Overview of Inconel 625 or Alloy 625 and Their Applications

Alloy 625 is an alloy composed of nickel, chromium, and molybdenum, which possesses remarkable resistance to oxidation and corrosion. It further showcases high strength and toughness, rendering it appropriate for utilization across several industrial fields such as chemical processing, aerospace, marine engineering, and beyond. As the leading Inconel 625 Alloy stockist and supplier in India, MV Super Alloys is committed to providing high-quality products at competitive pricing without compromising on excellence. Additionally, we offer Inconel 625 Alloys as Plates, Sheets, Strips, Bars, Rods, Wires, Forgings, Pipes, and Tubes, so that our customers can choose the one that suits their projects.

In this blog post, we will have an overview of Inconel 625 and its applications!

Overview of Inconel 625 Alloy

Inconel alloy 625, also known as UNS designation N06625, is a top-performing nickel-based superalloy. Its remarkable strength properties and ability to withstand elevated temperatures make it an excellent choice for demanding applications. Additionally, it boasts impressive corrosion and oxidation resistance. Its versatile nature, namely its ability to persevere in high-stress situations both in and out of the water and resist corrosion even when exposed to highly acidic environments, makes it a suitable option for nuclear and marine applications.

Characteristics of Inconel 625 Alloys

• Excellent mechanical property at both very low and very high temperatures.
• Outstanding resistance to pitting, crevice corrosion, and intercrystalline corrosion.
• The cracking of chloride-induced stress corrosion is virtually nonexistent.
• Exceptional resistance to oxidation at high temperatures.
• Good resistance to acids, such as nitric, phosphoric, sulfuric, and hydrochloric, as well as to alkalis makes possible the construction of thin structural parts of high heat transfer.

 Uses of Inconel 625 Alloys

Inconel UNS N06625 is primarily utilized in the aerospace and marine engineering industries, where it serves as a reliable solution for components that must endure harsh conditions like extreme temperatures or corrosive environments. For instance, it is commonly used for exhaust systems and fuel lines on planes or ships. Moreover, it possesses resistance to a broad spectrum of chemicals, making it an ideal option for chemical processing equipment. In addition, this material is highly sought-after for industrial manufacturing projects that demand superior mechanical properties, such as high-tensile strength valves or fasteners.

Advantages of Inconel 625 Alloys

Inconel 625 is a highly versatile nickel-based superalloy that offers several advantages in various applications. 

Here are some of the key advantages of Inconel 625 alloys:

• High-temperature strength: Can withstand very hot temperatures without losing strength.
• Corrosion resistance: Excellent resistance to rust and damage caused by chemicals.
• High strength and toughness: Strong and durable even under extreme conditions.
• Fatigue and creep resistance: Can handle repeated stress and prolonged exposure to heat without breaking down.
• Easy to weld: Can be joined together using common welding techniques.
• Compatible with different environments: Works well in various conditions, including acids, alkalis, and saltwater.
• Resistant to thermal fatigue: Handles rapid temperature changes without developing cracks.
• Non-magnetic: Does not attract or create magnetic interference.

625 Inconel Alloy Equivalent

Standard	Werkstoff Nr.(WNR)	UNS	JIS	GOST	BS	AFNOR	EN
Inconel 625	2,4856	N06625	NCF 625	ХН75МБТЮ	NA 21	NC22DNB4MNiCr22Mo9Nb	NiCr23Fe

Inconel 625 composition

Elements

Ni

Al

Fe

Mn

C

Si

S

P

Cr

NB + TA

CO (If Determined

Ti

Inconel 625

58.0 min

0.40 max

5.0 max

0.50 max

0.10 max

0.50 max

0.50 max

0.015 max

20.0 – 23.0

3.15 – 4.15

1.0 max

40 max

Mechanical Properties of Inconel 625

Density	Melting Point	Tensile Strength	Yield Strength	Elongation %
8.4 g/cm3	1350 °C (2460 °F)	Psi – 135,000, Mpa – 930	Psi – 75,000, Mpa – 517	42.5%

Physical Properties 625 Inconel Alloys

Density	8.44 g/cm 3 / 0.305 lb/in 3
Melting Point	1290 -1350 (°C) / 2350 – 2460 (°F)
Specific heat @ 70°f	0.098 Btu/lb/°F
Permeability at 200 oersteds (15.9 ka)	1.0006
Curie temperature	-190 (°C) / < -320 (°F)
Young’s modulus (n/mm2)	205 x 10
Annealed	871 (°C) / 1600 (°F)
Quench	Rapid Air

Inconel 625 specification & Standards 

Forms	ASTM	DIN
Sheet/Plate	B 575	17750
Pipe and Tube	B 619/B 775 B 622/B 829 B 626/B 751	17751
Rod, Bar, Wire, and Forging Stock	B 462 B 564 B 574	17752 17753 17754

 

Applications of Inconel 625 Alloys

Inconel 625 is a nickel-chromium-based superalloy known for its excellent corrosion resistance and high strength at elevated temperatures. It has a wide range of applications across various industries. 

Here are some common applications of Inconel 625 alloys:

• Aircraft ducting and exhaust systems
• Engine thrust-reverser systems
• Turbine shroud ring
• Bellows, expansion joints
• Gaskets and damper seals
• Motorsport exhaust and clamps
• Weld overlay and spacers for heat recovery systems
• Furnace muffles
• Valve seats, components, and so on.

Final Words!..

Inconel 625 is a remarkable alloy renowned for its versatility and exceptional performance in challenging environments. Its widespread applications across industries such as aerospace, oil and gas, chemical processing, power generation, and more, showcase its unmatched capabilities. When it comes to sourcing Inconel 625 products, MV Super Alloys is your trusted source. 

As the leading Inconel 625 Alloys stockist and supplier in India, we offer a comprehensive range of products, including bars, sheets, plates, pipes, tubes, strips, and wires, all of which adhere to the highest quality standards. We also supply the raw material with a Material Test Certificate (MTC). Our competitive pricing strategy is also something we are proud of. We recognize that Inconel 625 prices in India are a significant factor in your purchasing decision. Hence, we offer reasonable rates without compromising on quality.

Explore High performing Inconel 625 Alloys Today! That will fulfill your upcoming project requirements!