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17-4 PH Stainless Steel

17-4 PH stainless steel combines high strength, corrosion resistance, and hardness, making it widely used in the aerospace, medical, and petroleum industries. This material comes in the form of a polymer bound powder metal filament that is wound onto a spool. This filament is similar to the feedstock used in metal injection molding. Each spool includes 200 cubic centimeters of material.

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Featured Capabilities

An official list of composite material specifications can be found here.


Mechanical Properties of Stainless Steel


Property
Test Standard
Markforged
Wrought

Ultimate Tensile Strength

ASTM E8

1050 MPa 

1090 MPa

0.2% Yield Strength 

ASTM E8

750 MPa 

900 MPa

Elongation at Break

ASTM E8

4-6% 

16% 

Tensile Modulus

ASTM E8

125 GPa 

175 GPa 

Hardness

ASTM E18

35 HRC

35 HRC 

Corrosion

ASTM F1089

Pass 

Pass 

Relative Density

-

>95%

100%


Composition of Stainless Steel


Composition
Amount

Chromium

15-17.5%

Nickel

3-5%

Copper

3-5%

Silicon

1% max

Manganese

1% max

Niobium

0.15-0.45%

Carbon

0.07%

Phosphorous

0.04%

Sulfur

0.03% 

Iron

bal


Design Constraints


Design Constraint
Dimension

Minimum Part Dimensions

3 mm x 3 mm x 1.6 

Minimum Part Width

3 mm (0.118") 

Minimum Emboss/Engrave Width

1.8 mm / 0.33 mm 

Minimum Post/Hole Diameter

3.5 mm / 1 mm

Maximium Unsupported Overhang

45 degree

Minimum Thread Size

M3 (1/8")