The best glue to use is a quality Super Glue (Cyanoacrylate), Gorilla Glue (Micro Precise) or Resin Epoxy Glue. Industrial Piping. Although originally modelled for 1/35 and 1/32, these pipes can suit a multitude of scales.
Industrial Piping - Industrial and waste - 1/35, 1/32 resin model
Industrial Piping - Valve, Pump & Sensor - 1/35, 1/32 resin model
FoG Models 1/35 Scale 3D printed – Industrial Pipe work bridge
Dia 2mm-8mm ABS Plastic Round Pipe Tube Pipe Sand Table Model Making Material
Plum PP081 Industrial Area C Chimney Kit Chemical Plant Dioramas N/HO
FoG Models 1/35 Scale Complete Industrial Chimney 85mm x 290mm