Sandvik 347/347H-8R40 Billet

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Sandvik 347/347H-8R40 Billet
Categories:	Metal; Ferrous Metal; Austenitic; Stainless Steel
Material Notes:	Austenitic stainless steel for high temperatures, ASTM TP347, 347H Sandvik 8R40 is an austenitic, niobium-stabilized stainless chromium-nickel steel for use at temperatures up to 850°C (1560°F). Information provided by Sandvik ASTM 347; UNS S34700; EN 1.4550
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Mechanical Properties	Original Value	Comments

Hardness, Brinell	<= 215
Tensile Strength, Ultimate	515 - 700 MPa
	>= 360 MPa @Temperature 500 °C
	>= 375 MPa @Temperature 300 °C
	375 MPa @Temperature 400 °C
	390 MPa @Temperature 200 °C
	440 MPa @Temperature 100 °C
Tensile Strength, Yield	>= 210 MPa @Strain 0.2 %
	>= 245 MPa @Strain 1 %
	>= 119 MPa @Strain 0.2 %, Temperature 500 °C
	>= 125 MPa @Strain 0.2 %, Temperature 400 °C
	>= 135 MPa @Strain 0.2 %, Temperature 300 °C
	>= 149 MPa @Strain 1 %, Temperature 500 °C
	>= 155 MPa @Strain 0.2 %, Temperature 200 °C
	>= 156 MPa @Strain 1 %, Temperature 400 °C
	>= 167 MPa @Strain 1 %, Temperature 300 °C
	>= 175 MPa @Strain 0.2 %, Temperature 100 °C
	>= 185 MPa @Strain 1 %, Temperature 200 °C
	>= 205 MPa @Strain 1 %, Temperature 100 °C
Elongation at Break	>= 40 %
Reduction of Area	>= 50 %

Component Elements Properties	Original Value	Comments
Carbon, C	0.060 %
Chromium, Cr	17.5 %
Iron, Fe	68.5 %	As Balance
Manganese, Mn	1.7 %
Nickel, Ni	11 %
Niobium, Nb (Columbium, Cb)	>= 0.60 %
Phosphorus, P	<= 0.030 %
Silicon, Si	0.60 %
Sulfur, S	<= 0.015 %

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NSANDV164 / 19058

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