Steel pipe black medium/SCH40 SPINDO A53 Gr A WELDED size 4" Description : - SPINDO hitam black Steel Pipe - Pipe size: 4" - Option thickness: Medium and SCH 40 - Option Type: Carbon steel Applications of use: This black steel pipe is commonly used for buildings, power plants, petrochemical plants, oil and gas refineries, and shipbuilding. For more complete product info, please contact our complete black steel pipe sales center in Jakarta.