Alloy 625 Inconel 625 Fasteners UNS N06625 DIN 2.4856 Bolt Nut Washer

Alloy 625 Inconel 625 UNS N06625 DIN 2.4856 Nickelvac 625 Nickel Alloy Fasteners

1.Inconel 625 Introduction

Inconel 625 is a nickel-chromium alloy that is used for its high strength, excellent fabricability, and outstanding corrosion resistance. The strength of Inconel 625 comes from the stiffening effect of molybdenum and niobium on its nickel-chromium matrix. This combination of elements also is responsible for superior resistance to a wide range of corrosive environments of unusual severity as well as to high-temperature effects such as oxidation and carburization.

Inconel 625 is used primarily in four applications: seawater, aerospace, chemical processing, and nuclear. Inconel 625 is a great choice for seawater applications because of its high corrosion-fatigue strength, high tensile strength, and its resistance to chloride-ion stress-corrosion cracking. In aerospace applications, Inconel 625 is used because of its superior tensile, creep and rupture strength, as well as its outstanding fatigue and thermal fatigue strength. Inconel 625 can also be used in chemical processing because of its impressive and versatile corrosion resistance under a wide range of temperatures and pressures. Inconel 625’s high strength, excellent uniform corrosion resistance, resistance to stress cracking & pitting make it an excellent choice for the nuclear field.

Chemical Composition, %

2.Alloy 625 Fasteners

Nickel Systems stocks hex bolts, hex nuts, washers and threaded rod in Alloy 625. The diameter range is principally from 1/2” to 3/4″.

Alloy 625 combines heat resistance, corrosion resistance and strength. Alloy 625 fasteners are used in environments from cryogenic to 1800º F (1000º C). Resistance to oxidation is a primary characteristic. Like Alloy C276, Alloy 625 is a nickel-chrome-molybdenum alloy. The addition of niobium creates a stronger material. Common applications are in marine environments and pollution control equipment.

3.Inconel 625 Characteristics

• Non-magnetic
• Corrosion resistant
• Oxidation resistant
• Carburization resistant
• Nickel-based alloy
• Cryogenic to 2000°F temperature range
• High corrosion-fatigue strength
• High tensile strength

Applications

• Aerospace industry
• Chemical processing
• Nuclear industry
• Heat shields
• Furnaces
• Sea water applications
• Marine
• Submarine
• Navy
• Nuclear power plants: core and control rod bolts
• Gas turbine engines
• Pollution control equipment
• Flare stacks

Our hex nut styles include:

• Finished hex
• Machine screw nut
• Heavy hex nut
• Nylon insert lock nuts
• Top lock nuts