1.316L seamless and welded stainless steel tube 2.material:312,304,316L, etc. ... -760mm,W.T:1mm-80 · 316L seamless and welded stainless steel tube 1. material:TP304,304L,304H,304LN,TP310,310S ... often cooperate with many outstanding Steel Pipe Plants such as TPCO, Hengyang Steel,Baotou Steel , Anshan Steel etc. standardASTM A312/A312MASTM ... rate A5(%)≥35≥35≥35 316L seamless and welded stainless steel tube