Valmont's 6.639" OD ERW (electric resistance welded) steel tubing is produced to a variety of ASTM specifications including A513, A787, A135, A500, A847, A53 and A268. Produced in hot rolled (HR), pickled and oiled (P&O), cold rolled (CR), aluminized (AL), pre-galvanized (GAL), hot dip galvanized (HDG) and stainless 409 (SS) finishes, our 6.639" (168.63 mm) round tubing is available in a variety of chemistries. Our chemistry offerings include 1006, 1008, 1010, 1015, 1020, 1021, and 1026 carbon steel plus specialty chemistries such as weathering steel, high strength low alloy (HSLA) and aluminum killed drawn quality (AKDQ). Valmont also offers select value added capabilities such as cutting, hole drilling and special fabrication if requested.
Call one of our knowledgeable sales team members at +1 800.825.6668 or click here so that we can answer any questions you may have and provide you with pricing and lead time information. For additional information on other sizes that we produce in round, square, rectangle and special shaped tubing, please visit our Steel Tubing Product Catalog.
Please reference the following chart that shows the weight per foot information for all of the gauges or wall thicknesses that we produce for 6.639 inch OD.
| GAUGE | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 1/8 | 10 | 9 | 5/32 | 8 | 7 | 3/16 | 6 | 5 | 4 | 1/4 | 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.058 | 0.065 | 0.075 | 0.083 | 0.095 | 0.109 | 0.120 | 0.125 | 0.134 | 0.148 | 0.156 | 0.165 | 0.180 | 0.188 | 0.203 | 0.220 | 0.238 | 0.250 | 0.280 | |
| 6.639 | 4.077 | 4.564 | 5.258 | 5.812 | 6.640 | 7.602 | 8.355 | 8.696 | 9.309 | 10.260 | 10.801 | 11.408 | 12.417 | 12.953 | 13.954 | 15.082 | 16.270 | 17.059 | 19.021 |
| Round Tubing - 1.05 to 2.50 Inch |
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| Round Tubing - 2.75 to 6 Inch |
| Round Tubing - 6.25 to 16 Inch |
| Square and Rectangle Tubing - Up to 6 Inch |
| Oval and Special Shaped Tubing |
Valmont Tubing has one of the broadest size range of welded carbon steel tubing in North America. With our round size range starting at 1.05 inch and going on up to 16 inch in diameter, customers save time and freight with the ability to order various sizes in between from one manufacturer. Our large OD size range consisting of sizes from 6.25 inch to 16 inch provides our customers a reliable manufacturer of large OD light wall tubing produced to tight tolerance capabilities. Valmont's frequent rolling cycles on most sizes also provide our customers with the inventory flexibility. To learn more about individual sizes in our 6.25" to 16.00" size range, please click on the following links.
