3D Systems LaserForm® 17-4PH (A) H900 Stainless Steel Material

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3D Systems LaserForm® 17-4PH (A) H900 Stainless Steel Material
Categories:	Metal; 3D Printing/Additive Manufacturing Metal; Ferrous Metal; Tool Steel
Material Notes:	LaserForm 17-4PH (A) is fine-tuned for use with ProX® DMP 320 metal printer producing industrial parts with good corrosion resistance, high mechanical strength combined with excellent ductility. Mechanical properties of LaserForm 17-4PH (A) can be varied upon different heat treatments. LaserForm 17-4PH (A) is formulated and fine-tuned specifically for 3D Systems DMP 320 metal 3D printers to deliver high part quality and consistent properties. LaserForm 17-4PH (A) is known for its outstanding combination of excellent corrosion resistance and high strength with good toughness. These good mechanical properties and corrosion resistance are maintained at temperatures up to 316°C (600°F). With these characteristics, LaserForm 17-4PH (A) is ideal for surgical instruments (sterilizable), aerospace, chemical, petrochemical and general metalworking applications. Classification: The chemical composition of LaserForm 17-4PH (A) corresponds to a stainless steel 17-4 PH alloy according to ASTM F899, A564, A693 and UNS S17400 specifications. Information provided by 3D Systems
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Physical Properties	Metric	English	Comments

Density	7.75 g/cc	0.280 lb/in³	Absolute theoretical

Mechanical Properties	Metric	English	Comments
Hardness, Rockwell C	38 - 42	38 - 42	ASTM E18
Tensile Strength, Ultimate	1360 - 1400 MPa	197000 - 203000 psi	Vertical direction - Z; ASTM E8M
	1440 - 1460 MPa	209000 - 212000 psi	Horizontal direction - XY; ASTM E8M
Tensile Strength, Yield	1160 - 1360 MPa	168000 - 197000 psi	Rp0.2%, Vertical direction - Z; ASTM E8M
	1250 - 1310 MPa	181000 - 190000 psi	Rp0.2%, Horizontal direction - XY; ASTM E8M
Elongation at Break	10 - 12 %	10 - 12 %	Horizontal direction - XY; ASTM E8M
	10 - 14 %	10 - 14 %	Vertical direction - Z; ASTM E8M
Charpy Impact	5.00 - 9.00 J	3.69 - 6.64 ft-lb	Notch; ASTM E23

Thermal Properties	Metric	English	Comments
CTE, linear	11.6 µm/m-°C @Temperature 0.000 °C	6.44 µin/in-°F @Temperature 32.0 °F
Thermal Conductivity	18.3 W/m-K @Temperature 100 °C	127 BTU-in/hr-ft²-°F @Temperature 212 °F

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 %
Iron, Fe	69.91 - 78.85 %	69.91 - 78.85 %	Balance
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
Relative magnetic permeability	100
Surface Roughness	4-7µm		Horizontal direction (XY), SAND BLASTED
	4-8µm		Vertical direction (Z), SAND BLASTED
	5-7µm		Horizontal direction (XY), AS BUILT
	6-8µm		Vertical direction (Z), AS BUILT

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.

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PAPPR3114 / 239082

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