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Seamless steel tubes for heat exchangers ČSN 42 6710 12 022

Basic parameters

Product | Product application |
Standard
Dimensional standard
  • | Cold drawn seamless tubes with normal tolerances from steel class 11 - 16.
TDC
  • | Seamless steel tubes with guaranteed properties of elevated temperatures.
Steel grade
Surface coating
Dimensions
Dimensional table

Outside
Wall thickness [mm]
diameter
0,5
1,0
1,5
2,0
2,5
3,0
3,5
4,0
4,5
5,0
5.5
6,0
7,0
8,0
9,0
10,0
11.0
12.0
12.5
[mm]
Tube weight [kg/m]
4
0,043
0,074
 
5
0,055
0,099
 
6
0,068
0,123
0,166
0,197
 
7
0,080
0,148
0,203
0,247
 
8
0,093
0,173
0,240
0,296
0,339
0,370
 
9
0,105
0,197
0,277
0,345
0,401
0,444
 
10
0,117
0,222
0,314
0,395
0,462
0,518
0,561
 
12
0,142
0,271
0,388
0,493
0,586
0,666
0,734
0,789
 
14
0,166
0,321
0,462
0,592
0,709
0,814
0,906
0,986
1,054
1,110
 
15
0,179
0,345
0,499
0,641
0,771
0,888
0,993
1,085
1,165
1,233
 
16
0,191
0,370
0,536
0,691
0,832
0,962
1,079
1,184
1,276
1,356
 
18
0,216
0,419
0,610
0,789
0,956
1,110
1,252
1,381
1,498
1,603
 
20
0,240
0,469
0,684
0,888
1,079
1,258
1,424
1,578
1,720
1,850
1,967
2,071
 
22
0,265
0,518
0,758
0,986
1,202
1,406
1,597
1,777
1,942
2,096
2,240
2,367
 
24
0,290
0,567
0,832
1,085
1,326
1,554
1,769
1,973
2,164
2,343
2,509
2,663
 
25
0,302
0,592
0,869
1,134
1,387
1,628
1,856
2,072
2,275
2,446
2,645
2,811
 
26
0,314
0,617
0,906
1,184
1,449
1,702
1,942
2,170
2,386
2,590
2,780
2,959
 
28
0,666
0,980
1,282
1,572
1,850
2,115
2,368
2,608
2,836
3,052
3,255
 
30
0,715
1,054
1,381
1,695
1,988
2,287
2,565
2,830
3,083
3,323
3,551
3,970
 
32
0,764
1,128
1,480
1,819
2,146
2,460
2,762
3,052
3,329
3,594
3,847
4,316
4,735
 
35
0,838
1,239
1,628
2,004
2,367
2,719
3,058
3,385
3,699
4,001
4,291
4,834
5,327
 
36
0,863
1,276
1,677
2,065
2,441
2,805
3,157
3,496
3,822
4,137
4,439
5,006
5,524
 
38
0,912
1,350
1,766
2,189
2,589
2,978
3,354
3,718
4,069
4,408
4,735
5,352
5,919
 
40
0,962
1,424
1,874
2,312
2,737
3,150
3,551
3,940
4,316
4,680
5,031
5,697
6,313
6,880
7,398
7,867
 
42
1,011
1,498
1,973
2,435
2,885
3,323
3,749
4,162
4,562
4,951
5,327
6,042
6,708
7,324
7,892
8,410
 
45
1,085
1,609
2,120
2,620
3,107
3,582
4.044
4,494
4,932
5,358
5,770
6,560
7,300
7,990
8,631
9,223
 
46
1,110
1,646
2,170
2,682
3,181
3,668
4,143
4,605
5,055
5,493
5,919
6,733
7,497
8,212
8,878
9,949
 
48
1,159
1,720
2,269
2,805
3,329
3,841
4,340
4,827
5,302
5,764
6,215
7,078
7,892
8,656
9,371
10,04
 
50
1,208
1,794
2,368
2,929
3,477
4,014
4,538
5,049
5,549
6,036
6,511
7,423
8,286
9,100
9,864
10,58
11,25
  
52
1,868
2,466
3,052
3,625
4,188
4,735
5,271
5,795
6,307
6,807
7,768
8,681
9,544
10,36
11,12
11,84
  
55
1,979
2,614
3,237
3,847
4,445
5,031
5,604
6,165
6,714
7,250
8,286
9,273
10,21
11,10
11,94
12,73
  
58
2,090
2,762
3,422
4,069
4,704
5,327
5,937
6,535
7,121
7,694
8,804
9,865
10,88
11,84
12,75
13,61
 13,101
60
2,164
2,861
3,545
4,217
4,877
5,524
6,159
6,782
7,392
7,990
9,149
10,26
11,32
12,33
13,29
14,21
 14,026
62
2,238
2,959
3,668
4,365
5,049
5,721
6,381
7,028
7,663
8,286
9,495
10,65
11,76
12,82
13,84
14,80
 14,643
65
2,349
3,107
3,853
4,587
5,308
6,017
6,714
7,398
8,070
8,730
10,01
11,25
12,43
13,56
14,65
15,68
 15,259
70
2,534
3,354
4,162
4,957
5,740
6,511
7,269
8,015
8,749
9,470
10,88
12,23
13,54
14,80
16,01
17,16
 16,184
75
2,719
3,601
4,470
5,327
6,172
7,004
7,824
8,632
9,427
10,21
11,74
13,22
14,65
16,03
17,36
18,64
 17,725
80
2,904
3,874
4,778
5,697
6,603
7,497
8,379
9,248
10,11
10,95
12,60
14,21
15,76
17,26
18,72
20,12
 19,267
85
3,089
4,094
5,086
6,067
7,035
7,990
8,934
9,865
10,78
11,69
13,47
15,19
16,87
18,50
20,07
21,60
 20,808
90
3,274
4,340
5,395
6,437
7,466
8,484
9,489
10,48
11,46
12,43
14,33
16,18
17,98
19,73
21,43
23,08
 22,349
95
4,587
5,703
6,807
7,898
8,977
10,04
11,10
12,14
13,17
15,19
17,16
19,09
20,96
22,79
24,56
 23,891
100
4,834
6,011
7,176
8,329
9,470
10,60
11,71
12,82
13,91
16,06
18,15
20,20
22,20
24,14
26,04
 26,974
110
5,327
6,628
7,916
9,193
10,46
11,71
12,95
14,17
15,39
17,78
20,12
22,42
24,66
26,86
29,00
 30,056
120
5,820
7,244
8,656
10,06
11,44
12,82
14,18
15,53
16,87
19,51
22,10
24,64
27,13
29,57
31,96
 33,139
125
9,026
10,49
11,94
13,37
14,80
16,21
17,61
20,37
23,08
25,75
28,36
30,93
33,44
 34,680


Chemical composition

C Si Mn P S Cr Ni
min 0.15 0.17 0.5 0 0 0 0
max 0.22 0.35 0.8 0.04 0.04 0.25 0.25
Mo Cu Al V Ti Nb Sn
min
max 0.25

Mechanical properties

Re (MPa) Re (ksi) Rm (MPa) Rm (ksi) A (%)
min 255 410 0 21
max - - 570 - -

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