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Alloy 625

Alloy 625

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

+ Alloy 625 Features

+ Applications of Alloy 625

+ Forms of Alloy 625 Available

+ Chemical Specification of Alloy 625

+ Physical Properties of Alloy 625

+ Basic Properties of Alloy 625- Mechanical Properties

+ Machining Advice of Alloy 625 - Hot worked and precipitation hardened alloy

+ KEY Features of Alloy 625

+ Alloy Comparisons

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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

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

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

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