Standard: API5L,A106,A53,A335,A333,DIN1629,DIN2448,NFA49,GOST8731,JISG3454 Grade: GR.B,X42,X56,P11,P22,ST37,ST45.8,ST52,S235JR,S355JR,STP430 OD: 1/2"-32"_WT:Sch10-Sch160(1.5mm-80mm) _LENGTH :2m-14m Application: Construction,Oil & Gas,Petrochemical,Water pipeline,Sewage Treatment, Transmission pipeline Standard: API5L,A106,A53,A335,A333,DIN1629,DIN2448,NFA49,GOST8731,JISG3454 Grade: GR.B,X42,X56,P11,P22,ST37,ST45.8,ST52,S235JR,S355JR,STP430 OD: 1/2"-32"_WT:Sch10-Sch160(1.5mm-80mm) _LENGTH:2m-14m Application:Construction,Oil & Gas,Petrochemical,Water pipeline,Sewage Treatment, Transmission pipeline