Stub Ends Stub Ends Size: 8 NB TO 3000 NBStainless Steel :ASTM A403 WP 304/ 304L/ 304H/ 310S/ 310H/ 316/ 316L/ 317/ 317L/ 321/ 310/ 347/ 347H/ 904L Etc.Carbon Steel : ASTM A234 WPB/ A420 WPL3/ A420 WPL6/ MSS-SP-75 WPHY 42/ 46/ 52/ 56/ 60/ 65/ 70Alloy Steel : ASTM A234 WP1/ WP5/ WP9/ WP11/ WP22/ WP91 EtcOther’s : Monel, Nickel, Inconel, Hastalloy, Copper, Brass, Bronze,Titanium, Tantalum, Bismuth, Aluminium,High Speed Steel,Zinc, Lead Etc.