... WT:1.24-100mm 3.standard:API J55, API K55, API N80, API L80 API L245 Product API X56 steel pipe Thickness1.24- ... transportation of gas,water,oill in oil&gas industry. API SPEC 5CT.Tubing is used in extracting petroleum & natural gas ... reheater,superheater and steam pipeline of boilers. Standard API 5CT API 5L ASTM A106 GR.A\B\C ASTM ... J55\K55\N80\L80\P110(LTC),(STC),(BTC)API SPEC 5L PSL 1:A25\A\B\X42\X46 ...