Products:Stainless steel lost wax casting screwed pipe fitting. Material:AISI(304,316), ASTMA351(CF8M,CF8) Threads:AISI, B1.20.1, BS21, DIN2999/259&BSP&BSPT, NPT Pressure:150PSI Temperature: -60 ~ 450 F Size: 1/8"-4" PRICE OF UNIONS M/F CONICAL (USD FOB) size Price:(ss304) 1/8" 0.97 1/4" 1.22 3/8" 1.40 1/2" 1.94 3/4" 2.55 1" 4.01 11/4" 5.69 11/2" 7.65 2" 10.19 21/2" 14.10 3" 17.98 4" 25.23 Price will be higher 10% if type 316