Nickel-based Alloy Hexagonal Bar Introduction

Nickel-based alloy hexagonal bars are solid, elongated metal rods with a hexagonal cross-section, primarily composed of nickel.

2. Common Nickel-Based Alloy Hexagonal Bar Grades and Composition

GH3128: Key constituents include nickel (balance), tungsten (7.50 - 9.00%), molybdenum (7.50 - 9.00%), aluminum (0.40 - 0.80%), titanium (0.40 - 0.80%), offering high plasticity, excellent persistent creep strength, and good oxidation resistance, as well as stamping and welding properties.

(2) Inconel 625: Contains elements such as nickel (≥58%), chromium (20-23%), molybdenum (8-10%), offering excellent corrosion resistance to a variety of oxidizing and reducing environments. It demonstrates superior resistance to pitting, crevice, intergranular, and general attack in chloride media.

(3) Monel 400: Approximately 63% nickel content, with copper, iron, manganese, and other elements. This alloy boasts excellent corrosion resistance in fluorine media and also demonstrates superior resistance to hot concentrated alkaline solutions.

(4) Common nickel-based alloy hexagonal bars include Inconel 718, Hastelloy C-276, and so on.

3. Features:

Excellent corrosion resistance: Nickel boasts high chemical stability, maintaining good stability in various corrosive environments. Therefore, nickel hexagonal bars can be used in media with strong corrosion, such as in the chemical industry, marine fields, and more.

(2) Enhanced Strength and Hardness: Appropriately processed and treated, nickel hexagonal bars can achieve high strength and hardness, capable of withstanding certain loads and stresses.

(3) Excellent Machinability: Nickel hexagonal rods feature good plasticity and machinability, which allow them to be processed into various specifications and shapes through methods such as forging, rolling, and stretching, meeting diverse application requirements.

4. Usage:

(1) Aerospace Industry: In the combustion chamber flame tubes, afterburner shells, and control blades of aircraft engines, materials with high temperature strength and excellent corrosion resistance are required. Nickel hexagonal bars, due to their superior properties, are suitable for manufacturing these critical components.

(2) Chemical Industry: Various corrosive media are often involved in the chemical production process. Nickel hexagonal bars can be used to manufacture parts for chemical equipment, such as the stirrer shaft of a reactor and the heat exchange tubes of a heat exchanger, etc.

(3) Marine Engineering Field: The marine environment demands high corrosion resistance from materials. Nickel hexagonal bars can be used to manufacture structural components for offshore platforms and ship parts, capable of withstanding seawater corrosion.

(4) Electronic Field: In certain electronic devices, materials with excellent conductivity and corrosion resistance are required. Nickel hexagonal rods can be used to manufacture components such as pins and connectors for electronic parts.