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347 Stainless Steel Sheet & Coil

Properties

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Stainless Steels Chromium-Nickel-Molybdenum

Types 321 (S32100), 347 (S34700)

Typical Physical Properties
Grade	Density		Modulus of Elasticity in Tension	Melting Range
Grade	g/cm³	lb/in³	Modulus of Elasticity in Tension	Melting Range
321	7.92	0.286	28 x 10⁶ psi 193 GPa	1398-1446°C 2550-2635°F
347	7.96	0.288	28 x 10⁶ psi 193 GPa	1398-1446°C 2550-2635°F

Mean Coefficient of Linear Thermal Expansion
Temperature Range		Coefficients
°C	°F	cm/cm/°C	in/in/°F
20-100	68-212	16.6 x 10^-6	9.2 x 10^-6
20-600	68-912	18.9 x 10^-6	10.5 x 10^-6
20-1000	68-1832	20.5 x 10^-6	101.4 x 10^-6

Thermal Conductivity
Temperature Range		W/m·K	Btu · in / hr · ft² · °F
°C	°F	W/m·K	Btu · in / hr · ft² · °F
20-100	68-212	16.3	112.5
20-500	68-932	21.4	147.7

Specific Heat
Temperature Range		J/kg K	Btu/lb · °F
°C	°F	J/kg K	Btu/lb · °F
0-100	32-212	500	0.12

Magnetic Permeability

H/m Annealed
1.02 Max

Electrical Resistivity
Temperature Range		microhm·cm
°C	°F	microhm·cm
20	68	72
100	213	78
200	392	86
400	752	100
600	1112	111
800	1472	121
900	1652	126

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