2.4999 

HuaNickel 2.4999 is a nickel-cobalt-based alloy with a unique combination of properties, including ultra-high strength, good toughness and ductility, and excellent corrosion resistance. Suitable for a wide range of industrial applications, especially where extreme strength and corrosion resistance are required.

2.4999Chemical composition：

	C	Mn	p	S	Si	Cr	Ni	Mo	Co	Ti	B	Fe
Max	0.03	0.15	0.015	0.010	0.15	21	37	10.50	Bal	1.0	0.01	1.0
Min						19	33	9

2.4999Physical properties：

Density	8.43(g/cm3)
Melting point	1440
Coefficient of expansion	21 – 93°C 之间为 12.8 μ m/m °C
Spring toughness	650 °C – 4 Hrs – A/C

2.4999Mechanical properties：

state	anneal	Cold working	aging
Tensile strengthRm/MPa	2896	21379	22034
Yield strengthRpo z/MPa	2379	≥1310	21965
ElongationA/%	265	22	22
Hardness (typical)	90HRB	43HRC	51HRC

2.4999Alloy properties：

Corrosion Resistance: HuaNickel 2.4999 alloy exhibits excellent corrosion resistance and is resistant to sulfides, salt spray, most mineral acids, and other harsh environments. Especially in highly corrosive environments such as hydrogen sulfide and seawater, 2.4999 performs well.

High-temperature performance: 2.4999 alloy is able to maintain its properties at extreme temperatures and is not affected by high-temperature oxidation and hydrogen embrittlement. This makes the 2.4999 suitable for applications such as energy that require high-temperature performance.

2.4999Uses of alloys：

The alloy can be used in fasteners, springs, non-magnetic assemblies, and instrumentation components in medical, seawater, oil and gas well chemistry, and food processing process environments.

2.4999Process performance：

Welding process: 2.4999 alloy has good welding performance. 2.4999 can be joined by a variety of welding techniques, including TIG, MIG, arc, and TIG.

Heat treatment: 2.4999 heat treatment mainly involves the preparation process of the alloy, including smelting, forging and heat treatment.

Relevant standards：

AMS 5844  ISO5832  NACE MR0175 / ISO 15156-3