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Process Pipes

Process Pipes

Reliable solutions for challenging environmental conditions

Our modern production facilities make it possible for us to manufacture steel pipes for the oil, gas, chemical and power generating industries in an extremely wide variety of materials. This includes high and low-alloyed steels as well as stainless steel in addition to classic carbon steels. These pipes are manufactured in accordance with API, ASTM and EN norms as well as in accordance with individual customer requirements.

EEW Solutions for Process Pipes


Special applications

EEW Process Pipes find their application in constructions with extreme conditions. Whether it is the lowest or highest temperatures or extraordinary pressures, our pipes are technically and qualitative highly developed to meet these demanding conditions.

Process Pipes Inhouse Treatment

In-house treatment

In order to process the pipes after production according to various specifications, we have extensive in-house treatments, such as various heat treatments like induction heat treatment, stress relieving, normalising, quenching and tempering, soft annealing as well as solution annealing.

Process Pipes Testing

Testing facilities

To complete the comprehensive services in the production of our process pipes, we offer our customers a variety of testing options. On the one hand, these include destructive testing methods such as impact tests in our in-house laboratory. On the other hand, our non-destructive testing department tests all pipes according to customers’ requirements and specifications.

Other special services

NACE MR 0175 / ISO 15156

NACE TM 0284 (HIC)


Full Ring Test (OTI 95 635)

HIC / SSC acceptance criteria

other services according to customer requirements

Applications for Process Pipes

LNG Terminals
Petrochemical Plants
Petrochemical Plants
Power Plants
Power Plants

Pipe grades

check ASTM A671 including belonging supplementary requirement

check ASTM A672 including belonging supplementary requirement

check ASTM A691, including 5CR, 9CR, Grade 91, including belonging supplementary requirement

check API 5L including belonging supplementary requirement



year 2014-2016
customer John Zink Hamworthy Italy, Snamprogetti, Saipem, Cunado / Tecnicas Reunidas, SK Engineering, JGC, SEPCO Corp.
China, Furnace Eng. Japan
country Saudi Arabia
material API 5L Gr. BM / BN / BMS / BNS
ASTM A 387 Gr. 11 Cl. 1 / Gr. 22 Cl. 1 / Gr. 22 Cl. 2
ASTM A 516 Gr. 60 / 60 SOUR / 65 / 65 SOUR
dimensions diameter (mm): 508-2.438,4
wall thickness (mm): 7,92-76
tonnage 49.500 t

Marjan & Berri

year 2019-2021
customer McDermott Arabia, Snamprogetti, Aramco, LTHE, McDermott Middle East, Cunado, Technicas Reunidas
country Saudi Arabia
country API 5L Gr. X 60 MS / 65 MS / 65 M / 65 QS
API 5L Grade X52
ASTM A516 Gr. 60
dimensions diameter (mm): 406,4-1.524
wall thickness (mm): 7,92-65,81
max. length (mm): 12.000
tonnage 48.600 t

Rapid Project

year 2015-2017
costumer TEC, Cunado
country Malaysia

ASTM A 387 Gr. 11 Cl. 1 / Gr. 22 Cl.1 + 2 / Gr. 91 Cl. 2
ASTM A516 Gr. 65

dimensions diameter (mm): 457-2.641,6
wall thickness (mm): 7,92-42
tonnage 7.500 t


year 2017-2018
costumer Cunado, Petrofac
country Saudi Arabia
material API 5L Gr. B 
API 5L Gr. X 60 MS / BMS
ASTM A 516 Gr. 65 SOUR
dimensions diameter (mm): 660,4-1.930,4
wall thickness (mm): 9,53-60
tonnage 22.300t

Interested in our products?

Get in touch with our Sales Team.

Hendrik Frank

General Manager Sales | Line & Process Pipes

Martin Schön

Sales Manager | Process Pipes

Sylvia Kretzer

Sales Manager | Process Pipes

Sabine Kaschade

Sales Assistant | Line & Process Pipes

Carmen Hinkel

Sales Assistant | Line & Process Pipes