As listed
| Field | Value |
|---|---|
| Seller | Aircraft Spruce |
| Material | 4130 steel |
| Sizes | 13 |
| Listed per size | Major and minor axis, wall, weight, round-tube equivalents |
| Listing checked | 2026-09-30 |
Taken from Aircraft Spruce's product page on 2026-09-30. Where the listing does not state a figure, this table does not either.
What it is for
The equivalent columns say which round tube each streamline section matches in tension and in compression; some sizes list none. Use them as the seller's comparison, not as design data.
Round tube: 4130 round tubing.
Sizes listed
| Major axis | Minor axis | Wall | Eq. round (tension) | Eq. round (compression) | Weight per ft (lb) | Part No. |
|---|---|---|---|---|---|---|
| 1.147 | .517 | .035 | 7/8 | 7/16 | 0.314 | 03-00232 |
| 1.18 | 0.500 | .035 | -- | -- | 0.314 | 03-11400 |
| 1.30 | .600 | .049 | 1 | 5/8 | 0.498 | 03-00233 |
| 1.349 | 0.571 | .049 | -- | -- | 0.498 | 03-11500 |
| 1.645 | .740 | .049 | 1-1/4 | 3/4 | 0.629 | 03-00234 |
| 1.685 | 0.714 | .049 | -- | -- | 0.629 | 03-11600 |
| 1.990 | .870 | .049 | 1-1/2 | 1 | 0.759 | 03-00235 |
| 2.023 | 0.857 | .049 | -- | -- | 0.759 | 03-11700 |
| 2.360 | .960 | .049 | 1-3/4 | 1-1/8 | 0.890 | 03-00236 |
| 2.360 | 1.00 | .049 | -- | -- | 0.890 | 03-11800 |
| 2.665 | 1.140 | .065 | 2 | 1-1/2 | 1.343 | 03-00237 |
| 2.697 | 1.143 | .065 | -- | -- | 1.021 | 03-00192 |
| 3.372 | 1.42 | .049 | -- | -- | 1.283 | 03-12000 |
As listed by Aircraft Spruce on 2026-09-30. Check the live listing before ordering: stock and part numbers change.
Where to buy
The link opens Aircraft Spruce's own page for this item, so the price and stock you see are theirs and current. We do not copy prices.
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Sources
- Aircraft Spruce — 4130 Streamline Tubing — product listing, checked 2026-09-30.