Product Seamless carbon steel tubes for process and linepipe
Standard API 5L, ASTM A106, EN10216 ASTM A333 (low temp)
Dimensions 1 / 2" – 24"
Lengths Single (4 – 7) and double (8 – 14) random lengths
Delivery conditions With bevelled ends for sizes with O.D. > 60.3 mm
Materials Gr. B, Gr. X52, A106 gr. C, P265GH
Gr. 6 LT45, P355 (low temp)
Surface Mill varnish
Certification 3.1 acc. to EN 10204

Product Seamless carbon steel tubes for mechanical engineering, construction or pressure requirements
Standard EN 10297-1, EN 10210-1 / 2, EN 10216-1/3
Dimensions 10.2 x 1.6 mm to 660 x 100 mm
Lengths Single (4 – 7) and double (8 – 14) random lengths
Materials Mostly combined P355N TC1 / S355J2H / E355 N
Surface Black, not oiled
Certification 3.1 acc. to EN 10204

Product Seamless carbon steel tubes for machining / hollow bar
Standard EN 10294-1 or ISO 2938
Dimensions 30 x 20 to 250 x 200 mm
Lengths 4 – 8 m
Delivery conditions Hot rolled condition
Materials E355
E355 J2
S355J2H
E470
Surface Black, not oiled
Certification 3.1 acc. to EN 10204

Product Seamless boiler tubes
Standard EN 10216-2 other standards on request
Dimensions 13.5 x 1.8 mm to 610 x 30 mm
other dimensions on request
Tolerances Outside diameter and wall thickness acc. to EN 10216-2
Lengths 5 to 7 m, partly 10 to 14 m
other lengths and fixed lengths on request
Materials Steel grade (EN)
P235 GH TC 1
P235 GH TC 2
16Mo3
13CrMo4-5
10CrMo9-10

Steel grade (JIS)
ST B 340
ST B 410
ST B 510
ST BA 12
ST BA 22
ST BA 24

Steel grade (ASTM / ASME)
A / SA 192
A / SA 210
A / SA 213
T5, T11, T12, T22, T91

other materials on request
Surface On request
Marking Manufacturer stamp, EN standard, material, size, heat number or identification
number, if applicable test category and tube number (depending on material)
Testing Water pressure or electromagnetic testing acc. to EN 10246-1 (SEP 1925)
other testing on request
Certification 3.1 acc. to EN 10204
3.2 acc. to EN 10204 for alloyed boiler tubes

Product Seamless heat exchanger tubes
Standard metric dimensions EN 10216-2 inch dimensions ASTM A 179M-1990a, ASME SA 179M, ASME Section II part A
Dimensions metric dimensions 10 x 1 mm to 30 x 2.5 mm
inch dimensions 19.05 x 1.65 mm to 25.4 x 3.4 mm
other dimensions on request
Lengths Lengths and fixed lengths on request
Materials Steel grade (EN) Steel grade (ASTM / ASME)
metric dimensions P235 GH TC 1 SA 556 C 2
inch dimensions P235 GH TC 1

other materials on request
Marking Manufacturer stamp, material, size, heat number or identification number
Testing metric dimensions Electromagnetic testing acc. to EN 10246-1 (SEP 1925)
inch dimensions Electromagnetic testing acc. to ASME SA 450, test hole 0.8 mm
Certification 3.1 acc. to EN 10204
other certifications on request

Product Seamless cold drawn heat exchanger tubes
Standard ASTM A179
Dimensions 15.88 x 2.11 to 38.1 x 2.77
Lengths 6 m or 12.3 m
Delivery conditions With plain ends
Materials A179 / SA179
Surface Black
Marking Steel grade, manufacturer's symbol, heat number or identification number
Testing Eddy Curent Tested
Certification 3.1 acc. to EN 10204

