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Metal Printing

·  Complex geometries that enable cooling, heating, porting, venting, nested cores, spiral vents, volute shapes, and integration of multiple components

·  Lattice Structures allow for reduced material cost while maintaining strength and keeping parts lightweight

·  Large Print Bed makes short run production of small components economical without Tooling

·  Great for sand molds and cores

·  Cost effective

·  Time Reducing alternative to traditional methods

·  Metal castings universally used for industrial, military, and consumer products

Metal Printing Design Guidelines

Please note that these are are GUIDELINES, not hard and fast rules. Follow these and you should be in pretty good shape, but we'll let you know if we see any problems.

Parameter Inches Milimeters
Maximum part size 30 x 15.4 x 15.4* 762 x 393 x 393*
Minimum Supported Wall Thickness 0.080 2.00
Minimum Unsupported Wall Thickness 0.080 2.00
Minimum Supported Bosses 0.080 2.00
Minimum Unsupported Bosses 0.080 2.00
Minimum Embossed Detail (Height and Width) 0.040 1.0
Minimum Engraved Detail (Height and Width) 0.040 1.00
Clearance Between Parts/Bodies 0.120 3.00
 

Standard Material Properties

420 Stainless Steel Bronze Alloy (annealed)

Property Value Units
Tensile Strength 72 (496) ksi (MPa)
Yield Strength 62 (427) ksi (MPa)
Elastic Modulus 21.4 (147) Mpsi (GPa)
Elongation at Break 7.0 %
Hardness 93 HRb
Fractional Density 95+ %
Density 0.284 (7.86) lb/in3 (g/cm3)
Thermal Conductivity* 13 (22.6) BTU/hr ft °F (W/m°K)
Specific Heat** 0.114 (478) BTU/lb °F (J/kg°K)
Thermal Expansion Coefficient*** 7.4 x 10^-6 (13.4 x 10^-6) /°F (/°K)
 

420 Stainless Steel Bronze Alloy (non-annealed)

Property Value Units
Tensile Strength 99 (682) ksi (MPa)
Yield Strength 66 (455) ksi (MPa)
Elastic Modulus 21.4 (147) Mpsi (GPa)
Elongation at Break 2.3 %
Hardness 97 HRb
Fractional Density 95+ %
Density 0.284 (7.86) lb/in3 (g/cm3)
Thermal Conductivity* 13 (22.6) BTU/hr ft °F (W/m°K)
Specific Heat** 0.114 (478) BTU/lb °F (J/kg°K)
Thermal Expansion Coefficient*** 7.4 x 10^-6 (13.4 x 10^-6) /°F (/°K)

*ASTM E1530     **ASTM E1263     ***ASTM E228