Material:Carbon steel, stainless steel Standard:ANSI,ASTM,DIN,JIS,BS Pressure grade:PN2 ... Flange and etc. according to standard ANSI, DIN, ASTM,JIS,BS.PRESSURE GRADE: Class150, Class300, Class600, Class900 ... , 40Bar PN2.5 TO PN40MATERIAL: Carbon Steel: ASTM A105, ASTM A350 LF1, LF2, CL1/CL2, LF3 CL1/CL2 ... 1.7220, SCCrM3, G35CrMo4,etc.; According to specification ASTM, DIN, JIS, BS, NF,ISO etc..Technical ...