ROUND MECHANICAL TUBING – CARBON STEEL HF SMLS & ERW1, CD SMLS, DOM & Rystar2

ROUND MECHANICAL TUBING – CARBON STEEL
HF SMLS & ERW1, CD SMLS, DOM & Rystar2
Seamless meets ASTM A519
DOM & ERW meet ASTM A513
Rystar meets ASTM A512

Stock Lengths: 17 to 24 Ft. random
ERW: Generally 20′ 2″

OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
1
20
.035
.930
.3607
X
X
18
.049
.902
.498
X
X
17
.058
.884
.5835
X
16
.065
.870
.6491
X
X
15
.072
.856
.7136
X
14
.083
.834
.8129
X
X
13
.095
.810
.9182
X
X
X
12
.109
.782
1.0370
X
X
X
11
.120
.760
1.129
X
X
X
1/8
.125
.750
1.1680
X
10
.134
.732
1.2390
X
5/32
.156
.688
1.4060
X
X
3/16
.188
.625
1.6300
X
X
7/32
.219
.562
1.8270
X
X
X
1/4
.250
.500
2.0030
X
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
9/32
.281
.438
2.1580
X1
5/16
.312
.375
2.2970
X1
3/8
.375
.250
2.5030
X1
1-1/16
20
.035
.993
.4542
X
18
.049
.965
.5304
X
16
.065
.933
.6928
X
X
14
.083
.897
.8659
X
13
.095
.873
.9821
X
X
12
.109
.845
1.1110
X
11
.120
.823
1.2090
X
1/8
.125
.813
1.2520
X
10
.134
.795
1.3300
X
5/32
.156
.750
1.5110
X
3/16
.188
.687
1.7570
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
7/32
.219
.625
1.9740
X
1/4
.250
.562
2.1710
X
5/16
.312
.438
2.5030
X
1-1/8
20
.035
1.055
.4074
X
X
18
.049
1.027
.5630
X
X
17
.058
1.009
.6609
X
16
.065
.995
.7359
X
X
14
.083
.959
.9237
X
X
13
.095
.935
1.0450
X
12
.109
.907
1.1830
X
X
11
.120
.885
1.2880
X
X
X
1/8
.125
.875
1.3350
X
10
.134
.857
1.4180
X
5/32
.156
.813
1.6140
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
3/16
.188
.750
1.8810
X
X
7/32
.219
.688
2.1190
X
X
1/4
.250
.625
2.3360
X
X
5/16
.313
.500
2.7140
X1
3/8
.375
.375
3.0040
X1
1-3/16
16
.065
1.057
.7796
X
X
14
.083
1.022
.9795
X
13
.095
.998
1.1090
X
11
.120
.948
1.3690
X
5/32
.156
.875
1.7190
X
3/16
.188
.812
2.0080
X
7/32
.219
.750
2.2660
X
1/4
.250
.688
2.5010
X
5/16
.312
.562
2.9220
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
1-1/4
20
.035
1.180
.4540
X
X
18
.049
1.152
.6285
X
X
16
.065
1.120
.8226
X
X
14
.083
1.084
1.0340
X
X
13
.095
1.060
1.1720
X
X
12
.109
1.032
1.3280
X
X
X
11
.120
1.010
1.4480
X
X
X
1/8
.125
1.000
1.5020
X
10
.134
.982
1.5970
X
X
5/32
.156
.938
1.8230
X
X
3/16
.188
.875
2.1320
X
X
7/32
.219
.812
2.4110
X
X
1/4
.250
.750
2.6700
X
X
9/32
.281
.688
2.9080
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
5/16
.312
.625
3.1320
X
11/32
.344
.562
3.3290
X
3/8
.375
.500
3.5040
X1
7/16
.437
.375
3.7960
X1
1-5/16
20
.035
1.243
.4742
X
18
.049
1.215
.6580
X
16
.065
1.183
.8629
X
14
.083
1.147
1.0900
X
13
.095
1.123
1.2360
X
12
.109
1.094
1.4010
X
11
.120
1.073
1.5290
X
X
1/8
.125
1.063
1.5860
X
10
.134
1.044
1.6870
X
X
5/32
.156
1.000
1.938
X
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
3/16
.188
.937
2.259
X
7/32
.219
.875
2.559
X
1/4
.250
.813
2.837
X
X
9/32
.281
.751
3.097
X
5/16
.312
.687
3.343
X
3/8
.375
.563
3.757
X1
1-3/8
18
.049
1.277
.6939
X
X
17
.058
1.259
.8458
X
16
.065
1.245
.9094
X
X
14
.083
1.209
1.145
X
X
13
.095
1.185
1.299
X
12
.109
1.157
1.474
X
11
.120
1.135
1.608
X
X
1/8
.125
1.125
1.669
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
10
.134
1.107
1.776
X
5/32
.156
1.063
2.031
X
X
11/64
.171
1.031
2.210
X
3/16
.188
1.000
2.383
X
X
7/32
.219
.937
2.704
X
1/4
.250
.875
3.004
X
X
9/32
.281
.813
3.283
X
5/16
.312
.749
3.550
X
3/8
.375
.625
