RC Drilling Supplies: 4" inch OD Drill pipe specs

SPECIFICATIONS 4" 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 O.D.	Heat Treated 4130 Alloy- 34-38 RC Minimum Yield Strength - 110 ksi O.D. 4.050” - I.D. 3.000” - Wall 0.525”
OUTER PIPE MIDBODY	Minimum Yield Strength 90 ksi O.D. 3.875” - I.D. 3.375” - Wall 0.250”
INNER PIPE	Minimum Yield Strength 90 ksi O.D. 2.250” - ID 1.937”- Wall 0.156”
INNER PIPE ENDS	Male - 4130 Alloy - 42-45 RC Female - 4130 Alloy - 34-36 RC
ROD WEIGHT	154 lbs per 10 ft., 83 lbs per 5 ft.
TORQUE RATING	7,000. ft.-lbs (9,490 N-m)
TENSION RATING	90,000 lbs (40,823 kg)
FLATS- BOX & PIN	3.250” across x 2.500” high 5.00”Box, 1.5” Pin from shoulder
O-RINGS	2 each Nitrile #228
INNER TUBE SEALING	Inner tubes make up and seal along with tool joints