Products offered:

Drill Pipes
Drill pipes are manufactured from upset pipe body ends and friction welded on tool joints. Tool joints are forged from chromium molybdenum alloy steel
and uniformly quenched and tempered to obtain API Spec.7-1 properties.
Pipe body standard grades , covered by API Spec. 5DP/ISO 11961 are: Gr.E, X, G and S.
Coating: TK34, TC2000.
Hardbanding: ARNCO 100XT, 200XT, & 300X.
Drill Collars (Slick and Spiral)
Standard: API Spec7-1 Material: AISI 4145H Alloy Steel or Non-magnetic material  Specification: OD 3-1/8"-11"   Length: 10’-31’
Heavy Weight Drill PipesIntegral
Standard: API Spec 7-1
Specification: OD 3-1/2", 4-1/2", 5", 5-1/2"
Connection：NC38, NC46, NC50, 5 1/2 FH
Material: AISI 4145H Alloy Steel and Non-magnetic material
Type: Integral and Friction welded
Square and Hexagonal Kellys
Material: AISI 4142H-4145H
Hex. Kelly Size: 3" - 6" Standard Length: 12190mm
Square Kelly Size：2 1/2" - 5 1/4" Standard Length: 12190mm