4.005
X
1-7/16
20
.035
1.368
.5206
X
18
.049
1.340
.7231
X
11
.120
1.198
1.689
X
1/8
.125
1.188
1.749
X
5/32
.156
1.125
2.136
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
3/16
.188
1.062
2.510
X
7/32
.219
1.000
2.851
X
1/4
.250
.938
3.172
X
1-1/2
20
.035
1.430
.5476
X
X
18
.049
1.402
.7593
X
X
16
.065
1.370
.9962
X
X
14
.083
1.334
1.256
X
X
13
.095
1.310
1.426
X
X
12
.109
1.282
1.619
X
X
X
11
.120
1.260
1.769
X
X
X
1/8
.125
1.250
1.836
X
10
.134
1.232
1.955
X
X
X
5/32
.156
1.188
2.239
X
X
3/16
.188
1.125
2.634
X
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
7/32
.219
1.062
2.996
X
X
15/64
.234
1.032
3.164
X
1/4
.250
1.000
3.338
X
X
9/32
.281
.938
3.658
X
5/16
.312
.875
3.968
X
X
11/32
.343
.813
4.247
X
3/8
.375
.750
4.506
X
X
7/16
.437
.625
4.960
X1
1/2
.500
.500
5.340
X1
1-9/16
16
.065
1.433
1.036
X
13
.095
1.372
1.489
X
11
.120
1.323
1.849
X
1/8
.125
1.313
1.916
X
10
.134
1.295
2.041
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
5/32
.156
1.251
2.344
X
3/16
.188
1.187
2.761
X
1/4
.250
1.063
3.506
X
5/16
.312
.937
4.179
X
3/8
.375
.812
4.758
X
1-5/8
20
.035
.1555
.5943
X
18
.049
1.527
.8248
X
X
17
.058
1.509
.9707
X
16
.065
1.495
1.083
X
X
14
.083
1.459
1.367
X
X
13
.095
1.435
1.552
X
12
.109
1.407
1.765
X
11
.120
1.385
1.929
X
X
X
1/8
.125
1.375
2.003
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
10
.134
1.357
2.134
X
5/32
.156
1.313
2.447
X
X
3/16
.188
1.250
2.885
X
X
7/32
.219
1.187
3.289
X
X
1/4
.250
1.125
3.671
X
X
9/32
.281
1.063
4.033
X
5/16
.312
1.000
4.386
X
3/8
.375
.875
5.006
X
7/16
.437
.750
5.553
X1
1/2
.500
.625
6.008
X1
1-11/16
16
.065
1.558
1.122
X
14
.083
1.522
1.418
X
1/8
.125
1.438
2.087
X
5/32
.156
1.375
2.552
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
3/16
.188
1.312
3.012
X
1/4
.250
1.188
3.838
X
1-3/4
20
.035
1.680
.6411
X
X
18
.049
1.652
.8902
X
X
16
.065
1.620
1.170
X
X
14
.083
1.584
1.478
X
X
13
.095
1.560
1.679
X
X
12
.109
1.532
1.910
X
X
X
11
.120
1.510
2.089
X
X
X
1/8
.125
1.500
2.169
X
10
.134
1.482
2.313
X
5/32
.156
1.438
2.656
X
X
3/16
.188
1.375
3.136
X
X
7/32
.219
1.312
3.581
X
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
1/4
.250
1.250
4.005
X
X
9/32
.281
1.188
4.409
X
5/16
.312
1.125
4.804
X
X
3/8
.375
1.000
5.507
X
X
.406
.406
.937
5.833
X
7/16
.437
.875
6.137
X
15/32
.469
.812
6.416
X
1/2
.500
.750
6.675
X1
9/16
.562
.625
7.134
X1
5/8
.625
.500
7.509
X1
1-13/16
1/8
.125
1.563
2.249
X
5/32
.156
1.501
2.761
X
3/16
.188
1.437
3.263
X
1/4
.250
1.313
4.173
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
1-7/8
18
.049
1.777
.9556
X
16
.065
1.745
1.257
X
X
14
.083
1.709
1.589
X
X
13
.095
1.685
1.806
X
X
12
.109
1.657
2.056
X
11
.120
1.635
2.249
X
1/8
.125
1.625
2.336
X
5/32
.156
1.563
2.864
X
X
3/16
.188
1.500
3.387
X
X
7/32
.219
1.437
3.873
X
X
1/4
.250
1.375
4.339
X
X
9/32
.281
1.313
4.784
X
5/16
.312
1.250
5.222
X
3/8
.375
1.125
6.008
X
OD
in
Inches
Wall Decimal
Equivalent
ID
in
Inches
Lbs.
per Ft.
CD
SMLS2
HF
SMLS1
DOM2 ERW1 Ry-Star
512 Extra2
7/16
.437
1.000
6.722
X
1/2
.500
.8750
7.340
X1
1-15/16
1/8
.125
1.688
2.415
X
5/32
.156
1.626
2.972
X
7/32
.219
1.500
4.021
X
1/4
.250
1.437
4.507
X
3/8
.375
1.188
6.258
X
1Generally produced to O.D. and wall dimensions.
2Generally produced to O.D. & I.D.
 
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