EOS StainlessSteel 17-4PH DMSL on EOS M 290

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EOS StainlessSteel 17-4PH DMSL on EOS M 290
Categories:	Metal; 3D Printing/Additive Manufacturing Metal; Ferrous Metal; Stainless Steel
Material Notes:	Description: Precipitation hardening steels are widely used in engineering applications, which require corrosion resistance and strength. Parts built from EOS StainlessSteel 17-4PH can be machined, shot-peened and polished in as-built or heat treated states. Solution annealing together with ageing treatment are necessary in order to achieve proper hardness and mechanical properties (ASTM A564 – 13). Due to the layerwise building method, the parts have a certain anisotropy which can be eased by solution annealing. Information provided by EOS GmbH (Electro Optical Systems).
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Physical Properties	Metric	English	Comments

Bulk Density	3.83 g/cc	0.138 lb/in³	Apparent; ASTM B212
	4.70 g/cc	0.170 lb/in³	Tap; ASTM B527
Density	7.79 g/cc	0.281 lb/in³	Part; ISO 3369
Porosity	0.030 %	0.030 %	Heat Treated
Particle Size	<= 44 µm	<= 44 µm	D50; ASTM B822
	<= 53 µm	<= 53 µm	<6 wt% above 53µm; ASTM B214
	<= 63 µm	<= 63 µm	<1 wt% above 63µm; ASTM B214
Pore Size	7.20 microns	0.283 mil	Heat Treated

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	20.3 - 27.5	20.3 - 27.5	As built; ISO 6508
	>= 40	>= 40	ASTM A564 (H900); ISO 6508
	41.6 - 42.6	41.6 - 42.6	Vacuum H900; ISO 6508
	41.6 - 42.6	41.6 - 42.6	Argon Atmosphere HT; ISO 6508
	42.5 - 43.1	42.5 - 43.1	Vacuum HT 460°C
Tensile Strength, Ultimate	815.6 - 956.4 MPa	118300 - 138700 psi	horizontal direction (XY), As built; ISO 6892
	876.3 - 990.1 MPa	127100 - 143600 psi	vertical direction (Z), As built; ISO 6892
	>= 1310 MPa	>= 190000 psi	vertical direction (Z), ASTM A564 (H900); ISO 6892
	>= 1310 MPa	>= 190000 psi	horizontal direction (XY), ASTM A564 (H900); ISO 6892
	1330.6 - 1341 MPa	192990 - 194500 psi	horizontal direction (XY), Vacuum H900; ISO 6892
	1334.1 - 1345.9 MPa	193500 - 195210 psi	horizontal direction (XY), Argon Atmosphere HT; ISO 6892
	1334.9 - 1350.3 MPa	193610 - 195840 psi	vertical direction (Z), Vacuum H900; ISO 6892
	1342.7 - 1348.3 MPa	194740 - 195550 psi	vertical direction (Z), Argon Atmosphere HT; ISO 6892
	1351.4 - 1364.8 MPa	196000 - 197950 psi	Both directions, Vacuum HT 460°C
Tensile Strength, Yield	784.9 - 936.3 MPa	113800 - 135800 psi	horizontal direction (XY), As built; ISO 6892
	816.6 - 906 MPa	118400 - 131000 psi	vertical direction (Z), As built; ISO 6892
	>= 1170 MPa	>= 170000 psi	vertical direction (Z), ASTM A564 (H900); ISO 6892
	1225.4 - 1245 MPa	177730 - 180600 psi	horizontal direction (XY), Vacuum H900; ISO 6892
	1226.8 - 1244.2 MPa	177930 - 180460 psi	horizontal direction (XY), Argon Atmosphere HT; ISO 6892
	1232.5 - 1252.7 MPa	178760 - 181690 psi	vertical direction (Z), Argon Atmosphere HT; ISO 6892
	1237.2 - 1264.2 MPa	179440 - 183360 psi	vertical direction (Z), Vacuum H900; ISO 6892
	1249.5 - 1275.3 MPa	181220 - 184970 psi	Both directions, Vacuum HT 460°C
Elongation at Break	>= 10 %	>= 10 %	vertical direction (Z), ASTM A564 (H900); ISO 6892
	>= 10 %	>= 10 %	horizontal direction (XY), ASTM A564 (H900); ISO 6892
	11.7 - 13.5 %	11.7 - 13.5 %	vertical direction (Z), Argon Atmosphere HT; ISO 6892
	12.8 - 14.2 %	12.8 - 14.2 %	vertical direction (Z), Vacuum H900; ISO 6892
	12.6 - 14.4 %	12.6 - 14.4 %	horizontal direction (XY), Argon Atmosphere HT; ISO 6892
	13.2 - 14.8 %	13.2 - 14.8 %	horizontal direction (XY), Vacuum H900; ISO 6892
	13.2 - 19.8 %	13.2 - 19.8 %	horizontal direction (XY), Vacuum HT 460°C
	18.7 - 21.1 %	18.7 - 21.1 %	horizontal direction (XY), As built; ISO 6892
	18.6 - 21.6 %	18.6 - 21.6 %	vertical direction (Z), As built; ISO 6892

Thermal Properties	Metric	English	Comments
CTE, linear	10.4 µm/m-°C @Temperature 25.0 - 100 °C	5.78 µin/in-°F @Temperature 77.0 - 212 °F	ASTM E228
	11.0 µm/m-°C @Temperature 25.0 - 200 °C	6.11 µin/in-°F @Temperature 77.0 - 392 °F	ASTM E228
	11.4 µm/m-°C @Temperature 25.0 - 300 °C	6.33 µin/in-°F @Temperature 77.0 - 572 °F	ASTM E228
	11.8 µm/m-°C @Temperature 25.0 - 400 °C	6.56 µin/in-°F @Temperature 77.0 - 752 °F	ASTM E228
	12.0 µm/m-°C @Temperature 25.0 - 500 °C	6.67 µin/in-°F @Temperature 77.0 - 932 °F	ASTM E228

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.070 %	<= 0.070 %
Chromium, Cr	15 - 17.5 %	15 - 17.5 %
Copper, Cu	3.0 - 5.0 %	3.0 - 5.0 %
Manganese, Mn	<= 1.0 %	<= 1.0 %
Nb + Ta	0.15 - 0.45 %	0.15 - 0.45 %
Nickel, Ni	3.0 - 5.0 %	3.0 - 5.0 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %

Descriptive Properties
Surface roughness	17.3 – 27.7 µm		Rz, Horizontal, after shot-peening
	3.5 – 5.9 µm		Ra, Horizontal, after shot-peening
	Ra 3.4 – 5.5 µm		Ra, Vertical, after shot-peening
	Rz 15.9 – 28.5 µm		Rz, Vertical, after shot-peening
Volume rate	3.32 mm³/s

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to view all the property values for this datasheet as they were originally entered into MatWeb.

NEOS946 / 280606

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