1.carbon steel elbow 2.direct sale from manufacturer 3.high quality materials+advanced technique+attentive service carbon steel elbow: ... Product namePipe elbowsize1/8,1/4,3/8,1/2,3/4,1,1.1/4,1.1/2,2,2.1/2,3,3.1/2,4,5,6,8,10,12MaterialQ235A,Q235B,20#U20202,20G,20RUsed ...