1)Standard:ASTM B861 2)Type:seamless tube 3)Use:Condensers and heat Exchangers 4)Moq for order :50kgs 5)moq for stocks:1pc 1)Standard:ASTM B8612)Type:welded and seamless tube3)Use:Condensers and heat Exchangers4)Moq:100kgs5)moq for stocks:1pc6)size:OD range:6-325mm thickness:0.3mm-20mm7)Note:others related standard:B861,B337 etcs.8)other related Grade Gr.1,Gr.2,,Gr.3,Gr.5, Gr.7,,Gr.9,Gr.11,Gr.12, ...