sae 100r2 hose should be used with petroleum- and water-based hydraulic fluids, within a temperature range from140° to 100° C. It consists of an inner tube of oil-resistant synthetic rubber, steel-wire reinforcement according to hose type, as detailed below, and an oil- and weather-resistant synthetic rubber cover. A ply, or braid, of suitable material may be used over the inner tube and/or over the wire reinforcement to anchor the synthetic rubber to the wire. Type A has two braids of wire reinforcement Type B has two spiral plies and one braid of reinforcement Type AT is the same as Type A, but AT has a cover designed to assemble with fittings that do not require removal of the cover or any portion of it. Type BT is the same as Type B, but BT has a cover designed to assemble with fittings that do not require removal of the cover or any portion of it.