... 8/P250GH, A105/SS400. Size: DN15-DN2500. ASTM a266 gr.4 flangeThe specification is as follows:1-American Standard:ANSI B ... DIN2545, PN6, PN10, PN16, RST37.2, CC22.8 etc.;3-British Standard:BS4504, NP16, NP25, NP40, BS10, TABLE D, TABLE E ... , 2500/3, T/D, T/E, T/F, AS2129, etc.4-Japanese (JIS) Standard:SS400, SF440, 5K, 10K, 16K, 20K, ... cases or pallets for vessel transportation ASTM a266 gr.4 flange