347 Stainless Steel, annealed

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347 Stainless Steel, annealed
Categories:	Metal; Ferrous Metal; Heat Resisting; Stainless Steel; T 300 Series Stainless Steel
Material Notes:	Niobium plus Tantalum is ten times the minimum carbon content
Key Words:	AFNOR Z 6 CNNb 18.10, UNI X 8 CrNiNb 18 11, JIS SUS 347, SS14 2338 (Sweden), UNS S34700, AMS 5512, AMS 5556, AMS 5558, AMS 5571, AMS 5575, AMS 5646, AMS 5654, AMS 5674, AMS 5680, AMS 5681, ASME SA182, ASME SA193, ASME SA194, austenitic, ASME SA213, ASME SA240, ASME SA249, ASME SA312, ASME SA320 (B8C), ASME SA358, ASME SA376, ASME SA403, ASME SA409, ASME SA430, ASME SA473, ASME SA479, ASME SA493, ASME SA511, ASME SA554, ASME SA580, ASME SA633, FED QQ-S-763, FED QQ-S-766, B.S. 347 S 17, B.S. En. 58 F, B.S. En. 58 G, B.S. ANC 3 Grade B, FED QQ-W-423, MIL SPEC MIL-S-862, MIL SPEC MIL-S-23196, SAE J405 (30347), DIN 1.4550, ISO 683/13 16
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Physical Properties	Original Value	Comments

Density	8.00 g/cc

Mechanical Properties	Original Value	Comments
Tensile Strength, Ultimate	620 MPa
	69.0 MPa @Temperature 1040 °C
	83.0 MPa @Temperature 980 °C
	105 MPa @Temperature 925 °C
	140 MPa @Temperature 870 °C
	170 MPa @Temperature 815 °C
	215 MPa @Temperature 760 °C
	275 MPa @Temperature 705 °C
	330 MPa @Temperature 650 °C
	380 MPa @Temperature 595 °C
	405 MPa @Temperature 540 °C
	435 MPa @Temperature 480 °C
	455 MPa @Temperature 425 °C
	470 MPa @Temperature 370 °C
	495 MPa @Temperature 315 °C
	510 MPa @Temperature 260 °C
	525 MPa @Temperature 205 °C
	540 MPa @Temperature 150 °C
	580 MPa @Temperature 95.0 °C
Tensile Strength, Yield	255 MPa @Strain 0.2 %
	83.0 MPa @Strain 0.2 %, Temperature 925 °C
	105 MPa @Strain 0.2 %, Temperature 870 °C
	115 MPa @Strain 0.2 %, Temperature 815 °C
	130 MPa @Strain 0.2 %, Temperature 760 °C
	140 MPa @Strain 0.2 %, Temperature 595 °C
	140 MPa @Strain 0.2 %, Temperature 650 °C
	140 MPa @Strain 0.2 %, Temperature 705 °C
	145 MPa @Strain 0.2 %, Temperature 480 °C
	145 MPa @Strain 0.2 %, Temperature 540 °C
	150 MPa @Strain 0.2 %, Temperature 425 °C
	160 MPa @Strain 0.2 %, Temperature 370 °C
	170 MPa @Strain 0.2 %, Temperature 315 °C
	195 MPa @Strain 0.2 %, Temperature 260 °C
	205 MPa @Strain 0.2 %, Temperature 205 °C
	240 MPa @Strain 0.2 %, Temperature 150 °C
	250 MPa @Strain 0.2 %, Temperature 95.0 °C
Elongation at Break	50 %	in 50 mm
	34 % @Temperature 480 °C	in 50 mm
	34 % @Temperature 540 °C	in 50 mm
	35 % @Temperature 595 °C	in 50 mm
	35 % @Temperature 315 °C	in 50 mm
	35 % @Temperature 370 °C	in 50 mm
	35 % @Temperature 425 °C	in 50 mm
	36 % @Temperature 650 °C	in 50 mm
	36 % @Temperature 705 °C	in 50 mm
	36 % @Temperature 260 °C	in 50 mm
	37 % @Temperature 760 °C	in 50 mm
	38 % @Temperature 205 °C	in 50 mm
	40 % @Temperature 815 °C	in 50 mm
	40 % @Temperature 870 °C	in 50 mm
	42 % @Temperature 150 °C	in 50 mm
	45 % @Temperature 95.0 °C	in 50 mm
	45 % @Temperature 925 °C	in 50 mm
	50 % @Temperature 980 °C	in 50 mm
	60 % @Temperature 1040 °C	in 50 mm
Modulus of Elasticity	195 GPa
Poissons Ratio	0.27
Shear Modulus	77.0 GPa
Izod Impact	120 - 160 J
Charpy Impact	160 J

Electrical Properties	Original Value	Comments
Electrical Resistivity	0.0000730 ohm-cm @Temperature 20.0 °C
Magnetic Permeability	1.008	at RT

Thermal Properties	Original Value	Comments
CTE, linear	17.3 µm/m-°C @Temperature 0.000 - 100 °C
	17.8 µm/m-°C @Temperature 0.000 - 260 °C
	18.4 µm/m-°C @Temperature 0.000 - 540 °C
	18.7 µm/m-°C @Temperature 0.000 - 650 °C
Specific Heat Capacity	0.500 J/g-°C @Temperature 0.000 - 100 °C
Thermal Conductivity	16.3 W/m-K @Temperature 100 °C
	21.5 W/m-K @Temperature 500 °C
Melting Point	1400 - 1425 °C
Solidus	1400 °C
Liquidus	1425 °C
Maximum Service Temperature, Air	870 °C	Intermittent
	925 °C	Continuous Service

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.080 %
Chromium, Cr	17 %
Iron, Fe	68 %
Manganese, Mn	<= 2.0 %
Nb + Ta	0.80 %
Nickel, Ni	11 %
Phosphorus, P	<= 0.045 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.030 %

References for this datasheet.

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