1.Product Name:chinese pipe parts 5-1/2" pipe coupling 
2.Standard:API 5CT &API 5B
3.Grade:J55, K55, N80, L80, C90, T95, P110;
4.Place of Origin:Tianjin China
5.Outer Diameter:STC153.67mm/LTC153.67mm/BTC153.67mm
6.Minimum Length:STC171.45mm/LTC203.20mm/BTC234.95mm
7.Weight(kg):STC5.23/LTC6.42/BTC6.36
8.Techniques:Machining
9.Head code:Round
10.Thread Type:NUE, EUE, STC, LTC, BTC.
11.Surface:Whole phosphating, or inside phosphating and outside coating
12.Packaging Details:By carton, wooden case, wooden pallet, or by requirements of customer.
13.Delivery Detail:Shipped in 5 days after payment