ATI Allegheny Ludlum Stainless Steel Type 201, 30% Cold Work (UNS S20100)

Category	Metal , Ferrous Metal , Stainless Steel , T S20000 Series Stainless Steel
Manufacturer	ATI Allegheny Ludlum
Trade Name
Port	Shanghai port,China
Trade Terms	FOB, CFR, CIF
Payment Terms	L/C, T/T, Western Union
Download PDF	ATI Allegheny Ludlum Stainless Steel Type 201, 30% Cold Work (UNS S20100).pdf
Price	EMAIL US sales@lookpolymers.com

Material Notes:

Allegheny Ludlum Type 201 and 201L have the greatest tonnage of the Cr-Ni-Mn steels (200 series). Type 201 provides advantages over the 18-8 grades in certain applications. Lower cost manganese and nitrogen additions are partial substitutes for nickel making them more economical alloys. Because they possess a very desirable combination of economy plus good mechanical properties and corrosion resistance properties, they have been used in a wide variety of consumer and transportation applications.This austenitic structure achieves significant strengthening through cold working of the material to produce the transformation to a stronger martensitic structure. Type 201 is resistant to a wide variety of mild to moderately corrosive media.Typical applications for Types 201 and 201L are cookware bodies/lids, hose clamps, piston rings, transit car structural member, transit car roofing/siding, thermal window spacers, air bag containers, and truck trailer posts and door frames. Information provided by Allegheny Ludlum Corporation.

Physical Properties	Metric	English	Comments
Density	7.86 g/cc	0.284 lb/in³

Mechanical Properties	Metric	English
Hardness, Rockwell C	39 @Temperature 23.0 °C	39 @Temperature 73.4 °F
	39 @Temperature 23.0 °C	39 @Temperature 73.4 °F
Tensile Strength, Ultimate	1214 MPa @Temperature 23.0 °C	176100 psi @Temperature 73.4 °F
	1224 MPa @Temperature 23.0 °C	177500 psi @Temperature 73.4 °F
Tensile Strength, Yield	996 MPa @Temperature 23.0 °C	144000 psi @Temperature 73.4 °F
	1050 MPa @Temperature 23.0 °C	152000 psi @Temperature 73.4 °F
Elongation at Break	11.5 % @Temperature 23.0 °C	11.5 % @Temperature 73.4 °F
	14 % @Temperature 23.0 °C	14 % @Temperature 73.4 °F

Thermal Properties	Metric	English
CTE, linear	16.6 µm/m-°C @Temperature 20.0 - 100 °C	9.22 µin/in-°F @Temperature 68.0 - 212 °F
	18.0 µm/m-°C @Temperature 20.0 - 316 °C	10.0 µin/in-°F @Temperature 68.0 - 601 °F
	18.0 µm/m-°C @Temperature 20.0 - 358 °C	10.0 µin/in-°F @Temperature 68.0 - 676 °F
	20.3 µm/m-°C @Temperature 20.0 - 871 °C	11.3 µin/in-°F @Temperature 68.0 - 1600 °F
Specific Heat Capacity	0.502 J/g-°C @Temperature 0.000 - 100 °C	0.120 BTU/lb-°F @Temperature 32.0 - 212 °F
Thermal Conductivity	16.3 W/m-K @Temperature 100 °C	113 BTU-in/hr-ft²-°F @Temperature 212 °F
	23.0 W/m-K @Temperature 500 °C	160 BTU-in/hr-ft²-°F @Temperature 932 °F
Melting Point	1400 - 1455 °C	2550 - 2651 °F
Solidus	1400 °C	2550 °F
Liquidus	1455 °C	2651 °F

Component Elements Properties	Metric	English	Comments
Carbon, C	<= 0.15 %	<= 0.15 %
Chromium, Cr	16 - 18 %	16 - 18 %
Iron, Fe	72 %	72 %	as balance
Manganese, Mn	5.5 - 7.5 %	5.5 - 7.5 %
Nickel, Ni	3.5 - 5.5 %	3.5 - 5.5 %
Nitrogen, N	<= 0.25 %	<= 0.25 %
Silicon, Si	<= 1.0 %	<= 1.0 %

Electrical Properties	Metric	English	Comments
Electrical Resistivity	0.0000670 ohm-cm	0.0000670 ohm-cm
Magnetic Permeability	3.95	3.95	D.C. Permeability (m at 200 H)

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