1.1 This specification covers a coextruded crosslinked polyethylene composite pressure pipe with a welded aluminum tube reinforcement between the inner and outer layers. The inner and outer crosslinked polyethylene layers are bonded to the This specification covers a coextruded cross linked polyethylene composite pressure pipe with welded aluminum tube reinforcement between the inner and outer layers. The inner and outer cross linked polyethylene layers are bonded to the aluminum tube by