ATI Allegheny Ludlum AL 2003™ Duplex Stainless Steel

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ATI Allegheny Ludlum AL 2003™ Duplex Stainless Steel
Categories:	Metal; Ferrous Metal; Duplex; Stainless Steel; T S30000 Series Stainless Steel
Material Notes:	Characteristics: superior stress corrosion cracking resistance to Types 316 and 317, yield strength double that of conventional austenitic stainless steel, good corrosion resistance, good chloride stress corrosion cracking resistance. Applications: Desalination Bridge Decking Oil and Gas Home Appliances Heat Exchangers Pressure Vessels Pulp and Paper Tanks Architectural Structures Water Heaters Power Generation Reinforcing Bar Chemical Processing Information provided by Allegheny Ludlum
Key Words:	UNS S32003
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Physical Properties	Original Value	Comments

Density	7.723 g/cc

Mechanical Properties	Original Value	Comments
Hardness, Rockwell C	20
Tensile Strength, Ultimate	725 MPa
	745 MPa	0% cold reduction
	917 MPa	9.4% cold reduction
	1165 MPa	27.6% cold reduction
	1620 MPa	67.3% cold reduction
	586 MPa @Temperature 260 °C
	600 MPa @Temperature 204 °C
	607 MPa @Temperature 149 °C
	655 MPa @Temperature 93.0 °C
Tensile Strength, Yield	545 MPa	0% cold reduction
	827 MPa	9.4% cold reduction
	1020 MPa	27.6% cold reduction
	1476 MPa	67.3% cold reduction
	386 MPa @Temperature 260 °C
	386 MPa @Temperature 204 °C
	427 MPa @Temperature 149 °C
	455 MPa @Temperature 93.0 °C
	515 MPa @Strain 0.2 %
Elongation at Break	1.0 %	67.3% cold reduction
	10 %	27.6% cold reduction
	15 %	9.4% cold reduction
	34 %	0% cold reduction
	40 %	in 2"
	22 % @Temperature 260 °C
	26 % @Temperature 204 °C
	27 % @Temperature 149 °C
	32 % @Temperature 93.0 °C
Modulus of Elasticity	190 GPa

Thermal Properties	Original Value	Comments
CTE, linear	13.0 µm/m-°C @Temperature 23.0 - 100 °C
Specific Heat Capacity	0.510 J/g-°C @Temperature 23.0 - 100 °C
Thermal Conductivity	17.0 W/m-K @Temperature 23.0 - 100 °C

Component Elements Properties	Original Value	Comments
Carbon, C	<= 0.030 %
Chromium, Cr	19.5 - 22.5 %
Iron, Fe	>= 68.22 %	As Remainder
Manganese, Mn	<= 2.0 %
Molybdenum, Mo	1.5 - 2.0 %
Nickel, Ni	3.0 - 4.0 %
Nitrogen, N	0.14 - 0.20 %
Phosphorus, P	<= 0.030 %
Silicon, Si	<= 1.0 %
Sulfur, S	<= 0.020 %

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