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Seamless steel tubes for heat exchangers DIN 28180 St 37.0

Basic parameters

Product | Product application |
Standard
Dimensional standard
  • | Seamless steel tubes for tubular heat exchangers.
TDC
  • | Seamless circular tubes of non-alloy steel with special quality requirements.
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 0 0 0 0 0
max 0.17 0 0 0.04 0.04 0 0
Mo Cu Al V Ti Nb Sn
min 0 0 0 0 0
max 0 0 0 0 0 0

Mechanical properties

Re (MPa) Re (ksi) Rm (MPa) Rm (ksi) A (%)
min 235 350 0 25
max - - 480 - -

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