Seating of the bearing connection beam what are the requirements?

Seating common bearing connection beam to: 1, material: non-metallic materials ( Nylon PA66, fiber GF) Molding ( No beam) 。 2, non-metallic materials ( Nylon PA66, fiber GF) Tensile coefficient (beam performance parameters: ISO527) 16000 kpa; The impact strength, ISO179) 80㎏/㎡。 Thermal performance parameters: melting point ( ISO11357) 260℃。 Electrical characteristics parameters: the dielectric strength ( IEC60243 - 1) 33KV/MM。 General parameters: the density ( ISO1183) 1. 5G/CM3； Flame retardant ( ISO1210) B1( HB) 。 3, bearing connection beam fittings: Q235 steel pipe triangle, the thickness of 3. 0 ~ 3. 5mm。