AMS 5666 Inconel 625

Product Overview

Description

 

ams 5666 inconel 625

 

Inconel Alloy 625

 

Common Trade Names: Inconel 625, Alloy 625, Nickel 625, Chornin 625, Altemp 625, Nickelvac 625, Haynes 625, Nicrofer® 6020.

INCONEL nickel-chromium alloy 625 (UNS N06625/W.Nr. 2.4856) is used for its high strength, excellent fabricability (including joining), and outstanding corrosion resistance. Service temperatures range from cryogenic to 1800°F (982°C). 

Strength of INCONEL alloy 625 is derived from the stiffening effect of molybdenum and niobium on its nickel-chromium matrix; thus precipitation-hardening treatments are not required. 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.

Available Product Forms: 
Rod, bar, forgings, wire, plate, sheet, strip, pipe, tube, pipe fittings.

Specifications

INCONEL alloy 625 is designated as UNS N06625, Werkstoff Number 2.4856 and ISO NW6625 and is listed in NACE MR-01- 75 for oil and gas service. 

Rod, Bar, Wire and Forging Stock:  ASTM B564, ASTM B472, ASTM B446.

Plate, Sheet and Strip: - ASTM B 443;
Pipe & Tube: ASTM B444;

Pipe fittings: ASTM B366 WPNCMC

 

Chemical Composition

Nickel	58 min.
Cromium	20.0 - 23.0
Iron	5.0 max.
molybdenum	8.0 - 10.0
Niobium (plus Tantalum)	3.15 - 4.15 max.
Carbon	0.010 max.
Manganese	0.50 max.
Silicon	0.50 max
Phosphorus	0.015 max.
sulfur	0.015 max.
Aluminium	0.40 max.
Titanium	0.40 max.
Cobalta	1.0 max.

 

 

 

 

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