... 4mm For producing petroleum, gas and water transportation Description: SSAW Pipe Mill/Spiral Welded Pipe Machine/SSAW Pipe Making Machine External Diameter: ... unit, weighing and measuring unit, painting unitFor producing petroleum, gas and water transportation pipeMeet with API 5L, AWWA, ISO3183 ... , meet with DIN, JIS, GB and IEC SSAW Pipe Mill type (only for reference, can be designed according ...