TPT May 2016

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May 2016 25
T E CHNOLOG Y
Turnkey
production
lines for
pipelines
SCHULER develops turnkey production
lines for large pipes, for pipeline
applications in crude oil, natural gas,
water, petrochemical industry, wind
energy systems and construction
industry.
The company is delivering two spiral
pipe mills to Mexico and Saudi Arabia,
and an existing line in Canada is being
completely modernised.
The mills for Mexico and Saudi Arabia
are offline spiral pipe lines for the
production of large pipes with diameters
from 508 to 2,235mm (20" to 88") and
lengths of 12 to 24.4m. The pipes are
made from high-grade steel (up to X100)
with thicknesses of up to 25.4mm, which
is wound onto coils. This is formed into
a spiral tube and submerged arc welded
to a spiral welded pipe.
The coil preparation stand ensures
short changeover times, a high degree
of safety, and an exact 90° cut at the
beginning of the coil.
Crane transfers are no longer
necessary. At the forming station, all
relevant steps are automated: the
settings are no longer made manually,
but entered directly via the easy-to-use
control panel and then implemented
with the aid of servo motors. The outer
or inner diameter calibration system
ensures consistently reproducible
product quality.
With a total length of 450m, the two
pipe plants also feature various devices
to test the large pipes in accordance
with the API standard. This entails the
use of ultrasonic, X-ray and hydrotester
stands.
In cooperation with Swiss company
MaurerMagnetic, Schuler hasdeveloped
a process that can demagnetise large
pipes during production. This prevents
deflection of the arc during welding and
ensures the quality of the welds, enabling
them to withstand the guaranteed
loads.
Schuler provides presses, automation,
dies, process know-how and services
for the metal forming industry and
lightweight vehicle construction. Its
clients include car manufacturers and
their suppliers, as well as companies
in the forging, household equipment,
packaging, energy and electrical
industries.
Schuler AG – Germany
Fax: +49 7161 66 233
Website:
The plants can produce large
pipes with lengths of up to 24.4m
Schuler develops turnkey production lines for large pipes
Production of two offline spiral pipe lines destined for Mexico and Saudi Arabia
Photo credit: Schuler
Photo credit: Schuler
Photo credit: Schuler