Precision seamless steel tubes for mechanical treatment – HPZ DIN 2391 St 52-3

Basic parameters

Product | Product application |
Standard
Dimensional standard
  • | Seamless precision steel tubes.
TDC
  • | Seamless precision steel tubes with special dimensional accuracy.
Steel grade
Surface coating
Dimensions
Dimensional table

Inside
diameter
Tolerance
of inside
diameter
OD x WT
Weight
[mm]
[mm]
[mm]
[kg/m]
40
50 x 5
5,55
-0,20 / -0,40
52 x 6
6,80
55 x 7,5
8,78
60 x 10
12,33
45

-0,20 / -0,40
55 x 5
6,16
57 x 6
7,55
60 x 7,5
9,71
65 x 10
13,56
50

-0,20 / -0,40
60 x 5
6,78
62 x 6
8,28
65 x 7,5
10,64
70 x 10
14,80
55

-0,20 / -0,50
65 x 5
7,40
67 x 6
9,03
70 x 7,5
11,56
75 x 10
16,03
60

-0,20 / -0,50
70 x 5
8,01
72 x 6
9,77
75 x 7,5
12,48
80 x 10
17,26
63

-0,20 / -0,50
73 x 5
8,38
75 x 6
10,21
78 x 7,5
13,04
83 x 10
18,00
65

-0,20 / -0,50
75 x 5
8,64
77 x 6
10,51
80 x 7,5
13,41
85 x 10
18,50
70

-0,20 / -0,50
80 x 5
9,25
82 x 6
11,25
85 x 7,5
14,33
90 x 10
19,73
75

-0,20 / -0,55
85 x 5
9,86
87 x 6
11,99
90 x 7,5
15,26
95 x 10
20,96
80

-0,20 / -0,55
90 x 5
10,48
92 x 6
12,72
95 x 7,5
16,18
100 x 10
22,20
85

-0,20 / -0,55
95 x 5
11,10
97 x 6
13,46
100 x 7,5
17,11
105 x 10
23,43
90

-0,25 / -0,70
100 x 5
11,71
102 x 6
14,20
105 x 7,5
18,03
110 x 10
24,66
100

-0,25 / -0,70
110 x 5
12,95
112 x 6
15,68
115 x 7,5
19,88
120 x 10
27,13
105

-0,25 / -0,75
115 x 5
13,56
117 x 6
16,42
120 x 7,5
20,81
125 x 10
28,36
110

-0,25 / -0,75
120 x 5
14,18
122 x 6
17,16
125 x 7,5
21,73
130 x 10
29,59
115
-0,25 / -0,75
125 x 5
14,80
127 x 6
17,90
130 x 7,5
22,66

Upon agreement also tubes with inside diameter 30 mm with WT 5 / 6 / 7,5 / 10 mm. Tolerances ID acording to agreement.
The tube weight according to the formula.

Chemical composition

C Si Mn P S Cr Ni
min 0 0 0
max 0.22 0.04 0.04
Mo Cu Al V Ti Nb Sn
min
max

Mechanical properties

Re (MPa) Re (ksi) Rm (MPa) Rm (ksi) A (%)
min 355 490 0 22
max - - 630 - -

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