Stainless Steel Pipe 1) Grade : 321, 304/L, 316L, 317, 317L,310s,904L,800,825 etc. 2) Standards: GB/ASTM/ASME/DIN/JIS and so. stainless steel pipe Features:1) pipe diameter : 6mm-630mm pipe thickness : 0.8mm-25mm2) Grade : 800,825,321, 304, 304L, 316, 316L, 317, 317L,310s,904L etc.3) Standards: /ASTM/ASME/DIN/JIS and etc 4) Applications range: for use in the petroleum, chemical, medical equipment ...