Process:�Seamless Standard:�API�5CT Out�Diameter:Casing:�OD�4�1/2"-�20"�(114.3mm-508mm)� Wall�Thickness:0.�205"-�0.875"�(5.21mm-22.22mm) Steel�Grade:�J55,K55,M65,N80-1,N80Q,L80-1,L80-9Cr,�L80-13Cr,C90,C95,T95,P110,Q125 Surface:Corrosion�proofing�water�based�paint Uses:Casing�serves�as�well�sidewall. Type�of�End-Finish:�PE,STC,LTC�,BTC Heat�treatment:Normalized,�Quencher+Temper Lengths: API�5CT�Casing Range�1 Range�2�� Range�3�������� 4.24~7.62� 7.62~10.36 10.36~16.00 � � If�you�have�any�interest,�please�don't�hesitate�to�contact�us. Feel free to contact us if any further questions, will serve you as soon as possible.