1. What does the designation N06625 / W. Nr. 2.4856 / NiCr22Mo9Nb mean?
Answer:
These designations refer to international classifications of Inconel 625:
N06625 – UNS number (USA)
W. Nr. 2.4856 – Werkstoffnummer (Germany/EU)
NiCr22Mo9Nb – Chemical composition shorthand: Nickel alloy with ~22% Cr, 9% Mo, and Nb (niobium) for strengthening.
All refer to the same high-performance alloy.
2. What key properties make Inconel 625 bars suitable for demanding applications?
Answer:
Inconel 625 provides:
Excellent high-temperature strength up to 980–1000°C
Outstanding oxidation and corrosion resistance
Exceptional resistance to pitting, crevice corrosion, and chloride stress cracking
High fatigue strength and creep resistance
These characteristics make it ideal for harsh and high-stress environments.
3. What production methods are available for Inconel 625 alloy bars?
Answer:
Bars can be supplied as:
Hot-rolled
Cold-drawn
Peeled/turned
Centerless-ground
Forged round bars
Diameter ranges from 6 mm to 300+ mm, depending on customer requirements.
4. What certifications and inspection reports can be provided?
Answer:
We can provide full certification to:
EN 10204 3.1 or 3.2
Chemical composition report
Mechanical properties test
PMI (Positive Material Identification)
Ultrasonic testing (UT)
Hardness and tensile tests
All tests can be customized based on project specifications.
5. What are the most common applications of N06625 / Inconel 625 bars?
Answer:
Typical applications include:
Aerospace components and jet engine parts
Chemical processing equipment
Marine and offshore oil & gas systems
Heat-exchanger tubesheets and supports
Fasteners exposed to high heat or corrosion
Nuclear industry components
Its durability in extreme conditions makes it widely used across critical industries.
