... , Class1500, Class2500 ; 6Bar, 10Bar, 16Bar, 25Bar, 40Bar PN2.5 TO PN40MATERIAL: Carbon Steel: ASTM A105, ASTM A350 LF1, LF2, CL1 ... , 1.1168, SCMn3, 1.7220, SCCrM3, G35CrMo4,etc.; According to specification ASTM, DIN, JIS, BS, NF,ISO etc..Technical process includes ... , RT). We are always ready for supplying any products to oversea customers with excellent quality, timely delivery, reasonable price and ...