1. 4462

HuaNickel 1. 4462 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.

1.4462Chemical 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

1.4462Physical 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

1.4462Mechanical properties：

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

1.4462Alloy properties：

Corrosion Resistance:

Steel	Critical point corrosion temperature (℃)	Critical crevice corrosion temperature (℃)
1. 4462	50	25
SUS 316L	10	0℃hereinafter

1.4462Uses 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.