A&R Template 4.4

The bracing members were made using 0.049” wall 1020 Drawn Over Mandrel (DOM), Stress Relief Annealed (SRA) tubing that is 32% stiffer and 8% stronger than SAE specifications. Since under SAE costing, mild steel is cost at half that of alloy steel, a cost savings of nearly 30% is obtained over the continued use of the 4130 tubing for the ... ................
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