TP304 BEST-SELLER stainless steel pipe fittings 1)Size: Seamless Type:1/2"-20" 2)Weleded Type: ... /2"-48" 3)Model:RH-F-002 TP304 BEST-SELLER stainless steel pipe fittings1)Size: Seamless Type:1/2"-20" 2)Weleded ... , ASME/ANSI B16.9, B16.28, ASTM A403, MSS SP-43, DIN2605, DIN2609, DIN2615, DIN2616, JIS B2311, JIS B2312, JIS B2313 ...