On Tuesday, December 26, 2017 at 12:18:06 PM UTC-8, Wasantha wrote:
I would like to know for a machine frame(textile dryer) which channel is more
suitable for carrying load.
1.6" U-Channel
2.4" Square Tubing

Devoid of any idea what 'load' is intended, what joint construction and bracing
methods, what material, and what environment, I'd say they
are both more suitable. So is bamboo, concrete, and titanium
forgings.

Celery stalks, however, suffer structurally in the "dryer" environment.