... /P250GH, A105/SS400. Size: DN15-DN2500. ASTM a105 flange class 150 The specification is as follows:1-American Standard:ANSI B ... /3, 1600/3, 2500/3, T/D, T/E, T/F, AS2129, etc.4-Japanese (JIS) Standard:SS400, SF440, 5K, 10K ... cases or pallets for vessel transportation ASTM a105 flange class 150