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1020 Mild Steel Drawn Over Mandrel Tube

DOM refers to steel round tube that is “drawn over mandrel” and is also commonly known as seamless round tube. Machinability is good to excellent, and weldability is excellent. The grade is typically 1020, but may also be 520 or 1026. The 1026 grade is normally for OD’s larger than 2″ and wall thicknesses heavier than .156″.

1020 meets ASTM A513 and 1026 generally meets ASTM A519 or ASTM A513 Type 5. 1026 may also be referred to as Cold Drawn Seamless (CDS), DOM or Hot Finished Seamless (HFS).

Typical Mechanical Properties – 1020 and 1026:

1020 1026 CDS 1026 DOM 1026 HFS
Tensile Strength (psi) 80,000 87,000 80,000 70,000
Yield Point (psi) 70,000 72,000 70,000 47,000
Elongation (% in 2″) 15 10 10 28
Rockwell Hardness RB80 RB89 RB85 RB78

Note: “Typical Mechanical Properties” listed in this catalog have been compiled from a variety of sources. Information is deemed reliable, but not guaranteed. Data is provided for information only, NOT FOR DESIGN PURPOSES.

1020 Steel DOM Tube Diagram

D.O.M.: Drawn Over Mandrel Tube, Seamless

Check out these new tube templates!

Stocked in random lengths, 17-24 feet; cut pieces available. Other sizes may be available upon request.

O.D. IN. WALL THICKNESS I.D. IN. WEIGHT/FOOT (LBS)
.500 .095 .310 .4109
.625 .120 .385 .6472
.750 .065 .620 .4755
.750 .083 .584 .5913
.750 .095 .560 .6646
.750 .120 .510 .8074
.750 .156 .437 .9897
.875 .095 .685 .7914
.875 .120 .635 .9676
.875 .156 .563 1.198
.875 .188 .500 1.379
1.000 .065 .870 .6491
1.000 .095 .810 .9182
1.000 .120 .760 1.128
1.000 .156 .687 1.406
1.125 .120 .885 1.288
1.250 .065 1.120 .8226
1.250 .083 1.084 1.034
1.250 .095 1.060 1.172
1.250 .120 1.010 1.448
1.500 .065 1.370 .9962
1.500 .083 1.334 1.256
1.500 .095 1.310 1.426
1.500 .120 1.260 1.769
1.625 .120 1.385 1.929
1.750 .083 1.584 1.478
1.750 .095 1.560 1.679
1.750 .120 1.510 2.089
2.000 .065 1.870 1.343
2.000 .095 1.810 1.933
2.000 .120 1.760 2.409
2.000 .188 1.625 3.638