*Similar Grade

GB	JIS	Trademark	UNS	DIN EN/DIN	W-Nr.	NF	BS EN/BS
GH3652 NS3306 NS336	NCF 625	Inconel 625	N06625	NiCr22Mo9Nb	2.4856	NiCr22Mo9Nb	NiCr22Mo9Nb NA21 NA 43

 

*Product Forms

Pipe, Tube, Sheet, Strip, Plate, Round Bar, Flat Bar, Forgings, Hexagon, Wire

 

*Brief

A nickel-chromium-molybdenum alloy with an addition of niobium that acts with the molybdenum to stiffen the alloy's matrix and thereby provide high strength without a strengthening heat treatment. The alloy resists a wide range of severely corrosive environments and is especially resistant to pitting and crevice corrosion. Used in chemical processing, aerospace and marine engineering, pollution-control equipment, and nuclear reactors.

 

*Chemical Composition,%

%	Ni	Cr	Fe	C	Mn	Si	P	S	Co	Mo	Nb	Al	Ti
Min	58.0	20.0								8.0	3.15
Max		23.0	5.0	0.1	0.5	0.5	0.02	0.015	1.0	10.0	4.15	0.4	0.4

 

*Typical Physical & Mechanical Property(Solution Annealed)

Density	Melting point	Tensile strength, MPa	Yield strength, MPa	Elongation,%
8.44g/cm3	1290-1350℃	827-1034	414-655	30-60

 

*Specification

Rod, Bar, Wire, Forgings	ASTM B446/ASME SB446(Rod, Bar), ASTM B564/ASME SB564(Forgings), DIN 17752(Rod, Bar)/17753(Wire)/17754(Forgings), ISO 9723(Rod, Bar)/9724(Wire)/9725(Forgings)
Plate, Sheet, Strip	ASTM B443/ASME SB443(Plate, Sheet, Strip), DIN 17750(Plate, Strip, Sheet), ISO 6208(Plate, Sheet, Strip), EN10095(Plate, Sheet, Strip), DIN 17750(Plate, Sheet, Strip)
Pipe, Tube	ASTM B444/ASME SB444/ASTM B829/ASME SB829(Pipe, Tube), ASTM B704/ASME SB704/ASTM B751/ASME SB751/ASTM B705/ASME SB705/ASTM B775/ASME SB775(Welded Tube), DIN 17751(Tube), ISO 6207(Tube)
Others	ASTM B366/ASME SB366(Fittings), DIN17744
Welding Products	Inconel Filler Metal 625-AWS A5.14/ERNiCrMo-3

 

*Feature

1. High creep-rupture strength

2. Oxidation resistant to 1800°F

3. Good fatigue resistance

4. Excellent weldability

5. Outstanding resistance to chloride pitting and crevice corrosion

6. Immune to chloride ion stress corrosion cracking

7. Resistant to seawater under both flowing and stagnant conditions and under fouling

 

*Application

1. Aircraft ducting systems

2. Jet engine exhaust systems

3. Engine thrust-reverser systems

4. Bellows and expansion joints

5. Turbine shroud rings

6. Flare stacks

7. Seawater components

Chemical process equipment handling mixed acids both oxidizing and reducing