... 400, Inconel 600, Inconel 625 hot sale stainless steel pipe Grade: 321, 304, 304L, 316, 316L, 317, 317L, 310s, 904L ... Steel Pipe/tube1) Grade: 304L, 316/L/H, 321/H, 310,310S, etc.2) Standard: ASTM A312, ASTM A269, ASTM ,A511, ASTM A2133) Size: OD ... for price usually. Product Application: The products are widely used in fertilizers, petroleum, central-station, boiler, power stations, shipping military ...