

The Best Material For Downhole Capillary Tube: Duplex 2205 vs. Stainless Steel 316L
We put Duplex 2205 and Stainless Steel 316L head-to-head to see which is best for downhole capillary tube applications! Why the debate? In a world full of custom alloys and specialty metallurgies for specialty capillary tube applications Duplex 2205 and Stainless Steel 316L stand out as the most common options for general downhole use. Their competitive pricing and overall durability and corrosion resistance make them perfect for most downhole applications. Specialty alloys offer superior corrosion resistance, but they can come at a cost. Through all of the shakeup that has