Product portfolio

Tube bends and bent components

Especially our fields of tube bends and bent components are based on many decades of know-how, offering a wide range of types and materials as well as non-destructive tests. You require non-standard tube bends and bent components? No problem for our segment and 3-rolls bending machines which use most modern CNC technology and conventional production ways for realising technical customized solutions in an optimized way. 

Tube bends / Bent components
Tube dimensions 6,0 - 323,9mm
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)
Types of execution Bends and multiple bends according to isometries / drawings
Manufacturing procedure CNC segment bending machines and conventional bending machines
CNC 3-rolls bending machines and conventional bending machines
Special machines for manufacturing standardised bends
Our customers’ individual requirements can be realised by way of our in-house tool manufacturing department
Surface treatment Pickling
Powder coating
Mechanical processing Welding Preparation
Mitre cuts
Laser machining
Heat treatment Normalizing to stress relieve annealing in the bending area
Tests Out-of-roundness and wall thickness measuring
Surface crack detection
Technological/metallurgical control
Acceptances TÜV Nord / Süd
Lloyds Register
Germanischer Lloyd
Acceptance authority according to customer’s specification

Wolfgang Wisser

E-Mail: w.wisser[at]

Karl Theis GmbH
Breite Straße 11 | 57076 Siegen

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

You would like to ask any questions about this product?