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water well drill stem pipe
. Top techonology and guranty One year warranty in overseas branch D&R center ensure top advantages Asian biggest drilling rig manufacturer with long history World top-class heat treatment production line imported from Japan Advanced automatic mloding production line from USA Advanced NC machine German TRUMPF flexible sheet metal processing system
used water well drill stem pipe
Product Description:
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
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
Parameters