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301 UNS S30100 Stainless Steel Coil

Type 301 is an austenitic chromium-nickel stainless steel that is available in the annealed and cold worked conditions. In the annealed condition, Type 301 offers the highest level of stretch formability of any stainless steel and in the heavily cold worked condition offers the highest strength level of any 300 series stainless steel. Type 301 is non-magnetic in the annealed condition but becomes magnetic as a result of cold working.

Type 301 is corrosion resistant in many environments, but the corrosion properties are less than that of 304/304L stainless steel. The susceptibility to carbide precipitation during welding restricts the use of Type 301 in some applications and 304L is used because of its lower carbon content for welded applications.

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Product Details

Chemical Composition
Chemical Composition (wt%) limits as specified in ASTM A240 and ASME SA240*

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Element	301
Carbon	0.15
Chromium	16.0-18.0
Nickel	6.0-8.0
Manganese	2.00
Silicon	1.00
Nitrogen	0.10
Phosphorus	0.045
Sulfur	0.030

* Maximum, unless range is indicated

Mechanical Properties
Mechanical property requirements for annealed product as specified in ASTM A240 and ASME SA240

Property	301
Yield Strength, min. (ksi)	30
Tensile Strength, min. (ksi)	75
Elongation, min. (%)	40
Hardness, max. (Rb)	95

Mechanical property requirements for cold worked flat rolled products as specified in ASTM A666

Condition	Yield Strength (ksi) min.	Tensile Strength (ksi) min.	Elongation % min. in 2 in.
Condition	Yield Strength (ksi) min.	Tensile Strength (ksi) min.	<0.015 in.	≥0.015 in.
¼ Hard	75	125	25	25
½ Hard	110	150	15	18
¾ Hard	135	175	10	12
Full Hard	140	185	8	9

Physical Properties
Physical properties for Type 301 stainless steel

Property	301
Density, lb/in3	0.285
Modulus of Elasticity, psi	28.0 x 106
Coefficient of Thermal Expansion, 68-212˚F, /˚F	9.2 x 10-6
Thermal Conductivity, Btu/ft hr ˚F	9.4
Specific Heat, Btu/lb ˚F	0.12
Electrical Resistivity, Microohm-in	27.4