X2CrNiMoN22-5-3

HuaNickel X2CrNiMoN22-5-3 is an austenitic-ferritic duplex stainless steel with excellent corrosion resistance and strength characteristics. Compared with HuaNickel SUS 316L and SUS 317L, it has better local corrosion resistance and can be used in complete chemical equipment and seawater desalination equipment.

X2CrNiMoN22-5-3Chemical composition：

	C	Si	Mn	P	S	Ni	Cr	Mo	N
Min	―	―	―	―	―	4.5	22	3	0.14
Max	0.03	1	2	0.03	0.02	6.5	23	3.5	0.2

X2CrNiMoN22-5-3Physical properties：

Specific heat(J/kg･K)		460
Resistivity(μΩ･cm)		87.0
Thermal conductivity(W/m･K)		13.9
Average coefficient of thermal expansion(10-6/℃)	20–100℃	12.7
	20–200℃	13.1
	20–300℃	13.5
	20–400℃	13.8
Longitudinal modulus of elasticity(MPa)		19.5 x  10^4
Ferromagnetic		Yes
Melting point(℃)		1420-1465

X2CrNiMoN22-5-3Mechanical properties：

0.2%Yield strength(N/mm2)	Tensile strength(N/mm2)	Elongation(%)	Hardness
≧ 450	≧ 655	≧ 25	(Hv)	(HB)
93	455	572	―	―

X2CrNiMoN22-5-3 Alloy properties：

Corrosion Resistance:

Steel	Critical point corrosion temperature (℃)	Critical crevice corrosion temperature (℃)
X2CrNiMoN22-5-3	50	25
SUS 316L	10	0℃hereinafter

X2CrNiMoN22-5-3Uses of alloys：

Typical applications include pumps, valves, flanges, and piping systems for a wide range of applications in the oil and gas, chemical, power, and brewing industries.