... DIN, ASTM,JIS,BS.PRESSURE GRADE: Class150, Class300, Class600, Class900, Class1500, Class2500 ; 6Bar, 10Bar, 16Bar, 25Bar, 40Bar PN2.5 TO PN40MATERIAL: Carbon Steel: ASTM ... A105, ASTM A350 LF1, LF2, CL1/CL2, LF3 CL1/CL2; Stainless Steel: ASTM A182 F304/304L, F316/ ... 45, 1.0446, SC450, A1, GE230, 230-450,etc.; 4. Stainless steel: CF-8M, CF-8, 1.4408, 1.4308, SCS14A, ...