... Size:DN15-DN5000 Process:free forgingDie F OEM forged auto valve parts1.Material a)carbon steel SA234 WPB, SA234 ... 52,WPHY 56,WPHY 60,WPHY 65, WPHY 70 ,DIN 1629 St37, RST37.2 St52 b)Stainless Steel: ... 316L, WP304L, 3 WP316 WP347 (H) ,WP317 (L),WP321.DIN 1.4301, 1.4306, 1.4401, 1.4571,JIS SUS304 ... 5 150LBS 300LBS 400LBS 600LBS 900LBS 1500LBS 2500LBS b) DIN 6Bar 10Bar 16Bar 25Bar 40Bar PN6-PN40 c)BS4504: ...