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Mild Steel Electric Welded Round Tube

Mild steel tubes manufactured by the electric-resistance welding process, are often referred to as ERW or EW, among other names. These tubes have a welded seam on the inside and are typically more economical than seamless mild steel tubes. These tubes may occasionally be referred to as Grade 1008-1010. Excellent weldability and good machinability are typical for ERW, and they meet ASTM A513, Type 1 and Type 2.

Typical Mechanical Properties:

Tensile Strength (psi) 45,000
Yield Point (psi) 32,000
Elongation (% in 2″) 15 min
Rockwell Hardness RB55 min

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.

Electric Welded Round Tube Diagram

AED stocks ERW steel round tubes generally in 20 to 24 foot random lengths in a variety of sizes. Cut pieces available; and other sizes available on request in full lengths.

O.D. IN. WALL THICKNESS I.D. IN. WEIGHT/FOOT (LBS)
.375 .035 .305 .1271
.375 .049 .277 .1706
.375 .065 .245 .2152
.500 .049 .402 .2360
.500 .065 .370 .3020
.625 .065 .495 .3888
.750 .035 .680 .2673
.750 .049 .652 .3668
.750 .065 .620 .4755
.750 .083 .584 .5913
.750 .095 .560 .6646
.750 .120 .510 .8074
.875 .049 .777 .4323
.875 .065 .745 .5623
.875 .083 .709 .7021
1.000 .035 .930 .3607
1.000 .049 .902 .4977
1.000 .065 .870 .6491
1.000 .083 .834 .8129
1.250 .065 1.120 .8226
1.250 .083 1.084 1.034
1.250 .095 1.060 1.172
1.500 .049 1.402 .7593
1.500 .065 1.370 .9962
1.500 .083 1.334 1.256
1.500 .095 1.310 1.426
1.625 .134 1.357 2.134
1.750 .065 1.602 1.170
1.750 .095 1.560 1.679
1.750 .134 1.482 2.313
3.000 .065 2.870 2.037
3.000 .125 2.750 3.838
4.000 .065 3.870 2.732
4.000 .120 3.760 4.973
4.500 .120 4.260 5.613