stainless steel tubing sizes SUS304/316 stainless steel welded sanitary pipe Grade:sus304/ ... -305mm SUS304/316 stainless steel welded sanitary pipe: stainless steel tubing sizes1.Standard:ISO/IDF,SMS-DS,3A,ISO 2073(ISO2851 ... industry,construction,pharmacy and biology and foodstuff,etc. stainless steel tubing sizes