Product U-bent tubes
Standard metric dimensions EN 10216-2 inch dimensions ASME SA 556 C 2 ASTM A 179M 1990a, ASME SA 179M, ASME Section II part A
Dimensions metric dimensions 10 x 1 mm to 30 x 2.5 mm
inch dimensions 19.05 x 1.65 mm to 25.4 x 3.4 mm
Tolerances metric dimensions acc. to EN 10305-1
inch dimensions outside diameter acc. to EN 10305-1
wall thickness 0 / +20 % (SA 556M)
Materials Steel grade (EN) Steel grade (ASTM / ASME)
metric dimensions P235 GH TC 1 SA 556 C 2
inch dimensions P235 GH TC 1 A 179 / SA 179

other materials on request
Certification 3.1 acc. to EN 10204
other certifications on request

Product Welded light, normal and heavy wall carbon steel tubes
Standard EN 10219-1 / 2, EN 10217-1
Dimensions 31.8 x 2 mm to 508 x 12.5 mm
Lengths 6 m, 6.40 m (special length for greenhouse tubes) or 12 m
Delivery conditions With plain ends
Materials S235JRH
S355J2H
P235TR1 / S235JRH
Surface Black, not oiled

Shotblasted and / or painted
Testing Leak tested
Certification 2.2 acc. to EN 10204 for light and normal wall tubes
3.1 acc. to EN 20104 for heavy wall tubes

Product Welded normal wall steel tubes for sprinkler systems
Standard EN 10217-1
Dimensions 42.4 x 2.6 mm to 168.3 x 4 mm
Lengths 6 m
Delivery conditions Grooved
Materials P235 TR1
Surface Black, not oiled
Testing Leak tested
Certification 2.2 acc. to EN 10204

Product HFI-welded boiler tubes
Standard BS 3059 / EN 10217-2
Dimensions 33.7 x 2.6 mm to 168.3 x 5.6
Lengths 6.70 m
Delivery conditions Normalised, internal seam weld removed, tensile strenght max. 440 N / mm2, plain ends with caps
Materials ERW 320 / P195GH
Surface Black, not oiled
Testing Leak tested
Certification 3.1 acc. to EN 10204

Product Welded carbon steel pipes for installation purposes
Standard EN 10255 M / EN 10255 H
Dimensions 1 / 4" to 4"
Lengths 6 m
Delivery conditions With plain ends or with thread and coupling
Materials S195T
Surface Black or hot-dipped galvanized
Testing Pressure tested at 50 bar
Certification 2.2 acc. to EN 10204

Product Welded carbon steel pipes “class A” or construction
Standard EN 10255 L2 / EN 10219-1 / 2
Dimensions 3/8" to 4"
Lengths 6 m
Delivery conditions With plain ends or with thread and coupling
Materials S195T / S235JRH
Surface Black or hot-dipped galvanized
Testing Pressure tested at 50 bar for class A.
Certification 2.2 acc. to EN 10204

Product Welded central heating pipe LEBU®
Standard EN 10305-3 or DIN 2394
Dimensions 12 x 1.2 mm to 108 x 2 mm
Lengths 6 m
Delivery conditions Tubes manufactured from pickled or cold rolled strip with plain ends
Materials E190+CR2 / E220+CR2 / E260 CR2 / E320+CR2 or St.34-2
Surface High gloss electrolytic zinc plated
Testing Leak tested
Certification 2.2 acc. to EN 10204

Product Welded linepipes to ERW API / EN
Standard API 5L / EN 10217-2 / EN 10219-1 / 2
Dimensions 168.3 x 4.8 mm to 610 x 12.7 mm
Lengths 11.80 m
Delivery conditions With bevelled ends
Materials Grade B / P235GH / S235JRH
Surface Black, not oiled
Testing Pressure tested to the norm
Certification 3.1 acc. to EN 10204

Product Welded linepipes to SAW API / EN
Standard API 5L / EN 10217-5
Dimensions 711 x 7.1 mm to 1219.1 x 12.7 mm
Lengths 11 – 11.80 m
Delivery conditions With bevelled ends
Materials Grade B / P265GH TC1 / S235JRH
Surface Black, not oiled
Testing Pressure tested to the norm
Certification 3.1 acc. to EN 10204