4-1/2" API SPEC 5DP Oil Drill Pipe with 135,000 Psi Yield Strength and Superior Straightness

Price Negotiable

Price: $1-99

MOQ: 50 pcs

Delivery Time: Negotiable

Brand: ROSCHEN

Product Description

Product Overview

We supply comprehensive drill pipe solutions compliant with API SPEC 5DP and SY standards. Our manufacturing capabilities include custom specifications and tool joint configurations to meet diverse operational requirements.

Advanced Manufacturing Process

Precision welding with optimized parameter control for superior joint integrity
Advanced heat treatment with simultaneous internal and external cooling for consistent mechanical properties
Automated weight and length measurement systems ensuring full product traceability
1250-ton upsetting machine and thickening lines maintaining API SPEC 5DR compliance
CN furnace heating with quenching and tempering processes for enhanced mechanical characteristics
Hydraulic straightening technology ensuring exceptional straightness and coaxiality

Standard Drill Pipe Specifications

Oil drill pipe specifications chart showing dimensional and technical parameters

Technical Specifications Table

Spec	OD of Drill Pipe Body (mm)	Wall Thickness (mm)	OD of Welding Neck (mm)	Tool Joint	RSC Chamfer Diameter (mm)	Approximation Quality (kg/m)
4-1/2" 13.75 E	114.30	6.88	119.1	NC46	145.26	22.50
4-1/2" 16.60 E	114.30	8.56	127.0	NC50	153.99	27.51
4-1/2" 20.00 E	114.30	10.92	127.0	NC50	153.99	32.93
5" 19.50 E	127.00	9.19	130.2	NC50	153.99	31.79
5" 25.60 E	127.00	12.70	130.2	NC50	153.99	40.73

Tensile Performance Parameters

Grade	Yield Strength (min)	Yield Strength (max)	Tensile Strength (min)
E-75	75,000 Psi / 517 MPa	105,000 Psi / 724 MPa	100,000 Psi / 689 MPa
X-95	95,000 Psi / 655 MPa	125,000 Psi / 862 MPa	105,000 Psi / 724 MPa
G-105	105,000 Psi / 724 MPa	135,000 Psi / 931 MPa	115,000 Psi / 793 MPa
S-135	135,000 Psi / 931 MPa	165,000 Psi / 1,138 MPa	145,000 Psi / 1,000 MPa