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Stainless-steel-clad tubes

Stainless-steel-clad tubesOur stainless-steel-clad tubing duplex tubing manufactured by encasing welded carbon steel tubing
In a very thin stainless steel shell.
This conserves costly stainless steel and results in a cost saving of 20 percent to 50 percent compared with solid stainless steel pipe.The low cost of this product has led to rapid growth in the use of clad tubing,
Particularly for ornamental applications.
We have succeeded in further reducing production costs by developing a new device,the composite piping machine. This innovation has enabled us to establish ourselves as a leading producer of clad tubing.

Structure

Structure

Product Range

Item \ type MS type TC type
Material Outer tube Stainless steel Stainless steel
Inner tube Carbon steel tubes Carbon steel tubes
Outside diameter(mm) 12.7~38 20~35
Wall thickness(mm) Outer tube 0.1 0.3~0.8
Inner tube 0.8~1.0 1.0~3.2

Product size

MS type
O.D\W.t
(mm)
1.0 1.2
12.7 0.289 -
16 0.370 -
19 0.444 -
25 0.593 0.705
32 - 0.913
38 - 1.09
TC type
O.D\W.t
(mm)
1.3
(0.3+1.0)
1.5
(0.3+1.2)
2.6
(0.3+2.3)
3.1
(0.8+2.3)
4.0
(0.8+3.2)
20 - - 1.12 1.30 -
25 - - 1.44 1.68 -
28.6 - 1.00 - - -
30 - - 1.76 2.06 2.57
32 0.984 1.13 1.89 2.21 -
35 - - - 2.44 -

A figure in this table represents an approxlmate weight(kg/m) using the above material.
  • The regular length of MS type is 3.65m or 4m.
  • Special size tubes not listed in this table may be manufactured. Please inquire.

Surface polishing

Finish name Polishing specification
Longitudinal hair line Buffing (#80 to #180) longitudinally
Circumferential hair line Buffing (#180 to #250) circumferentially
Longitudinal mirror Buffing (#400 to #600) longitudinally
Circumferential mirror Buffing (#400 to #600) circumferentially

Dimensional Tolerance

Tolerances on outside diameter

Outside diameter(mm) Tolerance(mm)
O.D<20 +0.2
-0.25
O.D≥20 ±0.3

Tolerances on Length

Length(mm) Tolerance(mm)
L<2,000 +10
0
L≥2,000 +20
0

Tolerances on wall thickness

Wall thickness(mm) Tolerance(mm)
MS type ±0.22
TC type ±10%

Tolerances on Straightness

Length(mm) Tolerance(mm)
1,000 ≤1.0

Examples

Train handrails
Train Handrails
Clothe-drying poles
Clothe-Drying Poles

Bicycle handrails
Bicycle Handrails
Closet rails
Closet Rails

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