外径尺寸和壁厚表美标ANSI B36.10
外径尺寸和壁厚表美标ANSI B36.10 & B36.19M公称通径外径公称壁厚 TNPSDNDSCH5sSCH10sSCH10SCH20SHC30SCH40sSTDSCH40SCH60SCH80s
外径尺寸和壁厚表美标ANSI B36.10