RC Drilling Supplies: 4.5 inch OD Drill pipe specs

SPECIFICATIONS 4.5’’ DUAL TUBE RC PIPE

STANDARD LENGTHS	Make-up Length 5 ft; 10 ft; 15 ft. and 20 ft. (also available in metric 1.5 ; 3.0 ; 4.5 and 6.0 meter sizes)
TOOL JOINT	Heat Treated 4130 Alloy- 34-38 RC Minimum Yield Strength - 110 ksi O.D. 4.600”- I.D. 3.250- .675 wall
OUTER TUBE	Minimum Yield Strength 90 ksi O.D. 4.500” - I.D. 3.875” - Wall 0.313”
INNER TUBE	Minimum Yield Strength 90 ksi O.D. 2.750” - ID 2.375”- Wall 0.188”
INNER PIPE ENDS	Male - 4130 Alloy - 42-45 RC Female - 4130 Alloy - 34-36 RC
ROD WEIGHT	420 lbs per 20 ft.
TORQUE RATING	12,300 ft.-lbs (16,678.8 N-m)
TENSION RATING	150,000 lbs (68,040 kg)
FLATS- BOX ONLY	3.875” across x 3.500” high 4.750” from shoulder
O-RINGS	2 each Nitrile #231
INNER TUBE SEALING	Inner tubes make up and seal along with tool joints