This American Society for Testing and Materials (ASTM) specification covers seamless steel pipe for high temperature service in the size range of 1/8” NPS to 48” NPS. Federal Steel Supply is a stocking distributor of carbon steel pipes to this specification in sizes from ¼” NPS to 36” NPS, specializing in heavy wall pipe. SUS201 Stainless Steel Welded Pipe ordered under this specification is suitable for bending, flanging, forming, and welding. Key applications for A106 and SA106 include refineries, power plants, boilers, ship building, and other specialized applications. Pressure pipe applications also include heat exchangers, condenser and boilers.