The Non-magnetic heavy weight dill pipe are made of low carbon stainless steel and meet the requirements of API7-1 Size OD ID connection Body �  mm in mm in Style OD Bevel diameter pin and box Upset mm in Mm center area Mm End area WJZ66-6 5/8FH-I 168.3 6 5/8 114.3 4 1/2 6 5/8FH 209.6 8 1/4 195.70 184.2 176.21 WJZ55-5 1/2FH-I 139.7 5 1/2 92.1 3 5/8 5 1/2FH 177.8 7 170.7 152.4 144.5 WJZ50-NC50-I 127.0 5 76.2 3 NC50 168.3 6 5/8 154.0 139.7 130.2 WJZ45-NC46-I 114.3 4 1/2 71.4 2 13/16 NC46 158.8 6 1/4 145.3 127.0 117.5 WJZ35-NC38-I 88.9 3 1/2 52.39 2 1/16 NC38 120.7 4 3/4 116.3 101.6 92.1 WJZ29-NC31-I 73.03 2 7/8 50.8 2 NC31 104.8 4 1/8 100.4 84.1