Welded stainless steel and high-nickel alloy tube for oil, gas, and chemical process applications, across grades 304/316, 321, and Incoloy 825, from 6mm to 63.5mm OD with 0.4mm to 2mm wall thickness.
Oil, gas, and chemical process tube gets specified around one central question: what is the tube actually going to be in contact with, and under what pressure and temperature? A process line carrying a mild, non-corrosive fluid has very different requirements from one carrying an acidic or chloride-bearing stream at elevated temperature — and getting the grade wrong in this application doesn't just shorten service life, it can mean unplanned downtime or a safety issue in service. We manufacture tube across this application's full range, from 304/316 for general process use up to Incoloy 825 for environments that exceed what standard stainless reliably handles.
Process tube for oil, gas, and chemical service is commonly specified with hydrostatic testing and, depending on the application, oxygen-service cleaning requirements.
We perform various tests as required by the client.
See All Tests We Perform| OD | 6mm to 63.5mm |
| Wall thickness | 0.4mm to 2mm |
| Grades | 304/304L, 316/316L, 321, Incoloy 825 |
| Standards | ASTM A249, ASTM A269 |
| Grade | General positioning | Typically considered when |
|---|---|---|
| 304/304L | Good general corrosion resistance | Non-aggressive process fluids, general-purpose lines |
| 316/316L | Adds molybdenum for chloride/corrosion resistance | Standard chemical process use, moderate chloride exposure |
| 321 | Titanium-stabilized for weld-zone integrity at sustained heat | High-temperature process lines |
| Incoloy 825 | Highest resistance among our range to acidic and highly corrosive process streams | Environments beyond what standard stainless reliably handles |
Talk to us about your specific process fluid, temperature, and pressure — this table is a starting point, not a substitute for confirming your exact requirement with us.
304, 316, and 321 are part of our 300 Series range — see the full table. For more demanding corrosive environments, see our High-Nickel Alloys page for Incoloy 825, Inconel, Hastelloy and Monel — all of which we manufacture.
Grade, size, standard, quantity — send what you have and we'll respond with availability, lead time and pricing.