4-1/2′′ (114mm) S135 API 5dp Drill Pipe for Oil Well, Water Well, HDD, Trenchless, No Dig

• Manufacturing Process: Friction,Nitriding
• Surface Treatment: Other
• Operation Pressure: Atmospheric Pressure
• Material: Carbon Steelhigh Manganese Steel, Stainless Steel
• Transport Package: Wooden Box
• Specification: all sizes
• Model NO.: 114mm
• Trademark: Superior
• Origin: China
• Production Capacity: 20000 Pieces Per Year

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)

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

 

Features:

 

1.Application hard, very hard,and medium soft sock formation.

 

2.Reliable quality,long service life,rare abnormal breakage during service life

 

3.Good flushing effect to ensure high drilling rate

 

4.Strict quality warranty and compensation rules

 

 Application:

 

Used inholedrilling works, such asminingblasting,water welldrilling,geothermal welldrilling,pipe roofsupport,coalandnon-ferrous metalminingprojects