EN Seamless Pipe

Steel pipes for pipelines for gas and combustible fluids EN 10208 (available only from production)

EN 10208-1 PIPES OF REQUIREMENTS CLASS A – MANUFACTURE PROCESS DEPENDENT ON PRODUCER

application:  

distribution of combustible media with determined working pressure for gas engineering and petrochemical industry (previously DIN 2470-1 with DIN 1626/1629 and DVGW – Working Sheet G 260/1)

production method:   

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

grade:  

1.0319

L 210 GA

RR StE 210.7

1.0458

L 235 GA

St 37.0

1.0459

L 245 GA

RR StE 240.7

1.0483

L 290 GA

St 44.0

1.0499

L 360 GA

St 52.0

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

EN 10208-2 PIPES OF REQUIREMENTS CLASS B – MANUFACTURE PROCESS DEPENDENT ON PRODUCER

application:  

distribution of combustible media with determined pressure (previously DIN 17172)

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:   

1.0457

L 245 NB

StE 240.7

1.0484

L 290 NB

StE 290.7

1.0582

L 360 NB

StE 360.7

1.8972

L 415 NB

StE 415.7

grade: seamless:  

1.8948

L 360 QB

1.8947

L 415 QB

1.8952

L 450 QB

1.8955

L 485 QB

1.8957

L 555 QB

grade: seamless:  

1.0418

L 245 MB

1.0429

L 290 MB

StE 290.7 TM

1.0578

L 360 MB

StE 360.7 TM

1.8973

L 415 MB

StE 415.7 TM

1.8975

L 450 MB

StE 445.7 TM

1.9877

L 485 MB

StE 480.7 TM

1.8978

L 555 MB

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

SEAMED STEEL PRESSURE PIPES EN 10217-1

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

 

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: 

1.0107

P 195 TR 1

St 33

1.0254

P 235 TR 1

St 37.0

1.0258

P 265 TR 1

St 44.0

  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

SEAMLESS STEEL PRESSURE PIPES EN 10216

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

application:  

according to standards: DVGW, TRB, TRD i ADW

production method:  

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

grades:  

1.0107

P 195 TR 1

St 33

1.0254

P 235 TR 1

St 37.0

1.0258

P 265 TR 1

St 44.0

1.0562

P 355 N

St 52.0

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

FROM UNALLOYED AND ALLOYED STEEL WITH DETERMINED PROPERTIES FOR ELEVATED TEMPERATURE EN 10216-2 (DIN 17175)

application:  

boiler pipes for temperatures determined by grades, without determination of pressure level 
TC1 class – test class without ultrasounds 
TC2 class – test class with ultrasounds

grades:  

1.0348

P 195 GH

UH 1

1.0345

P 235 GH

St 35.8/H1

1.0425

P 265 GH

St 45.8

1.5415

16 Mo 3

15 Mo 3

1.7335

13 CrMo 4-5

13 CrMo 44

1.7380

10 CrMo 9-10

10 CrMo 910<

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

STEEL LINE PIPES FROM STRUCTURAL GENERAL-PURPOSE STEEL WITH AND WITHOUT SEAM ACC. TO EN 10224 (DIN 2460)

application:  

water conduction, also drinking water

production method:   

– without seam
– with seam (spiral or longitudinal)

grade:  

1.0252

L 235

St37.0

1.0419

L 355

St52.0

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

SEAMED AND SEAMLESS THREADED STEEL LINE PIPES EN 10255

(DIN 2440) – medium-heavy pipes
(DIN 2241) – heavy pipes

application:  

fluid media with pressure up to 25 bars, gas media and air with pressure up to 10 bars

 

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

SEAMED COLD-ROLLED STRUCTURAL PIPES EN 10219

 

application:

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

 

production method:

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

from unalloyed steel
(DIN 17120)

grade:  

1.0039

S 235 JRH

R St 37-2

1.0149

S 275 JOH

St 44-2

1.0138

S 275 J2H

St 44-3 N

1.0547

S 355 JOH

St 52-3 U

1.0567

S 355 J2H

St 52-3 N

from unalloyed steel 
(DIN 59411)

grade:  

1.0493

S 275 NH

StE 285 N

1.0497

S 275 NLH

T StE 285 N

1.0539

S 355 NH

StE 355 N

1 0549

S 355 NLH

T StE 355 N

1.8953

S 460 NH

StE 460 N

1 8956

S 460 NLH

T StE 460 N

1.8843

S 375 MH

1.8844

S 275 MLH

1.8845

S 355 MH

1.8846

S 355 MLH

1.8847

S 420 MH

1.8848

S 420 MLH

1.8849

S 460 MH

1.8850

S 460 MLH

 

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

SEAMED AND SEAMLESS HOT-ROLLED STRUCTURAL PIPES EN 10210

 

application:

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

 

production method:

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

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

grade:   

1.0039

S 235 JRH

R St 37-2

1.0149

S 275 JOH

St 44-2

1.0138

S 275 J2H

St 44-3 N

1.0547

S 355 JOH

St 52-3 U

1.0567

S 355 J2H

St 52-3 N

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

grade:   

1.0493

S 275 NH

StE 285 N

1.0497

S 275 NLH

T StE 285 N

1.0539

S 355 NH

StE 355 N

1 0549

S 355 NLH

T StE 355 N

1.8953

S 460 NH

StE 460 N

1 8956

S 460 NLH

T StE 460 N

 

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

Screwed steel line pipes EN 10255

(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

PRESSURE PIPES

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

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

STRUCTURAL PIPES

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

STEEL LINE PIPES FOR GAS AND COMBUSTIBLE MEDIA EN 10208 (AVAILABLE ONLY FROM PRODUCTION)

STEEL LINE PIPES for gas and combustible media EN 10208 (available only from production)

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

PRECISE PIPES EN 10305

PRECISE PIPES EN 10305

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