Erne Fittings GmbH

Austria

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Erne Fittings GmbH, founded in 1920 in Schlins, Vorarlberg, is a globally active Austrian manufacturer of high-grade butt-weld fittings and industrial pipe connections. The company operates domestic manufacturing sites in Schlins and Mürzzuschlag, as well as international entities.

Erne Fittings is globally recognized for supplying specialized piping components for high-pressure, high-temperature, and approval-mandated applications across energy infrastructure and plant engineering.

Key organizational highlights include:

Proprietary in-house testing laboratory (ernelab) and heat treatment infrastructure
Approved supplier to international energy leaders including Shell, Saudi Aramco, OMV, and ExxonMobil
Compliance with global nuclear and pressure equipment standards (EN 10253, ASME/ASTM, ISO 9001)

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Erne Fittings specializes in hot and cold forming processes for heavy-duty pipe connections:

Liquid Bulge Forming (Hydroforming / IHU): Cold hydroforming process where steel pipe sections are clamped into dies, flooded with high-pressure process water, and axially compressed to expand tees with uniform wall thicknesses and optimal metallurgical grain flow.
Butt-Weld Fittings Range: Manufacturing of seamless and welded elbows (using mandrel bending and EPC procedures), eccentric/concentric reducers, and T-pieces.
Heat Treatment: Solution annealing, normalizing, quenching, and tempering tailored to nuclear and refinery pressure standards.
Materials: Carbon steels, low-temperature steels, high-yield pipeline grades, austenitic stainless steels, duplex/super duplex alloys, and nickel-base alloys.
Testing & Quality Control: Mechanical destructive testing, spectral analysis, ultrasonic and radiographic non-destructive examination.

Erne Fittings GmbH

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