Changzhou Tengyue has specilized in manufacturing stainless steel seamless pipe and tube since 1991.
We are one of the largest and best manufacturer of stainless steel tube for heat exchanger in China.
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GOST 14162-79. Steel Tubes of Small Dimensions (Capillary)
Outside Diameter: 0,3 - 5 mm
(0,3; 0,32; 0,36; 0,4; 0,45; 0,5; 0,55; 0,6; 0,7; 0,8; 0,9; 1; 1,2; 1,4; 1,5; 1,6; 1,8; 2; 2,2; 2,4; 2,5; 2,8; 3)

Wall Thickness: 0,1 - 1,6 mm
(0,1; 0,12; 0,15; 0,16; 0,18; 0,2; 0,22; 0,25; 0,28; 0,30; 0,32; 0,35; 0,36; 0,38; 0,40; 0,45; 0,50; 0,55; 0,6; 0,7; 0,8; 0,9; 1; 1,1; 1,2; 1,3; 1,4; 1,5; 1,6)

Accuracy: ordinary and inc. acc.

Notes:
  1. Steel grades: 12Cr18Ni9, 08Cr18Ni10Ti, 12Cr18Ni10Ti.
  2. Random and fixed length - 0.3 - 4 m.
  3. Delivery of pipes with control of inside diameter and wall thickness - subject to agreement.
  4. The following scope of tests are available upon Customer request: stability against intercrystal corrosion , on pneumatic test with air pressure not less than 6 bar. Pipes with outside diameter over 1 mm are tested on flattening, on bending and on control of grain's size.
  5. Pipes can be delivered cold hardened (without heat treatment).

Sizes
OD, mm
WT, mm
OD, mm
WT, mm
OD, mm
WT, mm
0,3; 0,32
0,1
0,8
0,1 - 0,32
2
0,1 - 0,9
0,36; 0,4
0,1; 0,12
0,9
0,1 - 0,36
2,2; 2,4
0,1 - 1,0
0,45
0,1 - 0,16
1
0,1 - 0,45
2,5; 2,8
0,1 - 1,2
0,5
0,1 - 0,2
1,2
0,1 - 0,55
3; 3,2
0,1 - 1,4
0,55
0,1 - 0,22
1,4; 1,5
0,1 - 0,6
3,4 - 5
0,1 - 1,6
0,6
0,1 - 0,25
1,6
0,1 - 0,7
 
 
0,7
0,1 - 0,28
1,8
0,1 - 0,8
 
 

Mechanical properties
Steel Grade
Tensile Strength, N/mm2 (min)
Yield Strength, N/mm2 (min)
Elongation, % (min)
08Cr18Ni10Ti
by agreement
12Cr18Ni9
529
-
37
12Cr18Ni10Ti
549
-
35

Chemical Composition (%, max)
Steel Grade
C
Si
Mn
Cr
Ni
S
P
Ti
08Cr18Ni10Ti
0,08
0,8
2
17-19
9-11
0,02
0,035
5*C-0,7
12Cr18Ni9
0,12
0,8
2
17-19
8-10
0,02
0,035
-
12Cr18Ni10Ti
0,12
0,8
2
17-19
9-11
0,02
0,035
5*C-0,8


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