Why Nickel Alloy Bars Are Used in High-Temperature Industries

Nickel alloys are metals with a high percentage of nickel mixed with chromium, molybdenum, iron, or copper.

Popular Nickel Alloys Include:

• Inconel 600 / 625 / 718
• Incoloy 800 / 825
• Monel 400 / K500
• Hastelloy C22 / C276
• Nickel 200 / 201

These alloys excel where stainless steel or alloy steel cannot survive.

Nickel alloys maintain structural integrity at temperatures where steel loses half its strength.

Temperature Resistance Chart:

• Inconel 600 → Up to 1175°C
• Inconel 625 → Up to 980°C
• Inconel 718 → Up to 700°C (plus super strength)
• Incoloy 800H/HT → Up to 1100°C

This makes nickel bars essential for:

• ✔ Heaters
• ✔ Superheaters
• ✔ Furnace parts
• ✔ Petrochemical reformers

Nickel alloys survive the harshest chemicals and resist:

• ✔ Acids (HCl, H₂SO₄, HNO₃)
• ✔ Chlorides
• ✔ Seawater
• ✔ High-temperature oxidation
• ✔ Sour gas (H₂S)
• ✔ Caustic chemicals

Most common choices:

• Hastelloy C276 → Acidic, corrosive environments
• Monel 400 → Seawater & marine
• Inconel 625 → Hot corrosive gases

Nickel alloy bars do not scale or crack at high heat. Perfect for:

• ✔ Heating elements
• ✔ Thermal cycling
• ✔ Furnace tubes & burners

Stainless steel starts scaling above 800°C, but nickel alloys stay stable.

Even at extreme temperature, nickel alloys:

• Don’t deform
• Don’t creep
• Don’t crack

Crucial for:

• ✔ Turbine engines
• ✔ Heat exchangers
• ✔ Power plant components
• ✔ Petrochemical reformers

Nickel alloys tolerate:

• ✔ Thermal shock
• ✔ Sudden temperature jumps
• ✔ High-temperature fatigue

Excellent for on/off cycles in:

• Power boilers
• Furnaces
• Heat-treat plants

Nickel alloys perform flawlessly under extreme heat, high pressure, and corrosive chemicals — a combination stainless steel cannot handle.

1. Inconel Bars (600 / 625 / 718)

• ✔ Best for high temperature
• ✔ Excellent oxidation resistance
• ✔ Used in aerospace, furnaces, reactors

2. Incoloy Bars (800H / 800HT / 825)

• ✔ Perfect for heat treatment equipment
• ✔ Great for chemical plants

3. Monel Bars (400 / K500)

• ✔ Best for seawater & chloride environments
• ✔ Offshore, pumps, condensers

4. Hastelloy Bars (C22 / C276)

• ✔ Excellent acid resistance
• ✔ Used in chemical reactors, pickling lines

5. Nickel 200 / 201

• ✔ High purity nickel
• ✔ Used in caustic soda production & electrical components

• ✔ Oil & Gas – high-temp pipes, sour gas lines
• ✔ Petrochemical Plants – reformers, crackers
• ✔ Chemical Processing – acid lines, heat exchangers
• ✔ Marine & Offshore – pumps, valves, shafts
• ✔ Aerospace – turbine blades, engine components
• ✔ Power Plants – superheaters, boiler tubes

Verdict: Nickel alloys are the best choice when temperature + corrosion + pressure exist together.

Nickel alloy bars cost more because:

• ✔ Difficult manufacturing
• ✔ High nickel content
• ✔ Complex forging & machining
• ✔ Used in critical applications

But they save money long-term because:

• ✔ No early failure
• ✔ Fewer shutdowns
• ✔ Higher performance
• ✔ Long lifespan

Moksh Tubes supplies:

• Inconel 600 / 625 / 718
• Incoloy 800 / 825
• Monel 400 / K500
• Hastelloy C22 / C276
• Nickel 200 / 201

• ✔ Sizes from 6 mm to 300 mm
• ✔ Hot Rolled, Cold Drawn, Bright Bars
• ✔ MTC 3.1 / 3.2 certified
• ✔ Ultrasonic & PMI testing
• ✔ Export to 45+ countries
• ✔ Precision machining available
• ✔ Cut-to-length service

Nickel alloy bars are the ultimate choice for high-temperature industries because they offer extreme heat resistance, superior corrosion protection, high strength under pressure, and stability under thermal shock.

If your project involves heat, pressure, or corrosion → Nickel Alloys are the safest and most reliable option.

Moksh Tubes supplies a complete range of high-temperature nickel alloy bars built for long-lasting industrial performance.