Incoloy 840

HuaNickel Incoloy 840 is an austenitic stainless steel containing titanium and aluminum, which has good high temperature stability and corrosion resistance. Incoloy 840 is used in heating tubes, heat exchangers, equipment heaters, industrial furnaces and other equipment.

Incoloy840Chemical composition：

C	Si	Mn	P	S	Ni	Cr	Al	Ti
≤0.08	≤1.0	≤1.0	≤0.030	≤0.015	18.00~ 22.00	18.00~ 22.00	≤0.6	≤0.6

Incoloy840Physical properties：

Density g/cm3	Thermal conductivityw/(m.k)100~90℃	Resistivity℃)/  (2.mm2/m)20~900℃	Specific heat capacity℃)/kg/(kg.k)C100~900℃	Linear expansion coefficient(10-6/k)20~900℃
7.93	14.20~276	0.914~1.225		15.37~20.45
temperature0/℃	20
hardnessHB	248~341

Incoloy840Mechanical properties：

		0.2%Yield strength [N/mm²]	Tensile strength [N/mm²]	Elongation [%]	hardness [HV]
Standard value		≥205	≥520	≥30	≤170
Case	Cold-rolled steel plate       0.4mmt	270	540	45	130

Incoloy840Alloy properties：

High Temperature Resistance:HuaNickel Incoloy 840 is an austenitic stainless steel with enough chromium and titanium to make it perform well at high temperatures.

Corrosion resistance: Incoloy 840 has excellent corrosion resistance, especially to sulfates, chlorides, nitrates and other media.

Incoloy840Uses of alloys：

Incoloy84 is mainly used in petrochemical, power industry, aerospace and chemical industries. Incoloy 840 alloy can be used in the manufacture of electric heating pipes, heat exchangers, equipment heaters, industrial heating furnaces and other equipment, and is also commonly used in automobile exhaust systems.

Incoloy840Process performance：

Welding process:HuaNickel Incoloy840 can be joined by a variety of welding methods, including arc welding, argon arc welding, resistance welding, and brazing. These methods are suitable for different welding needs and environments.

Relevant standards：

ASTM A240、ASME SA-240、UNS S33400、NAS H840