Water well drill pipe T38 thread extension rod
Product feature of Rock Drilling Tools
Drill Rod
1: OD: 2 7/8”(73 mm)
2: Connection: 95mm/105mm
3: Grade: E75/R780
4: Length: RI, RII, RIII (2~12.5 meters)
5: Suitable for water well, geothermal well, gas well
6: Safe drilling depth: Within 1000 meters
7: Tool joint:35CrMo
8: Friction welding drilling
9. Thickness: 9.19 mm( 10.4 LB/FT )
10.Thread type: NC31
11.Thread treatment: Phosphorization, copper plating
12. Plastic coating: TC2000, TK34,TK34P
13. Hardbending: Boton, Arnco, TCS Ti, ARMACOR-M, Hughes Super
smooth x,Duraband.
Process description:
1. Strictly according to API 5DP standard
2. Yield strength: Min 517 Mpa
3. Tensile strength: Min 724 Mpa
4. Pipe body material: High quality alloy seamless pipe of E75
5. Thread treatment: Phosphorization or copper plating
Product data of Rock Drilling Tools
Water well drilling pipe grade:
Grade:Φ73x9x(9.5/6.1)m pipe material:DZ40,DZ50,R780,G105
Grade:Φ89x10x(9.5/6.1)m connect materrial:40Cr,45Mn2,35Crmo,4137H
| Outer diameter (mm) | Φ50 | Φ60 | Φ73 | Φ89 | Φ102 | Φ114 | Φ127 |
Connect diameter (mm) | Φ65 | Φ75 | Φ105 | Φ127 | Φ133.4 | Φ158.8 | Φ168 |
| Thickness(mm) | 6.5 | 7.1 | 9.19 | 9.5/10 | 8.38 | 8.56 | 9.19 |
| Length(mm) | 1000~4500 | 1000~4500 | 1500~9500 | 1500~9500 | 3000~9500 | 1500~9500 | 5000-9500 |
Application:
Adapte to Mine exploding,water well drilling,Geothermal well drilling, pipe-shed support, such as coal and
nonferrous metal mining engineering radial hole drilling
