1. straight /reducing tee
2. BW/ SW
3.ASTM A106 B/A53 B DIN,ST  JIS
4. ASME/ANSI B 16.9 ASME/ANSI B16.11  JIS B2311 JIS B2312 JIS B2313 JIS B 2316
5. HIGH QUANLITY
6. HIGH RESISTMENT
7.can produce according to buyers'requirtment
8. OD:48.3X48.3`610X508 WH:20,30,40,60,80,100,120,140,160,STDXS,XXS