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Alloy 625

Inconel 625

Alloy	Common Name	Related Specifications			Tensile Strength	Proof Stress	Elongation
Alloy	Common Name	British	European	United States	Tensile Strength	Proof Stress	Elongation
Alloy 625	INCONEL 625	BS 3076 NA21		ASTM B564, B446 N06625	758 [110]	344 [49.9]	60

N06625, NA21

Alloy 625 Bar stock sizes available
Diameter (in)	Diameter (mm)	kg per m
1	25.40	4.28
1 1/2	38.10	9.62
2	50.80	17.11
2 1/2	63.50	26.73
3	76.20	38.49
3 1/2	88.90	52.39
4	101.60	68.43
5	127.00	106.92
6	152.40	153.96
8	203.20	273.70

Specifications of Alloy 625

ASTM B564 N06625
ASTM B446 N06625
BS 3076 NA21

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LANGALLOY 625 Bar Purchase Specification

Chemical Specification of Alloy 625

Basic Properties of Alloy 625- Mechanical Properties

Physical Properties of Alloy 625

Applications of Alloy 625

Alloy 625 Features

Forms of Alloy 625 Available

Machining Advice of Alloy 625 - Hot worked and precipitation hardened

Alloy Comparisons

KEY Features of Alloy 625

Disclaimer
Data in this Alloy 625 page is provided solely for the purposes of distribution of information. Langley Alloys cannot make guarantees with respect to subject matter or accuracy of this information. Langley Alloys specifically disclaims all guarantees, expressed, implied or otherwise, including without limitation, all warranties of merchantability and fitness for a particular purpose. This publication may include technical inaccuracies or typographical errors. If errors are found, please make a notification via e-mail to: info@langleyalloys.com

Elements	Al	C	Co	Fe	Mo	Mn	Nb	Ni	P	S	Si	Ti
Minimum			20.0		8.0		3.15	58.0
Maximum	0.40	0.10	23.0	5.0	10.0	0.50	4.15		0.015	0.015	0.50	0.4

Annealed Condition
Bar - Rulling Sections up to and including 101.6mm (4")
0.2% Proof Stress (N/mm2)[ksi] minimum	415 [60]
Ultimate Tensile Strength (N/mm2)[ksi] minimum	830 [120]
Elongation (%) minimum	30

Bar - Rulling Sections greater than 101.6mm (4")
0.2% Proof Stress (N/mm2)[ksi] minimum	345 [50]
Ultimate Tensile Strength (N/mm2)[ksi] minimum	760 [110]
Elongation (%) minimum	25

Density (Kg.m-1)	84.4
Magnetic Permeability (20°C)	<1.001
Curie Temperature (°C)	-160
Young’s Modulus (N/mm2)	205 x 10
Specific Heat, 20°C (J.Kg-1.°K-1)	410
Specific Electrical Resistance, 20°C (?O.m)	1.29
Thermal conductivity,20°C (W.m-1.°K-1)	9.9
Mean coefficient of thermal expansion, 20-100°C (°K-1)	12.8 x 10

Operation	Cutting Speed m/min (ft/min)	Feed Rate mm/rev (in/rev)	Depth of cut mm (in)
Milling	11 - 14 (35 - 45)	0.1-0.2 mm/tooth 0.004-0.008 in/tooth	0.2-3.0 (0.007-0.12)
Drilling – 6.4mm (1/4”) dia	9-12 (29-38)	0.05 (0.002)
Drilling – 12.7mm (1/2”) dia	9-12 (29-38)	0.13 (0.005)
Drilling – 25.4mm (1”) dia	9-12 (29-38)	0.25 (0.01)
Turning - Roughing	30 - 45 (100 - 150)	0.40 – 0.50 0.015-0.020)	2.5 (0.1)
Turning - Finishing	50 - 6- (165-200)	0.13 – 0.20 (0.005-0.008)	0.25 (0.01)
Tooling	Milling/Turning: Carbide (SANDVIK GC 235, SECO T25M) , point angle 118°, chisel angle 120°Drilling: HSS

Alloy Comparisons	N06625	NO4400	N05500	S31803	FERRALIUM 255-SD50
0.2% Proof Strength (N/mm²), minimum	415	170	690	450	600
Corrosion Rate (mm.y^-1) Seawater	0.01	0.25	0.18	<0.01	<0.01
Corrosion Rate (mm.y^-1) 10% sulphuric acid at 80°C	0.15	0.06	0.1	0.4	<0.15
Corrosion Rate (mm.y^-1) Boiling 50% nitric acid	1.8	1.1	<2	>5	>5