Hastelloy G30

Complete Technical Data Sheet for Hastelloy G30 Chemical Composition Mechanical Properties Physical Properties International Standards & Grade Equivalents Key Applications of Hastelloy G30 Chemical Processing Plants Hastelloy G30 is extensively utilized in the manufacture of reactors, piping, and vessels that handle highly corrosive acids such as phosphoric and nitric acid. Its superior corrosion resistance promotes […]

SKU: CMS-3086 Category:
Description

Hastelloy G30

Grade Hastelloy G30 Product Specifications

Grinding Wheel Dressing Machine

Nickel Alloy Plates

Hastelloy G30 nickel alloy plates provide superior corrosion resistance and mechanical strength, making them ideal for chemical reactors, storage tanks, and high-corrosion industrial environments requiring reliable, long-lasting materials.

Diamond wheel dressing machine

Nickel Alloy Bars/Rods

Hastelloy G30 bars and rods offer durability for demanding industrial applications. Used in pressure vessels, support frameworks, and equipment components, they ensure critical performance and material integrity.

Diamond wheel dressing machine

Nickel Alloy Tubes

Hastelloy G30 tubes offer excellent resistance to acidic and oxidizing media. Commonly selected for heat exchangers and fluid transfer systems, they ensure high reliability and extended service life under strict process conditions.

Diamond wheel dressing machine

Nickel Alloy Wire

Hastelloy G30 wire is engineered for welding and fabrication tasks that require precise control and outstanding corrosion resistance. It is suitable for joining and reinforcing critical components in aggressive chemical environments.

Complete Technical Data Sheet for Hastelloy G30


Element Composition (%)
Nickel Balanced
Chromium 20.0-22.0
Molybdenum 8.0-10.0
Tungsten 3.0-4.0
Iron 4.0 max
Cobalt 1.0 max
Sulfur 0.03 max
Carbon 0.01 max
Phosphorus 0.02 max


Property Value
Tensile Strength 80 ksi
Yield Strength 30 ksi
Elongation 50%
Hardness HRB 85


Property Value
Density 8.2 g/cm³
Melting Point 1300°C
Thermal Conductivity 12 W/mK
Electrical Resistivity 0.1 µΩ·m


International Standards Grade Equivalents
ASTM B574 Hastelloy G-30
UNS N06030 Hastelloy® G-30® Alloy
ISO 15156 Alloy G-30
EN 2.4603 Hastelloy G30
ASME SB574 Nickel Alloy G-30

Benefits of Using Hastelloy G30

Exceptional Corrosion Resistance Across Multiple Environments

Exceptional Corrosion Resistance Across Multiple Environments

Hastelloy G30 is engineered to provide outstanding resistance to a broad range of corrosive environments, particularly those involving strong acids such as phosphoric, nitric, and sulfuric acids. Its advanced alloy composition, featuring enhanced levels of chromium, cobalt, and tungsten, minimizes both uniform and localized attack even in mixed chemical streams and highly oxidizing conditions. This superior corrosion resistance translates to longer service life for process equipment, reducing the risk of failure and protecting critical infrastructure from premature degradation.

Enhanced Reliability and Operational Uptime

Utilizing Hastelloy G30 contributes directly to improved operational reliability and equipment uptime. The alloy’s exceptional stability in the as-welded condition significantly decreases susceptibility to heat-affected zone (HAZ) corrosion, a common challenge for lesser alloys. As a result, components fabricated from G30 maintain their integrity after welding and fabrication, supporting continuous plant operations with minimal unplanned downtime and maximizing return on investment.

Enhanced Reliability and Operational Uptime

Cost Efficiency Through Extended Service Intervals

Cost Efficiency Through Extended Service Intervals

Investing in Hastelloy G30 can deliver substantial long-term cost savings for industrial operations. Its high resistance to chemical attack and minimized maintenance requirements enable extended intervals between inspections, repairs, or replacements. Plants can operate more efficiently through reduced maintenance shutdowns, lower material usage for repairs, and fewer labor hours spent on upkeep. This delivers not only direct cost savings but also improves overall productivity in demanding production environments.

Versatility for Complex Industrial Applications

Hastelloy G30’s unique blend of mechanical strength and chemical resistance supports its use in a variety of harsh process settings, from chemical reactors and heat exchangers to piping, storage tanks, and environmental control systems. This versatility allows engineers and designers to specify a single, reliable material for multiple critical applications, streamlining procurement processes and ensuring consistent quality across projects. The alloy’s broad compatibility with other industrial materials further facilitates integration and performance in complex system designs.

Versatility for Complex Industrial Applications

Key Applications of Hastelloy G30

Chemical Processing Plants

Hastelloy G30 is extensively utilized in the manufacture of reactors, piping, and vessels that handle highly corrosive acids such as phosphoric and nitric acid. Its superior corrosion resistance promotes long service life and operational safety in these demanding environments.

Pollution Control and Flue Gas Desulfurization

The alloy’s resilience against aggressive, mixed chemical streams makes it a preferred material for scrubbers, absorbers, and components in flue gas desulfurization systems, contributing to efficient pollutant removal and regulatory compliance within power generation facilities.

