EOS StainlessSteel 17-4
EOS Stainless
Steel 17-4 – Material Specifications
Typical Uses
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engineering applications including functional prototypes, small series
products, individualized
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products or spare parts.
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parts requiring high corrosion resistance, sterilisability, etc.
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parts requiring particularly high toughness and ductility.
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General Data |
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Minimum Layer thickness |
0.8 mil |
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Typical Accuracy |
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small parts |
± 0.8 – 0.2 mil |
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large parts |
± 0.2% |
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Minimum Wall Thickness |
0.3 - 0.4 mm |
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Surface Finish |
Ra 8 , Rz 10 - 50 |
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after shot-peening |
Ra 2.5 - 4.5 μm, Ry 15 - 40 μm |
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after polishing |
Rz up to < 0.5 μm |
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Material Properties |
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Ultimate tensile strength |
900 MPa |
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130 ksi |
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Yield strength (Rp 0.2 %) |
500 MPa |
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73 ksi |
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Elongation at break, A5 |
up to 30 % |
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Young’s Modulus |
approx. 190 GPa |
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approx. 28 msi |
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Hardness HV10 |
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as built |
250 - 320 HV |
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after post-hardenign |
> 40 HRC (~ 400 HV) |
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Thermal Properties |
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Coefficient of thermal expansion |
approx. 13 - 20 x 10-6 m/m°C |
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approx. 7 - 11 x 10-6 in/in°F |
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Thermal conductivity |
approx. 12 - 14 W/mK |
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approx. 83 - 97 Btu/(h ft² °F/in) |
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Maximum operating temperature |
550 °C |
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1000 °F |
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Related Articles
Attachments
- EOS_Stainless_Steel_17-4.pdf (56,142 bytes)
- EOS SS_17-4.pdf (36,687 bytes)
