stainless steel Pipe Fittng 1..304,304L,316,316L etc. 2. ... .apply to high pressure and low pressure Description: SeriesTop Quility Stainless Steel Pipe FittingsMaterial Grade304, 304L, 316, 316L, 321, 321H, 310S, ... Petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment, 2) Aviation, boiler heat, exchanger, gas metallurgy, shipbuilding, construction, etc.APPLICATIONS : 1. Pipe ...