or double length: 
fixed length – acc. to agreement

Seamed and seamless structural pipes, hot-rolled EN 10210

from unalloyed steel
(DIN 17120 – seamed pipes) 
(DIN 17121 – seamless pipes)

application:   

steel structures, machine, vehicle and equipment building, agricultural machinery

from fine-grained steel
(DIN 17123 – seamed pipes) 
(DIN 17124 – seamless pipes)

diameter / wall:   

Ø 21,3 up to 1.219 mm, (seamless up to 660 mm) / up to 50 mm

length:   

seamless: od 5 up to 7 m, or double length
seamed: od 6 up to 15 m, special up to 24 m, other – acc. to agreement

Seamed structural pipes, cold-rolled EN 10219

from unalloyed steel (DIN 17120) 
from fine-grained steel (DIN 59411)

application:   

steel, structures, machine, vehicle and equipment building, agricultural machinery

diameter / wall / length:   

Ø 21,3 up to 1.219 mm / up to 30 mm / od 6 up to 15 m, special length 18 m, 
other length – acc. to agreement

EN 10208-1 requirement class A

application:   

distribution of flammable media with determined pressure for gas engineering and petrochemical industry

diameter / wall / length:   

Ø 33,7 up to 1.626 mm, (seamless up to 660 mm) / up to 40 mm

EN 10208-2 requirement class B

application:   

distribution of flammable media with determined pressure

diameter / wall / length:   

Ø 33,7 up to 1.626 mm, (seamless up to 660 mm) / up to 40 mm

EN 10305-1
seamed, cold-drawn

application:   

automotive industry, machine and equipment building

diameter / wall:  

Ø 4,0 up to 165,0 mm / 0,5 mm up to 10,0 mm

EN 10305-4 
seamless, cold-drawn HPL

application:  

hydraulic and pneumatic elements

diameter / wall:  

Ø 4,0 up to 75,0 mm / 0,5 up to 12,5 mm

EN 10305-2
seamed, cold-drawn

application:  

automotive industry, machine and equipment building

diameter / wall:  

Ø 10,0 up to 125,0 mm / 1,0 mm up to 6,0 mm

EN 10305-3
seamed, rolled-to-measure

application:  

furniture industry, sport equipment and other, automotive industry, machine-building industry

diameter / wall:  

Ø 6,0 up to 120,0 mm / 0,7 up to 3,0 mm

EN10027-2

acc. to
EN

acc. to
DIN

ReH min
Mpa

Rm min
Mpa

A5 
min %

KV J/ºC

CEV 
max %

C 
   max %  

Si 
max %

Mn
   max %   

P 
max %

S 
max %

N 
max %

Al 
     max %     

Cr 
max %    

Mo
   max %   

Ni 
max %

V 
max %

Cu
max %

Nb
max %

 Ti 
max %

1.0032

L 195

St 33

185

310-540

0,20

1,40

EN 10244 (DIN 2460) steel line pipes from structural steel, with or without seam

1.0252

L 235

St 37.0

235

360-500

25

0,16

0,35

1,20

1.0419

L 355

St 52.0

355

500-650

21

0,22

0,55

1,60

EN 10216-1 (DIN 1629) seamless steel pressure pipes

1.0107

P 195 TR 1

St 33

1951

320-440

27

0,13

0,35

0,70

1.0254

P 235 TR 1

St 37.0

2351

360-500

25

0,16

0,35

1,20

1.0258

P 265 TR 1

St 44.0

2651

410-570

21

0,20

0,40

1,40

EN 10216-2 (DIN 17175) seamless steel pressure pipes

EN 10216-3 (DIN 1629) seamless steel pressure pipes

EN 10217-1 (DIN 1626) seamed steel pressure pipes

EN 10297-1 seamless steel pipes for mechanical engineering and universal technical applications

EN 10210 (DIN 17210) seamed structural pipes. (DIN 17121) seamless, hot-rolled from unalloyed steel

EN 10210 (DIN 17123) seamed structural pipes. (DIN 17124) seamless, hot-rolled from fine-grained steel

EN 10219 (DIN 17120) seamed structural pipes, cold-rolled from unalloyed steel