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5″ to 7″ ROUND MECHANICAL TUBING – CARBON STEEL

Page List: Round Mechanical Tubing

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
512²

5″

O.D.x

16

.065

4.870

3.426

X

14

.083

4.834

4.359

X

11

.120

4.760

6.254

X

1/8

.125

4.750

6.508

X

5/32

.156

4.688

8.071

X

7

.180

4.640

9.266

X

3/16

.188

4.625

9.662

X

1/4

.250

4.500

12.680

X

X

5/16

.312

4.375

15.670

X

3/8

.375

4.250

18.520

X

7/16

.437

4.125

21.340

X

1/2

.500

4.000

24.030

X

9/16

.562

3.875

26.680

X

5/8

.625

3.750

29.200

X

OD
in
Inches

Wall

Decimal
Equivalent

ID
in
Inches

Lbs.
per Ft.

CD
SMLS²

HF
SMLS¹

DOM²

ERW¹

Ry-Star
512²

3/4

.750

3.500

34.040

X

7/8

.875

3.250

38.550

X

1

1.000

3.000

42.720

X

1 1/8

1.125

2.750

46.560

X

1 1/4

1.250

2.500

50.060

X

1 1/2

1.500

2.000

56.070

X

5 1/8″

O.D.x

5/16

.312

4.500

16.090

X

3/8

.375

4.375

19.020

X

1/2

.500

4.125

24.700

X

5/8

.625

3.875

30.040

X

5 1/4″

O.D.x

11

.120

5.010

6.575

X

1/8

.125

5.000

6.815

X

3/16

.188

4.875

10.160

X

OD
in
Inches

Wall

Decimal
Equivalent

ID
in
Inches

Lbs.
per Ft.

CD
SMLS²

HF
SMLS¹

DOM²

ERW¹

Ry-Star
512²

1/4

.250

4.750

13.350

X

5/16

.312

4.625

16.500

X

3/8

.375

4.500

19.520

X

1/2

.500

4.250

25.370

X

5/8

.625

4.000

30.870

X

3/4

.750

3.750

36.050

X

7/8

.875

3.500

4.0880

X

1

1.000

3.250

45.390

X

1 1/4

1.250

2.750

53.400

X

5 3/8″

O.D.x

3/16

.188

5.000

10.410

X

1/4

.250

4.875

13.680

X

5 1/2″

O.D.x

16

.065

5.370

3.773

X

11

.120

5.260

6.895

X

X

OD
in
Inches

Wall

Decimal
Equivalent

ID
in
Inches

Lbs.
per Ft.

CD
SMLS²

HF
SMLS¹

DOM²

ERW¹

Ry-Star
512²

1/8

.125

5.250

7.176

X

3/16

.188

5.125

10.670

X

1/4

.250

5.000

14.020

X

.255

.255

4.990

14.280

X

5/16

.312

4.875

17.340

X

3/8

.375

4.750

20.530

X

7/16

.437

4.625

23.650

X

1/2

.500

4.500

26.700

X

5/8

.625

4.250

32.540

X

3/4

.750

4.000

38.050

X

7/8

.875

3.750

43.220

X

1

1.000

3.500

48.060

X

1 1/4

1.250

3.000

56.740

X

1 1/2

1.500

2.500

64.080

X

5 5/8″

O.D.x

OD
in
Inches

Wall

Decimal
Equivalent

ID
in
Inches

Lbs.
per Ft.

CD
SMLS²

HF
SMLS¹

DOM²

ERW¹

Ry-Star
512²

5/16

.312

5.000

17.760

X

3/8

.375

4.875

21.030

X

1/2

.500

4.625

27.370

X

5/8

.625

4.375

33.380

X

5 3/4″

O.D.x

11

.120

5.510

7.215

X

3/16

.188

5.375

11.170

X

1/4

.250

5.250

14.690

X

3/8

.375

5.000

21.530

X

1/2

.500

4.750

28.040

X

5/8

.625

4.500

34.210

X

3/4

.750

4.250

40.050

X

7/8

.875

4.000

45.560

X

1

1.000

3.750

50.730

X

6″

O.D.x

OD
in
Inches

Wall

Decimal
Equivalent

ID
in
Inches

Lbs.
per Ft.

CD
SMLS²

HF
SMLS¹

DOM²

ERW¹

Ry-Star
512²

16

.065

5.870

4.120

X

14

.083

5.834

5.245

X

11

.120

5.760

7.536

X

X

1/8

.125

5.750

7.843

X

10

.134

5.732

8.395

X

7

.180

5.640

11.190

X

3/16

.188

5.625

11.670

X

1/4

.250

5.500

15.350

X

X

5/16

.312

5.375

19.010

X

3/8

.375

5.250

22.530

X

1/2

.500

5.000

29.370

X

5/8

.625

4.750

35.880

X

3/4

.750

4.500

42.050

X

7/8

.875

4.250

47.890

X

1

1.000

4.000

53.400

X

X

OD
in
Inches

Wall

Decimal
Equivalent

ID
in
Inches

Lbs.
per Ft.

CD
SMLS²

HF
SMLS¹

DOM²

ERW¹

Ry-Star
512²

1 1/4

1.250

3.500

63.410

X

1 1/2

1.500

3.000

72.090

X

6 1/4″

O.D.x

1/8

.125

6.000

8.177

X

3/16

.188

5.875

12.170

X

1/4

.250

5.750

16.020

X

5/16

.312

5.625

19.820

X

3/8

.375

5.500

23.530

X

1/2

.500

5.250

30.710

X

5/8

.625

5.000

37.550

X

3/4

.750

4.750

44.060

X

1

1.000

4.250

56.070

X

1 1/4

1.250

3.500

63.41

X

1 1/2

1.500

3.000

72.090

X

6 1/2″

O.D.x

OD
in
Inches

Wall

Decimal
Equivalent

ID
in
Inches

Lbs.
per Ft.

CD
SMLS²

HF
SMLS¹

DOM²

ERW¹

Ry-Star
512²

3/16

.188

6.125

12.670

X

1/4

.250

6.000

16.690

X

3/8

.375

5.750

24.530

X

1/2

.500

5.500

32.040

X

5/8

.625

5.250

39.220

X

3/4

.750

5.000

46.060

X

7/8

.875

4.750

52.570

X

1

1.000

4.500

58.740

X

1 1/4

1.250

4.000

70.090

X

1 1/2

1.500

3.500

80.100

X

6 5/8″

O.D.x

12

.109

6.407

7.585

X

1/8

.125

6.375

8.678

X

3/16

.188

6.250

12.890

X

1/4

.250

6.125

17.020

X

OD
in
Inches

Wall

Decimal
Equivalent

ID
in
Inches

Lbs.
per Ft.

CD
SMLS²

HF
SMLS¹

DOM²

ERW¹

Ry-Star
512²

5/16

.312

6.000

21.070

X

6 3/4″

O.D.x

1/4

.250

6.250

17.360

X

3/8

.375

6.000

25.530

X

1/2

.500

5.750

33.380

X

5/8

.625

5.500

40.880

X

3/4

.750

5.250

48.060

X

7/8

.875

5.000

54.900

X

1

1.000

4.750

61.410

X

¹Produced to O.D. and wall dimensions.
²Generally produced to OD & ID.

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