AISI 4340 Chromoly Alloy Oil Drilling Pipe , Seamless Steel Pipe for Nonferrous Metal Mining Projects

AISI 4340 Chromoly Alloy Oil Drilling Pipe , Seamless Steel Pipe for Nonferrous Metal Mining Projects

Description

This AISI 4340 chromoly alloy drilling pipe represents advanced seamless tubing engineered for the most demanding oil drilling and nonferrous mining operations. Manufactured from nickel-chromium-molybdenum alloy steel, it delivers exceptional mechanical properties including ultra-high tensile strength (minimum 130,000 psi yield strength), superior fracture toughness, and outstanding fatigue resistance in extreme operating conditions.

The pipe's sophisticated alloy composition provides unparalleled performance in abrasive nonferrous mining environments, particularly in copper, lithium and nickel extraction where equipment faces aggressive wear and corrosive challenges. Its enhanced strength-to-weight ratio makes it ideal for deep-hole drilling applications while maintaining structural integrity under maximum compression loads and severe torsional stresses.

Precision-engineered through specialized heat treatment and quenching processes, each length undergoes rigorous ultrasonic testing and quality verification. This seamless pipe offers superior reliability for both drill string components and production casing in critical mining operations, demonstrating exceptional resistance to stress corrosion cracking and hydrogen embrittlement - essential characteristics for maintaining operational safety and efficiency in the world's most challenging nonferrous mining projects.

Specification

ASTM A519 4130 Pipe Chemical Composition

ASTM A519 4130 Pipe Mechanical Properties

ASTM A519 4130 Steel Pipe Equivalent

Packing
Bundles with plastic end caps, wooden box package

Application

Mine blasting
Water well drilling
Geothermal wells drilling
Fore poling
Coal
Nonferrous metal mining projects

Jiangsu Hongbao Group (Pipe) Co., Ltd. (Zhangjiagang Hongda Pipe Co., Ltd.) is a high-tech company in Jiangsu province. The company has a registered capital of RMB 89 million, covers an area of 130,000 square meters, employs 600 staff, and has annual sales of RMB 400 million. The company is specialized in producing and selling high-end bearing tubes, auto alloy tubes, titanium and titanium alloy tubes, nickel and nickel-based alloy tubes, refrigerator condenser tubes, aluminum and aluminum alloy tubes and the like.

The company focuses on the development of new products, and has successively developed high diameter-wall ratio titanium-molybdenum-nickel alloy seamless steel tubes, nuclear power plant reactor driving mechanism used martensite stainless steel seamless steel tubes, auto critical components used alloy steel tubes, high-end refrigerator used corrosion-resistance galvanized condenser tubes, marine engineering and complex environment oilfield used high-strength corrosion-resistance G3 tubes, among which, nuclear power plant reactor driving mechanism used martensite stainless steel seamless steel tube has obtained high-tech product certificate of the province.

At present, the company has obtained authorization for 7 patents for invention, and 8 patents for utility model.