Superior Mechanical Properties A519 4130 Oil Well Drilling Pipe for Heavy-Weight Drill Pipes

Description

The A519 4130 Oil Well Drilling Pipe stands out for its superior mechanical properties, making it an ideal choice for heavy - weight drill pipes in demanding oil and gas drilling operations. Manufactured from premium 4130 chromium - molybdenum alloy steel and produced in strict accordance with ASTM A519 standards, this seamless pipe boasts exceptional strength and toughness.

It exhibits a minimum tensile strength of 813 MPa and a yield strength of 690 MPa, enabling it to withstand the extreme pressures, torques, and dynamic loads encountered in deep - well and harsh downhole environments. The alloy composition, with precise levels of chromium (0.80 - 1.10%) and molybdenum (0.15 - 0.25%), not only enhances its hardenability and wear resistance but also ensures excellent fatigue resistance, crucial for the prolonged and repetitive stresses on heavy - weight drill pipes.

Through specialized heat treatment processes like quenching and tempering, the pipe achieves a uniform microstructure, further improving its impact toughness across a wide range of temperatures. Whether deployed in high - pressure, high - temperature (HPHT) wells, corrosive formations, or extended - reach drilling scenarios, the A519 4130 pipe delivers reliable performance, minimizing the risk of premature failure and contributing to the efficiency and safety of drilling operations.

Specification

Chemical Composition

Mechanical Properties

Features
High Strength-to-Weight Ratio

Exceptional Toughness

Outstanding Fatigue Resistance

Good H2S Resistance (Limited S & P)

Packing
Standard Export Packing: Bundles with plastic end caps or wooden box package

Application

Mine blasting, water well drilling, geothermal wells drilling, fore poling, coal and nonferrous metal mining projects, etc.