Product portfolio

TUBE COILS AND TUBE SYSTEMS

Our range of products comprises simple structures of coiled tubes up to complex coiled tube systems. Our decades of experience in the fields of assembly and welding technology make us stand out. We will be pleased to provide you with comprehensive advice from the design up to the final acceptance of individual components. 

Tube coils / Tube systems
Tube dimensions 6,0 – 114,3 mm
Materials Carbon steel: P235GH, 16Mo3, 13CrMo44, P275NH, P355NH, S355
Stainless steel:: 1.4301 (TP304), 1.4307 (TP 304L), 1.4404 (TP 316L), 1.4541 (TP 321), 1.4571 (TP 316 Ti), 1.4462 (S31803), 1.4539 (904L), 1.4876 (Alloy 800)
Copper
Nickel
Titanium
Types of execution Cylindrically bent (single-pass, multi-pass)
Conically bent (single-pass, multi-pass)
Mounted on vessel
Meander-shaped
Flat coils
Welding technology TIG-welding
Only in-house certified welders according to EN ISO 9606-1
Welding supervision by certified welding experts
Non-destructive testing Radiographic test
Leak test
Surface crack detection
Vacuum testing
Endoscopy
Surface treatment Pickling
Passivating
Blasting
Grinding
Testing Out-of-roundness and wall thickness measuring
Surface crack detection
X-ray
Ultrasound
Endoscopy
Technological/metallurgical control
Acceptances TÜV Nord / Süd
Lloyds Register
Germanischer Lloyd
Acceptance authority according to customer’s specification
Tube coils (900/1150/1499 mm bending diameter), tube dim. 38,0 x 3,0 mm, quality 1.4571
Tube system made of tubes dim. 60,30 x 3,0 mm/323,9 x 6,3 mm, quality 1.4541
Tube coil 2000/2400 mm bending diameter, tube dim. 88,90 x 3,2 mm, quality 1.4541
Tube coil 500/650/800 mm bending diameter, tube dim. 48,30 x 3,2 mm, quality 1.4571
Tube coil 500/650/800 mm bending diameter, tube dim. 48,30 x 3,2 mm, quality 1.4571
Tube coils 100 mm bending diameter, tube dim. 16,0 x 2,0 mm, quality 1.4571
Tube coil 360/480/600 mm bending diameter, tube dim. 51,0 x 2,9/4,0 mm, quality 1.4571
Tube coil 360/480/600 mm bending diameter, tube dim. 51,0 x 2,90/4,00 mm, quality 1.4571, Tube coil 444/506/568/630 mm bending diameter, tube dim. 25,00 x 2,00 mm, quality 1.4571
Tube system, tube dim. 26,7 x 2,87 mm/21,3 x 2,77 mm, quality TP 316 Ti
Tube coil 300 mm bending diameter, tube dim. 33,7 x 3,2 mm, quality 1.4539

Wolfgang Wisser

E-Mail: w.wisser[at]theis-tubes.com

Karl Theis GmbH
Breite Straße 11 | 57076 Siegen

Telephone: +49 (0) 271 / 7 72 85 - 16
Telefax: +49 (0) 271 / 7 72 85 - 99

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