One tire dealer websites says their a all steel ply carcass which puts them in commercial grade tires like the Sailun S637 16" G tires. Check the tire and see if it has all steel carcass description. If they are I would run them. As all heavy tires like a G all steel tire run them at max sidewall pressures for best long term service.
Samson is a old brand mostly in farm and ranch country....small town tire stores....feed stores/etc around here anywayz. I have no idea who made them years back or today but we have some good 16" G load range all steel ply carcass tires like the Gladiator QR35-TR......Hercules H901....Samson GL285T all 16" that are popular on haulers websites for their heavy service trailers.