... of sizes, strength and weight.The length of a drill pipe is typically Range 2 at 31ft Specifications1 ... .7mm - 1219.2mm )Main Standard: API 5L, ASTM A 106, ASTM A53, GB/T 8163, EN10216,BS&JIS& ... X42,X46,X52,X56,GR.B, Q345, Q235, Q195, 20#, 10#, S235JRH, S275JOH, S355JOH,P325TR1,ST37,ST52,ST37.4, ... 1/2 FH7 1/4184.153 1/288.905 1/224.705 1/2139.700.4210.545 1/2 FH7 1/4184.153 1/288.906 5/825.206 5 ...