Barthel  Kesselrohre Boilertubes GmbH.

Traditional distributor and stockiest existing more than 95 years

We are specialized in carbon and alloyed pipes and fittings for power, chemical and petrochemical application.

Services and Supplies  :

German DIN-Standard, European EN-Standard and ASTM - ASME Standard.

Size range  :  OD 20 mm up to 610 mm  with wall thickness up to 80 mm  for hot finished process.

DIN/EN :  ST 35.8/I /III (P235GH TC1/TC2) , 16Mo3 , 13 CrMo 4-5, 10 CrMo 9/10, X10 CrMoVNb91-1,

                  X20 CrMoV11-1, P92/X10 CrWMoVNb 9-2 , 7 Cr Mo VTiB 10-10.

ASTM/ASME :  SA335 Gr. P5/P11/P22/P91/P9

Approvals :  TUV , LRS, RINA, GL, BV..

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Beside our stock program and our mill connection to Vallourec.

We are promoting ESW products for ship yards. 

Grades to ASTM/ASME/API 5L/API 5CT

A/SA106              Grade B / C

A/SA213              Grade T11 – T91

A/SA333              Grade 6

A/SA335              Grade P11 – P92

A 519                    Grade 1018 – Grade 4142  ( N / A / QT)

API 5 L                  X52 – X70

API 5 CT               Grade N80 Type 1, Grade L80 Type 1, Grade P110