2.4851

HuaNickel 2.4851 alloy is a nickel-based alloy that is resistant to corrosion, high temperature oxidation, and has good thermal strength.

2.4851Chemical composition：

	Fe	Ni	Cr	AI	Mn	Si	C	S	P
Min	Bal	58	21	1	≤
Max		63	25	1.7	1	0.5	0.1	0.015	0.03

2.4851Physical properties：

Density	Melting point/℃	Specific heat capacity/J·(kg·℃)-1 (21℃)	Resistivity/μΩ ·m-			Thermal conductivity/W·(m·℃)-1			Linear expansion coefficient/μm·(m·℃)-
			20℃	100℃	300℃	20℃	100℃	300℃	20℃	100℃	300℃
8.11	1308～1368	448	1.180	1.192	1.220	11.2	12.7	16.0		13.75	14.58

2.4851Mechanical properties：

Alloy varieties and test status	σb/MPa	σp0.2/MPa	δ/%	hardness(HRB)
Bars: Hot processed	585～825	240～690	61～15	65～95
Solid solution	550～790	205～415	70～40	60～80
Medium and heavy plates: solid solution state of plates	550～690	205～310	65～45	60～75
Sheet: cold-rolled	790～1310	690～1025	20～2
Solid solution	585～690	205～345	55～35	65～80
Strip: cold-rolled	790～1310	690～1205	20～2
Solid solution	585～690	205～345	55～35	65～80
Pipe: cold-drawn ten solid solution	550～760	205～415	65～35	70～95
Wire: cold drawn	825～1415	690～1345	20～3
Solid solution	620～790	240～480	45～35
Average for all symbols	515～760	160～380	75～40	55～95

2.4851Alloy properties：

Due to the high nickel content in HuaNickel 2.4851 alloy, it is also very resistant to stress corrosion of chlorides and hydroxides.

2.4851Uses of alloys：

Therefore, it is mainly used in heating equipment, chemical industry, environmental pollution control, aviation, aerospace and power industry. For example, the manufacture of heat treatment equipment and components such as annealing, carburizing, and nitriding.

2.4851Process performance：

Hot and cold working and forming properties:HuaNickel 2.4851 alloy has good cold and hot working properties. The suitable deformation temperature for hot working is 870~1230°C.

Heat treatment: The heat treatment process of HuaNickel 2.4851 alloy is about 1100~1150 °C, and then quenching after heating.

Relevant standards：

GB/T15008、GB/T908、GB/T15009、GB/T15010、GB/T708、GB/T709、GB/T702