Sizes:1.OD:DN25-DN600 ;DN600-DN3000
2.Thickness:SCH5S,STD,SCH40,SCH60,SCHXS,SCH80,SCH100,SCH20,SCH140,SCH16
Standard:JIS B2311,JIS B2312,JIS B2313,JIS B2316
ASME/ANSI B16.9,ASME/ANSI B16.11,ASME/ANSI B16.28,ASME B16.5
MSS SP-43,MSS SP-79 ,MSS SP-83,MSS SP-97
GB/T12459-2005,GB/T13401-2005,GB/T14383,GB/T14383,SY/T5257-2004,etc.
ANSI B16.9, ANSI B16.28, DIN 2605-1, DIN2605-2, EN 10253-1,GOST 17375