Ametek P409L P/M Stainless Steel, Sintered from 6.45 g/cc Green Density

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Ametek P409L P/M Stainless Steel, Sintered from 6.45 g/cc Green Density
Categories:	Metal; Ferrous Metal; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	P409L is a ferritic, weldable grade of stainless steel with high compressibility, enhanced green strength and good sinterability. This stabilized grade provides excellent corrosion resistance and has the capacity to provide high caliber mechanical properties because of its high temperature sintering response. P409L may be used in automotive exhaust system applications, among other uses. For property data reported here: Compacting properties measured on powders with 1% lithium stearate. Sintering was done in dissociated ammonia at 1121°C (2050°F) for 45 minutes. Compacting pressure 40 tsi. Green strength 1800 psi. Sintered breaking strength 105,000 psi. Information provided by Ametek Specialty Metal Products.
Key Words:	Powder metallurgy
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Physical Properties	Original Value	Comments

Bulk Density	2.80 g/cc	Powder
Density	6.55 g/cc	Sintered

Mechanical Properties	Original Value	Comments
Hardness, Rockwell B	71
Tensile Strength, Ultimate	54.0 ksi
Elongation at Break	4.8 %

Thermal Properties	Original Value	Comments
Shrinkage	0.28 %	versus die size

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.030 %
Chromium, Cr	11.5 - 13.5 %
Iron, Fe	82.4 - 88.5 %	As Remainder
Manganese, Mn	<= 2.0 %
Phosphorus, P	<= 0.040 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.030 %

Descriptive Properties
Powder Flow	30 sec/50 g

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