... DN5000 Process:free forgingDie F OEM special flange 1.Materiala)carbon steel SA234 WPB, SA234 WPC,SA42 ... WPHY 56,WPHY 60,WPHY 65, WPHY 70 ,DIN 1629 St37, RST37.2 St52 b)Stainless Steel: ... 3 WP316 WP347 (H) ,WP317 (L),WP321.DIN 1.4301, 1.4306, 1.4401, 1.4571,JIS SUS304,SUS304, SUS304L, SUS316, SUS316 ... 5 150LBS 300LBS 400LBS 600LBS 900LBS 1500LBS 2500LBSb) DIN 6Bar 10Bar 16Bar 25Bar 40Bar PN6-PN40 c)BS4504 ...