Precision seamless steel tubes for automotive industry ASTM A 519 1018

Basic parameters

Product | Product application |
Standard
Dimensional standard
  • | Seamless carbon and alloy steel mechanical tubing.
TDC
  • | Seamless carbon and alloy steel mechanical tubing.
Steel grade
Surface coating | | | |
Dimensions
Dimensional table

Sizes and weights of cold drawn tubes acc. to ASTM A/SA-999 - average WT
Sizes and weights of CD tubes acc. to ASTM A/SA-450 and A/SA-1016 - minimal WT

Outside
Tube weight in lb/ft with wall thickness [gauge / inches / mm]
diameter
25g
20g
18g
16g
14g
13g
12g
11g
10g
9g
5/32
3/16
7/32
1/4
9/32
5/16
3/8
.020
.035
.049
.065
.083
.095
.109
.120
.134
.148
.156
.188
.219
.250
.281
.313
.375
[mm]
[inch]
0,51
0,89
1,24
1,64
2,11
2,41
2,77
3,05
3,40
3,76
3,96
4,78
5,56
6,35
7,14
7,95
9,53
6,35
1/4" (.250)
.049
.080
.105
.128
9,53
3/8" (.375)
.075
.127
.170
.215
.258
.284
12,70
1/2" (.500)
.102
.173
.236
.302
.369
.410
.445
.487
15,88
5/8" (.625)
.301
.388
.480
.537
.600
.647
19,05
3/4" (.750)
.366
.475
.591
.664
.746
.807
22,23
7/8" (.875)
.432
.562
.702
.791
.891
.967
1.060
25,40
1" (1.000)
.497
.649
.812
.918
1.037
1.128
1.239
1.346
1.406
28,58
1 1/8" (1.125)
.563
.735
.923
1.045
1.183
1.288
1.418
1.544
1.614
31,75
1 1/4" (1.250)
.628
.822
1.034
1.172
1.328
1.448
1.597
1.741
1.832
2.132
34,93
1 3/8" (1.375)
.693
.909
1.145
1.299
1.437
1.608
1.776
1.939
2.031
2.383
2.704
3.004
38,10
1 1/2" (1.500)
.759
.996
1.256
1.426
1.619
1.769
1.955
2.137
2.239
2.634
2.996
3.338
3.658
41,28
1 5/8" (1.625)
1.083
1.369
1.552
1.764
1.929
2.133
2.334
2.447
2.885
3.289
3.671
4.033
44,45
1 3/4" (1.750)
1.170
1.478
1.679
1.910
2.089
2.313
2.532
2.656
3.136
3.581
4.005
4.409
4.804
47,63
1 7/8" (1.875)
1.257
1.589
1.806
2.055
2.249
2.491
2.729
2.864
3.387
3.873
4.339
4.784
5.222
50,80
2" (2.000)
1.343
1.699
1.933
2.201
2.409
2.670
2.927
3.072
3.638
4.166
4.673
5.159
5.639
6.508
53,98
2 1/8" (2.125)
1.430
1.809
2.060
2.346
2.569
2.849
3.125
3.281
3.889
4.458
5.006
5.534
6.057
7.009
57,15
2 1/4" (2.250)
1.517
1.921
2.186
2.492
2.730
3.027
3.322
3.489
4.140
4.750
5.340
5.909
6.475
7.509
60,33
2 3/8" (2.375)
1.604
2.031
2.313
2.638
2.890
3.207
3.520
3.697
4.391
5.043
5.674
6.284
6.893
8.010
63,50
2 1/2" (2.500)
1.690
2.143
2.440
2.783
3.050
3.385
3.717
3.905
4.642
5.335
6.008
6.659
7.311
8.511
66,68
2 5/8" (2.625)
1.777
2.253
2.567
2.928
3.210
3.565
3.915
4.114
4.893
5.627
6.341
7.035
7.729
9.011
69,85
2 3/4" (2.750)
1.864
2.364
2.699
3.074
3.371
3.743
4.112
4.322
5.144
5.920
6.675
7.409
8.147
9.512
73,03
2 7/8" (2.875)
1.951
2.474
2.820
3.220
3.671
3.922
4.310
4.530
5.395
6.212
7.009
7.785
8.564
10.01
76,20
3" (3.000)
2.037
2.586
2.947
3.365
3.691
4.102
4.508
4.739
5.646
6.505
7.342
8.160
8.982
10.51
79,38
3 1/8" (3.125)
2.124
2.696
3.074
3.510
3.851
4.208
4.705
4.947
5.897
6.797
7.676
8.535
9.400
11.01
82,55
3 1/4" (3.250)
2.211
2.807
3.200
3.656
4.011
4.458
4.903
5.155
6.148
7.089
8.010
8.910
9.818
11.51
88,90
3 1/2" (3.500)
3.029
3.455
3.947
4.332
4.817
5.298
5.571
6.650
7.674
8.678
9.660
10.65
12.52
92,08
3 5/8" (3.625)
3.139
3.582
4.092
4.492
4.996
5.495
5.780
6.901
7.966
9.011
10.04
11.07
13.02
95,25
3 3/4" (3.750)
3.251
3.708
4.238
4.652
5.174
5.693
5.988
7.152
8.258
9.345
10.41
11.49
13.52
101,60
4" (4.000)
3.472
3.962
4.529
4.972
5.532
6.088
6.404
7.344
8.843
10.01
11.16
12.33
14.52
104,78
4 1/8" (4.125)
6.613
7.905
9.135
10.69
11.53
12.74
15.02
107,95
4 1/4" (4.250)
9.428
10.86
11.91
13.16
15.52
114,30
4 1/2" (4.500)
10.01
11.35
12.66
14.00
16.52
120,65
4 3/4" (4.750)
10.60
12.01
13.41
14.83
17.52

