ASTM A 53 API 5L GR.B STEEL TUBES
Mar 30 2011
1. Commmodity Name :Carbon steel ERW pipe
2. Type : Weld
3. Standard: EN10217.1, EN10219.1,API 5L ,ASTM A53,GB/T3091,GB/T9711,etc
4. Grade : Q235B, A53(A,B), Gr.B, X42, X46, X52, X56, X60, X70, …
HS-CODE : 72-