Seamless steel tubes for heat exchangers DIN 28180 St 35.8

Basic parameters

Product | Product application |
Standard
Dimensional standard
  • | Seamless steel tubes for tubular heat exchangers.
TDC
  • | Seamless steel tubes for elevated temperatures.
Steel grade
Surface coating
Dimensions
Dimensional table

Outside
Wall thickness [mm]
diameter
1,2
1,6
2
2,6
3,2
4
4,5
5
[mm]
Tube weight [kg/m]
16
0,438
0,568
0,691
20
0,726
0,888
1,12
25
0,923
1,13
1,44
1,72
30
1,12
1,38
1,76
2,11
2,56
38
1,78
2,27
2,75
3,35
51 (50)
2,42
3,1
3,77
4,64
5,16
5,67

Cold drawn heat exchangers tubes (sizes in inches)

Chemical composition

C Si Mn P S Cr Ni
min 0 0.1 0 0 0 0 0
max 0.17 0.35 0.8 0.04 0.04 0 0
Mo Cu Al V Ti Nb Sn
min 0.4 0 0 0 0
max 0 0 0 0 0 0

Mechanical properties

Re (MPa) Re (ksi) Rm (MPa) Rm (ksi) A (%)
min 235 360 0 25
max - - 480 - -

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