Outside
Tube weight in kg/m with wall thickness [gauge / inches / mm]
diameter
25g
20g
18g
16g
14g
13g
12g
11g
10g
9g
5/32
3/16
7/32
1/4
9/32
5/16
3/8
.020
.035
.049
.065
.083
.095
.109
.120
.134
.148
.156
.188
.219
.250
.281
.313
.375
[mm]
[inch]
0,51
0,89
1,24
1,64
2,11
2,41
2,77
3,05
3,40
3,76
3,96
4,78
5,56
6,35
7,14
7,95
9,53
6,35
1/4" (.250)
0,073
0,119
0,156
0,190
9,53
3/8" (.375)
0,112
0,189
0,253
0,320
0,384
0,423
12,70
1/2" (.500)
0,152
0,257
0,351
0,449
0,549
0,610
0,662
0,725
15,88
5/8" (.625)
0,448
0,577
0,714
0,799
0,893
0,963
19,05
3/4" (.750)
0,545
0,707
0,880
0,988
1,110
1,201
22,23
7/8" (.875)
0,643
0,836
1,045
1,177
1,326
1,439
1,577
25,40
1" (1.000)
0,740
0,966
1,208
1,366
1,543
1,679
1,844
2,003
2,092
28,58
1 1/8" (1.125)
0,838
1,094
1,374
1,555
1,760
1,917
2,110
2,298
2,402
31,75
1 1/4" (1.250)
0,935
1,223
1,539
1,744
1,976
2,155
2,377
2,591
2,726
3,173
34,93
1 3/8" (1.375)
1,031
1,353
1,704
1,933
2,138
2,393
2,643
2,886
3,022
3,546
4,024
4,470
38,10
1 1/2" (1.500)
1,130
1,482
1,869
2,122
2,409
2,633
2,909
3,180
3,332
3,920
4,459
4,967
5,444
41,28
1 5/8" (1.625)
1,612
2,037
2,310
2,625
2,871
3,174
3,473
3,642
4,293
4,895
5,463
6,002
44,45
1 3/4" (1.750)
1,741
2,200
2,499
2,842
3,109
3,442
3,768
3,953
4,667
5,329
5,960
6,561
7,149
47,63
1 7/8" (1.875)
1,871
2,365
2,688
3,058
3,347
3,707
4,061
4,262
5,040
5,764
6,457
7,119
7,771
50,80
2" (2.000)
1,999
2,528
2,877
3,275
3,585
3,973
4,356
4,572
5,414
6,200
6,954
7,677
8,392
9,685
53,98
2 1/8" (2.125)
2,128
2,692
3,066
3,491
3,823
4,240
4,651
4,883
5,787
6,634
7,450
8,235
9,014
10,431
57,15
2 1/4" (2.250)
2,258
2,859
3,253
3,708
4,063
4,505
4,944
5,192
6,161
7,069
7,947
8,794
9,636
11,175
60,33
2 3/8" (2.375)
2,387
3,022
3,442
3,926
4,301
4,773
5,238
5,502
6,535
7,505
8,444
9,352
10,258
11,920
63,50
2 1/2" (2.500)
2,515
3,189
3,631
4,142
4,539
5,037
5,531
5,811
6,908
7,939
8,941
9,910
10,880
12,666
66,68
2 5/8" (2.625)
2,644
3,353
3,820
4,357
4,777
5,305
5,826
6,122
7,282
8,374
9,436
10,469
11,502
13,410
69,85
2 3/4" (2.750)
2,774
3,518
4,017
4,575
5,017
5,570
6,119
6,432
7,655
8,810
9,933
11,026
12,124
14,155
73,03
2 7/8" (2.875)
2,903
3,682
4,197
4,792
5,463
5,837
6,414
6,741
8,029
9,244
10,431
11,585
12,745
14,896
76,20
3" (3.000)
3,031
3,848
4,386
5,008
5,493
6,104
6,709
7,052
8,402
9,680
10,926
12,143
13,367
15,641
79,38
3 1/8" (3.125)
3,161
4,012
4,575
5,223
5,731
6,262
7,002
7,362
8,776
10,115
11,423
12,701
13,989
16,385
82,55
3 1/4" (3.250)
3,290
4,177
4,762
5,441
5,969
6,634
7,296
7,671
9,149
10,550
11,920
13,260
14,611
17,129
88,90
3 1/2" (3.500)
4,508
5,142
5,874
6,447
7,168
7,884
8,291
9,896
11,420
12,914
14,376
15,849
18,632
92,08
3 5/8" (3.625)
4,671
5,331
6,090
6,685
7,435
8,177
8,602
10,270
11,855
13,410
14,941
16,474
19,376
95,25
3 3/4" (3.750)
4,838
5,518
6,307
6,923
7,700
8,472
8,911
10,643
12,289
13,907
15,492
17,099
20,120
101,60
4" (4.000)
5,167
5,896
6,740
7,399
8,233
9,060
9,530
10,929
13,160
14,896
16,608
18,349
21,608
104,78
4 1/8" (4.125)
9,841
11,764
13,594
15,908
17,158
18,959
22,352
107,95
4 1/4" (4.250)
14,030
16,161
17,724
19,584
23,096
114,30
4 1/2" (4.500)
14,896
16,891
18,840
20,834
24,584
120,65
4 3/4" (4.750)
15,774
17,873
19,956
22,069
26,073


Chemical composition

C Si Mn P S Cr Ni
min 0.15 0.6 0 0
max 0.2 0.9 0.04 0.05
Mo Cu Al V Ti Nb Sn
min
max

Mechanical properties

Re (MPa) Re (ksi) Rm (MPa) Rm (ksi) A (%)
min
max - - - -

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