Fertilizer and Agrochemical Production

Process equipment in the fertilizer industry, including evaporators and storage tanks, benefits from Hastelloy G30’s robust protection against both uniform and localized corrosion, especially in systems involving wet-process phosphoric acid and other challenging substances.

What Our Clients Say

“After specifying Hastelloy G30 for our new acid processing unit, we’ve experienced outstanding corrosion resistance across every component. Its performance has significantly reduced our maintenance downtime and extended equipment service life.”

James Peterson

James Peterson

Senior Process Engineer

“Our facility faced constant challenges with material degradation until we switched to Hastelloy G30. The technical support and product quality have been exceptional, providing peace of mind for our long-term projects.”

Linda Zhang

Linda Zhang

Procurement Manager

Our Latest Blogs

Alloy 625 Severe Sour Gas Service: Complete Guide

Alloy 625 is the default nickel-based alloy for severe sour gas service, qualified under NACE MR0175/ISO 15156 for all H2S…

Super 13Cr Stainless Steel: CO2 & Sour Service Guide

Super 13Cr stainless steel is a low-carbon, nickel- and molybdenum-strengthened martensitic grade (UNS S41425, S41426, S41427) built to outlast conventional…

Inconel 718 vs 725 vs 925: The Complete Selection Guide

Inconel 718, 725, and 925 are all age-hardenable nickel alloys, but each is built for a different job. Choose Inconel…

Duplex Stainless Steel Sour Service: 2205 vs 2507 Limits

Yes, duplex stainless steel sour service is practical and proven, but only within defined NACE MR0175/ISO 15156 limits. Standard duplex…

What Is Sour Service? H2S Environments Explained

Sour service is oil and gas equipment exposure to hydrogen sulfide (H2S) that can crack steel and other alloys. Under…

Sulfide Stress Cracking: Hardness Limits & Prevention

Sulfide stress cracking (SSC) is a form of hydrogen embrittlement that occurs when high-hardness steel under tensile stress is exposed…

NACE MR0175/ISO 15156 Explained: Sour Service Guide

NACE MR0175/ISO 15156 is the international standard that governs metallic materials for oil and gas production environments containing hydrogen sulfide…

How to Select Corrosion-Resistant Alloys for Sour Service

To select a corrosion-resistant alloy for sour service, characterize the environment first, classify sour severity by H2S partial pressure, screen…

Frequently Asked Questions

What is Hastelloy G30 primarily used for?
Hastelloy G30 is widely used in chemical processing, fertilizer production, power generation, and waste treatment industries due to its exceptional resistance to corrosion in harsh environments, particularly those involving phosphoric acid.

What are the main elements in Hastelloy G30’s composition?
Hastelloy G30 primarily consists of nickel, chromium, iron, molybdenum, cobalt, tungsten, and copper, providing a unique balance of strength and corrosion resistance.

How does Hastelloy G30 perform in phosphoric acid environments?
Hastelloy G30 offers outstanding resistance to localized and uniform corrosion in wet-process phosphoric acid, making it ideal for equipment in fertilizer manufacturing.

In which product forms is Hastelloy G30 available?
The alloy is available as plates, sheets, bars, billets, pipes, tubes, wires, welding electrodes, fittings, and flanges to satisfy a wide range of engineering requirements.

Is Hastelloy G30 suitable for welding applications?
Yes, Hastelloy G30 demonstrates exceptional weldability and resists grain boundary precipitation in welded conditions, ensuring reliable performance of welded joints.

What are the temperature limits for Hastelloy G30?

Hastelloy G30 retains its mechanical properties and corrosion resistance across a broad temperature range, making it suitable for both low- and moderately high-temperature applications.

How does Hastelloy G30 compare to other nickel alloys?

Hastelloy G30 provides superior corrosion resistance, especially in mixed acid environments, outperforming many other nickel-based alloys in aggressive service conditions.

Can Hastelloy G30 be customized for specific applications?

Yes, Hastelloy G30 can be manufactured in various forms and sizes according to project specifications and application requirements. Technical support is available to assist with selection and design.

Shipping and Delivery

MAECENAS IACULIS

Vestibulum curae torquent diam diam commodo parturient penatibus nunc dui adipiscing convallis bulum parturient suspendisse parturient a.Parturient in parturient scelerisque nibh lectus quam a natoque adipiscing a vestibulum hendrerit et pharetra fames nunc natoque dui.

ADIPISCING CONVALLIS BULUM

  • Vestibulum penatibus nunc dui adipiscing convallis bulum parturient suspendisse.
  • Abitur parturient praesent lectus quam a natoque adipiscing a vestibulum hendre.
  • Diam parturient dictumst parturient scelerisque nibh lectus.

Scelerisque adipiscing bibendum sem vestibulum et in a a a purus lectus faucibus lobortis tincidunt purus lectus nisl class eros.Condimentum a et ullamcorper dictumst mus et tristique elementum nam inceptos hac parturient scelerisque vestibulum amet elit ut volutpat.