Specifications
1. Tool joints2.Material: AISI 4137 premium alloy steel
3Upset style: EU, IEU or IU
Application: 2 3/8" ~ 6 5/8" drill pip
Tool joint (drill pipe)
Material: AISI 4137 premium alloy steel
Upset style: EU, IEU or IU
Application: 2 3/8" ~ 6 5/8" dill pipes
All connections are phosphatized, coated with lubricant and provided with thread protectors. All tool joints should be inspected at full length by fluorescence magnetic particle and ultrasonic method. Tool joints are for pipes from 2 3/8" to 6 5/8", grade is E 75, G 105 and S 135; upset style is EU, IEU or IU.
Tool joint connection | DP nominal weight lb/ft | Steel grade | O.D.(in) | I.D.(in) | Pin tong space(in) | Box tong space(in) | Pin/Box bevel diameter(in) |
NC31 | 10.4 | G105 | 4 1/8 | 2 | 7 | 9 | 3 61/64 |
S135 | 4 3/8 | 1 5/8 | 7 | 9 | 3 61/64 | ||
NC38 | 13.3 | G105 | 5 | 2 7/16 | 8 | 10 1/2 | 4 37/64 |
S135 | 5 | 2 1/8 | 8 | 10 1/2 | 4 37/64 | ||
NC46 | 16.6 | X95 | 6 1/4 | 3 | 7 | 10 | 5 23/32 |
G105 | 6 1/4 | 3 | 7 | 10 | 5 23/32 | ||
S135 | 6 1/4 | 2 3/4 | 7 | 10 | 5 23/32 | ||
NC50 | 19.5 | X95 | 6 5/8 | 3 1/4 | 7 | 10 | 6 1/16 |
G105 | 6 5/8 | 3 1/4 | 7 | 10 | 6 1/16 | ||
S135 | 6 5/8 | 2 3/4 | 7 | 10 | 6 1/16 |
