Product portfolio
HALF TUBES &
COILED HALF TUBES
COILED HALF TUBES
Weld on half-tube profiles are used in the chemical, pharmaceutical, food and vehicle manufacturing industries for heating and cooling purposes and they find application in the fields of apparatus and vessel construction. The company Karl Theis GmbH is deemed to be the pioneer in manufacturing half tubes made of slit strips. We are thus able to implement our customers’ individual requirements on schedule and in a cost effective way.
Half tubes and coiled half tubes
CYLINDRICALLY
BENT HALF TUBES
Cylindrically bent half tubes
Dimensions
33,7 mm
48,3 mm
60,3 mm
76,1 mm
88,9 mm
114,3 mm
139,7 mm
Special profiles
114,3 mm (with reduced height, 28mm profile high outside)
100 / 30 mm
142 / 42 mm
Further products on request
Wall thickness
2,0–6,0 mm
Manufacturing lengths
up to max. 100 m without transverse joint
Individual solutions
Our in-house tool manufacturing facilities enable us to manufacture customized solutions/
special productions according to our customers’ specifications.
Welding Preparation
Without
Longitudinal edges 45° (internal/external)
on request
Half tubes and coiled half tubes
STRAIGHT HALF TUBES
Straight half tubes
Dimensions
33,7 mm
48,3 mm
60,3 mm
76,1 mm
88,9 mm
108,0 mm
114,3 mm
Special profiles
114,3 mm (with reduced height)
100 / 30 mm
Wall thickness
2,0–6,0 mm
Manufacturing lengths
According to customer’s specifications up to max. 20 m
Individual solutions
Our in-house tool manufacturing facilities enable us to manufacture customized solutions/special productions according to our customers’ specifications.
Welding Preparation
Without
Longitudinal edges 45° (internal/external)
on request
Half tubes and coiled half tubes
CONICALLY
BENT HALF TUBES
Conically bent half tubes
Dimensions
33,7 mm
48,3 mm
60,3 mm
76,1 mm
88,9 mm
114,3 mm
Wall thickness
2,0–6,0 mm
Types of execution
180° segments as loose types and/or tack-welded on bottoms/cones and vessels
Individual solutions
Our in-house tool manufacturing facilities enable us to manufacture customized solutions/special productions according to our customers’ specifications.
Welding Preparation
Without
Longitudinal edges 45° (internal/external)
on request
Materials used in the field of half tubes:
1 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)
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)
2 nickel base alloys:
2.4602 (Alloy C22), 2.4605 (Alloy 59), 2.4610 (Alloy C4)
2.4602 (Alloy C22), 2.4605 (Alloy 59), 2.4610 (Alloy C4)
3 titanium:
3.0725 (Titan Gr. 3)
3.0725 (Titan Gr. 3)
4 carbon steel:
P265GH (SA 516 Gr. 60), P275NH, P355NH, S355
P265GH (SA 516 Gr. 60), P275NH, P355NH, S355
Your contact to Karl Theis GmbH
YOU HAVE QUESTIONS
ABOUT HALF TUBES AND COILED HALF TUBES?
ABOUT HALF TUBES AND COILED HALF TUBES?
We will be happy to answer your questions about our product solutions as soon as possible.
Products and services
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