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HIDUREL 6

HIDUREL^® 6

HIDUREL 6 Bar stock sizes available
Diameter (in)	Diameter (mm)	kg per m

Specifications of Hidurel 6

MSA-MDS-2H-BAR
BS 4577A Type 2/1

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+ Hidurel 6 Features

+ Applications of Hidurel 6

+ Forms of HIDUREL 6 Available

+ Chemical Specification of Hidurel 6

+ Physical Properties of Hidurel 6

+ Basic Properties of Hidurel 6 - Mechanical Properties

+ Machining Advice of Hidurel 6

+ Alloy Comparisons

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Alloys	Bars & Sections	Hot & Cold Rolled Plate	Ingot & Billet	Forged Products	Sand Castings
HIDURAX 1
HIDURAX 74
HIDUREL 6
HIDUREL 640

Elements	Cr	Cu	Total Impurities
Minimum	0.50	REMAINDER
Maximum	1.20		0.50

Density (Kg.m^-1)	8930
Magnetic Permeability	<1.001
Young’s Modulus (N/mm²)	126 x 10³
Modulus of Rigidity (N/mm²)	42 x 10³
Impact Strength (J)	55-80
Specific Heat, 20°C (J.Kg^-1.°K^-1)	375
Electrical resistivity, 20°C (µO.m)	2.16 maximum
Thermal conductivity,20°C (W.m^-1.°K^-1)	330
Electrical conductivity at 20°C	80% IACS
Mean coefficient of thermal expansion (°K^-1)	17.0 x 10^-6
Coefficient of static friction against mild steel	0.18
Electrode Potential (mV vs SCE)	^-180

Standard Grade
0.1 % Proof Stress (N/mm² )[ksi] minimum	216 [31.3]
Ultimate Tensile Strength (N/mm²) [ksi] minimum	360 [52.2]
Elongation (%) minimum	17
Hardness (HBN)	100-125

Cold Worked
0.1 % Proof Stress (N/mm² )[ksi] minimum	340 [49.3]
Ultimate Tensile Strength (N/mm²) [ksi] minimum	410 [59.5]
Elongation (%) minimum	15
Hardness (HBN)	125-150

Additional Testing (optional)
Magnetic Permeability	<1.001
Electrical Conductivity	<80% IACS

Operation	Cutting Speed m/min (ft/min)	Feed Rate mm/rev (in/rev)	Depth of cut mm (in)
Drilling	15-40 [50-130]	0.075-0.5 [0.003-0.02]
Turning - Roughing	30-60 [100-200]	0.25 [0.01]	2 (0.08)
Turning - Finishing	120-180 [400-600]	0.12 [0.005]	0.3 (0.01)
Tips	Carbide tipped using water-soluble lubricant A chip breaker may be found necessary for efficient operation

Alloy Comparisons	Nickel-Aluminium Bronze	Aluminium-Silicon Bronze	70/30 Copper-Nickel	HIDUREL 6
Strength (0.2% Proof Stress, N/mm²) minimum	247	220	115	216
Impact Energy (J) minimum	23	33	54	34
Electrical Conductivity (%IACS)	8	9	5	80
Thermal Conductivity (W.m^-1.°K^-1)	41	41	30	330

HIDUREL® 6

HIDUREL^® 6