Alloy K500

Precipitation hardened nickel-copper alloy, K500 exhibits outstanding corrosion resistance.

With the addition of titanium and aluminium, Alloy K500 can be heat treated to give higher strength. The alloy has similar corrosion resistance to Alloy 400 in a wide range of media including seawater, hydrofluoric acid, sulphuric acid and alkalis.

Inventory

Product form	Size range from	Size range to
Alloy K500 round bar	9.5 mm	254 mm
Alloy K500 sheet & plate	25.4 mm	44.45 mm

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Sheet & Plate
Round Bar

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Chemical Analysis

%	C	Mn	Si	S	Ni	Cu	Ti	Al	Fe
Min	0	0	0	0	63	27	0.35	2.3	0
Max	0.25	1.5	0.5	0.01	70	33	0.85	3.15	2

Applications

Ideal for applications in the Oil & Gas industry

Alloy K500 can be used in a variety of applications including:

Fasteners
Springs
Chains
Pump and valve components
Blades and scrapers
Oil-weld tools
Marine propeller shafts

About Alloy K500

Alloy K500 has outstanding corrosion resistance in a variety of environments and is currently employed in marine, oil and gas and chemical environments. The alloy has excellent mechanical properties ranging from sub-zero temperatures up to around 480°C. Alloy K500 demonstrates excellent corrosion resistance in many environments including pure water to non-oxidising mineral acids, salts and alkalis.

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Properties

Density:: 8.44 g/cm³
Melting Range:: 1315 - 1350 °C
Hardness:: 75HRB - 37HRC
Specific Heat Capacity:: 419 J/kg.°C
Electrical Resistivity:: 0.615 µΩ.m
Curie Temperature:: ‒100°C
Poissson's Ratio:: 0.32

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Mechanical & Physical Properties

Mechanical & Physical Properties	-200°C	-157°C	-130°C	-70°C	21.1°C	100°C	204.4°C	315.6°C	400°C	537.8°C	648.9°C
Ultimate Tensile Strength /MPa	-	-	-	-	1100	1040	1020	980	890	750	620
0.2% Yield Strength /MPa	-	-	-	-	690	670	640	620	600	570	490
Reduction of area %	-	-	-	-	-	-	-	-	-	-	-
Elongation %	-	-	-	-	24	-	-	-	-	-	-
Charpy Impact V-notch /J	-	-	-	-	68	-	-	-	-	-	-
Coefficient of Thermal Expansion /µm/m°C	11.2	11.7	12.2	13	13	13.7	14.6	14.9	15.3	15.7	16.4
Thermal Conductivity /kcal/(hr.m.°C)	-	10.6	11.3	12.64	14.79	16.68	19.09	21.84	24.25	27	29.41
Modulus of Elasticity / GPa	-	-	-	-	179	-	-	-	-	-	-

Mechanical & Physical Properties

Mechanical & Physical Properties	-200°C	-157°C	-130°C	-70°C	21.1°C	100°C	204.4°C	315.6°C	400°C	537.8°C	648.9°C
Ultimate Tensile Strength /MPa	-	-	-	-	1100	1040	1020	980	890	750	620
0.2% Yield Strength /MPa	-	-	-	-	690	670	640	620	600	570	490
Reduction of area %	-	-	-	-	-	-	-	-	-	-	-
Elongation %	-	-	-	-	24	-	-	-	-	-	-
Charpy Impact V-notch /J	-	-	-	-	68	-	-	-	-	-	-
Coefficient of Thermal Expansion /µm/m°C	11.2	11.7	12.2	13	13	13.7	14.6	14.9	15.3	15.7	16.4
Thermal Conductivity /kcal/(hr.m.°C)	-	10.6	11.3	12.64	14.79	16.68	19.09	21.84	24.25	27	29.41
Modulus of Elasticity / GPa	-	-	-	-	179	-	-	-	-	-	-

Specifications

UNS Number:: N05500
Werkstoff Number:: 2.4375
Standards:: ASTM B865, AMS 4676

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