Seamless Steel Pipe & Welded Steel Pipe Manufacturer
  • Drill Pipe

    Out Diameter of Drill Pipe:
    From 2 3/8” to 6 5/8″
    Length ranges of Drill Pipe:
    Range 1: 18 ft. to 22 ft.
    Range 2: 27 ft. to 30 ft.
    Range 3: 38 ft. to 45 ft.
    Drill Pipe
Drill Pipe+

Products: Drill Pipe, Heavy Weight Drill Pipe, Drill Collar


Size: 2-3/8"--6-5/8"

Standard: API 5DP

Grade: E75, G105, S135, SS-105, X95, X57, X75, X39
Length: Range 1, Range 2, Range 3


Drill pipe diameter Drill pipe ID Drill pipe weight
2-3/8 inch
1.815 inch
6.65 lb/ft
2-7/8 inch
2.151 inch 10.40 lb/ft
3-1/2 inch
2.764 inch, 2.602 inch 13.30 lb/ft, 15.50 lb/ft
4 inch
3.340 inch, 3.240 inch 14.00 lb/ft, 15.70 lb/ft
4-1/2 inch
3.826 inch, 3.640 inch 16.60 lb/ft, 20 lb/ft
5 inch
4.726 inch, 4.000 inch 19.50 lb/ft, 25.60 lb/ft
5-1/2 inch
4.778 inch, 4.670 inch 21.90 lb/ft, 24.70 lb/ft
6-5/8 inch
5.965 inch, 5.901 inch 25.20 lb/ft, 27.70 lb/ft


Drill pipe classfication

Upset of Drill Pipe

Internal Upset    IU
External Upset   EU

Internal-External Upset   IEU


Thread/Connection Types of Drill Pipe

NC26, NC31, NC38, NC40, NC46, NC50, 5-1/2 FH, 6-5/8 FH


XT Connection of Drill Pipe

XT connections facilitate the use of larger drill pipe in a set hole size, such as 5⅞ in. drill pipe with XT 57 in an 8½ in. hole size.

X57, X75, X39, X95