Type 431 Martensitic Stainless Steel, Hard Temper Forgings, UNS S43100

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Type 431 Martensitic Stainless Steel, Hard Temper Forgings, UNS S43100
Categories:	Metal; Ferrous Metal; Stainless Steel; T 400 Series Stainless Steel
Material Notes:	Hardenable - High impact strength. Information provided by Chevron-Phillips Chemical Company, LLC, Crucible Specialty Metals and the reference(s).
Key Words:	ASTM A 473
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Physical Properties	Metric	English	Comments

Density	7.80 g/cc	0.282 lb/in³	Estimated from similar materials

Mechanical Properties	Metric	English	Comments
Tensile Strength	1210 MPa	175000 psi
Tensile Strength, Yield	930 MPa	135000 psi
Elongation at Break	13 %	13 %
Modulus of Elasticity	200 GPa	29000 ksi	Estimated from similar materials

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.20 %	<= 0.20 %
Chromium, Cr	15 - 17 %	15 - 17 %
Iron, Fe	82 %	82 %	As remainder
Manganese, Mn	<= 1.0 %	<= 1.0 %
Nickel, Ni	1.25 - 2.5 %	1.25 - 2.5 %
Phosphorus, P	<= 0.040 %	<= 0.040 %
Silicon, Si	<= 1.0 %	<= 1.0 %
Sulfur, S	<= 0.030 %	<= 0.030 %

References for this datasheet.

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MQ431b / 172171

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