RC Drilling Supplies: 4.5 inch OD Drill pipe specs

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