lbs / " to " to " x " hex. head bushing threaded lbs - lbs / " to " to " x " swedge nipples threaded lbs - lbs / " to " to " x " weld branches butt welding std/ - xs/ - " x / " to " x " other accessories bolts for high temp services to astm a b /bb nuts for high pressure and temo to astm a gr h/ gaskets...