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Ensinger PEI

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EOS 3D Printed StainlessSteel GP1 Processed by DMSL on EOSINT M 270
Categories: Metal; 3D Printing/Additive Manufacturing Metal; Ferrous Metal; Stainless Steel; T 300 Series Stainless Steel

Material Notes: Description: EOS 3D Printed StainlessSteel GP1 is a pre-alloyed 3D Printed Stainless steel in fine powder form. Its composition corresponds to US classification 17-4 and European 1.4542. This kind of steel is characterized by having good corrosion resistance and mechanical properties, especially excellent ductility in a-ser processed state, and is widely used in a variety of engineering applications. This material is ideal for many part -building applications (DirectPart) such as functional metal prototypes, small series products, individualized products or spare parts. Standard processing parameters use full melting of the entire geometry with 20µm layer thickness, but it is an lso possible to use Skin & Core building style to increase the build speed. Using standard parameters the mechanical properties are fairly uniform in all directions. Parts made fro m EOS 3D Printed StainlessSteel GP1 can be machined, spark -eroded, welded, micro shot -peened, polished and coated if required. Unexposed powder can be reused.

Typical applications:

  • engineering applications including functional prototypes, small series products, individualized products or spare parts.
  • parts requiring high corrosion resistance, sterilisability, etc.
  • parts requiring particularly high toughness and ductility.

Information provided by Proto3000

Key Words: Direct Metal Laser Sintering
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesOriginal ValueComments
Density 7.80 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Vickers 210 - 250as built
 250 - 400ground & polished
Tensile Strength, Ultimate 880 - 980 MPain horizontal direction (XY), As manufactured
 910 - 1010 MPain vertical direction (Z), As manufactured
 980 MPain vertical direction (Z), Stress relieved (1 hour at 650 °C)
 1100 MPain horizontal direction (XY), Stress relieved (1 hour at 650 °C)
Tensile Strength, Yield 550 MPaLower, in vertical direction (Z), Stress relieved (1 hour at 650 °C)
 520 - 620 MPaLower, in vertical direction (Z), As manufactured
 536 - 606 MPaLower, in horizontal direction (XY), As manufactured
 590 MPaLower, in horizontal direction (XY), Stress relieved (1 hour at 650 °C)
 595 MPaUpper, in vertical direction (Z), Stress relieved (1 hour at 650 °C)
 580 - 680 MPaUpper, in vertical direction (Z), As manufactured
 634 MPaUpper, in horizontal direction (XY), Stress relieved (1 hour at 650 °C)
 595 - 695 MPaUpper, in horizontal direction (XY), As manufactured
Elongation at Break 29.0 %in horizontal direction (XY), Stress relieved (1 hour at 650 °C)
 26.0 - 36.0 %in horizontal direction (XY), As manufactured
 31.0 %in vertical direction (Z), Stress relieved (1 hour at 650 °C)
 30.0 - 40.0 %in vertical direction (Z), As manufactured
Modulus of Elasticity 140 - 200 GPaAs manufactured
 180 GPaStress relieved (1 hour at 650 °C)
 
Thermal PropertiesOriginal ValueComments
CTE, linear >= 14.0 µm/m-°C
@Temperature 20.0 - 600 °C
Thermal Conductivity >= 13.0 W/m-K
@Temperature 20.0 °C
 >= 14.0 W/m-K
@Temperature 100 °C
 >= 15.0 W/m-K
@Temperature 200 °C
 >= 16.0 W/m-K
@Temperature 300 °C
Maximum Service Temperature, Air 550 °C
 
Component Elements PropertiesOriginal ValueComments
Carbon, C <= 0.0700 %
Chromium, Cr 15.0 - 17.5 %
Copper, Cu 3.00 - 5.00 %
Manganese, Mn <= 1.00 %
Molybdenum, Mo <= 0.500 %
Nickel, Ni 3.00 - 5.00 %
Niobium, Nb (Columbium, Cb) 0.150 - 0.450 %
Silicon, Si <= 1.00 %

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NPROTO898 / 322911

Proto3000 – 3D Engineering Solutions

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