301 STAINLESS STEEL ALLOY

301 STAINLESS STEEL ALLOY

301 STAINLESS STEEL ALLOY UNS: S30100 EN-DIN: 1.4310 Austenitic chromium-nickel stainless steel. Its high strength and corrosion resistance makes it versatile alloy for a wide variety of applications. Typical applications include appliances, automotive applications, utensils, and high strength...
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Product Details

301 STAINLESS STEEL ALLOY

UNS: S30100
EN-DIN: 1.4310


Austenitic chromium-nickel stainless steel. Its high strength and corrosion resistance makes it versatile alloy for a wide variety of applications. Typical applications include appliances, automotive applications, utensils, and high strength structural parts.


Nominal Composition

C:

0.15 max

Mn:

2.0 max

P:

0.045 max

S:

0.030 max

Si:

1.00 max

Cr:

16.0 – 18.0

Ni:

6.0 – 8.0

N:

0.10 max

Fe:

BAL

Physical Properties At 70°F (At 20°C)

Density
0.285 lb./in3 / (7.88 g/cm3)


Modulus of Elasticity (E)
28.0 x 103 ksi / (193 x 103MPa)


Coefficient of Expansion
9.4 x 10-6 microinches/in.-°F (70-600°F) / (16.9 μm/m-°C) (20-300°C)


Electrical Resistivity
27.4 μ ohm.in / (69.5 μ ohm.cm)


Thermal Conductivity
9.4 Btu-in./ft.2hr.-°F / (16.2 W/m-K)


Typical Mechanical Properties – Typical Room Temperature Mechanical Properties

Condition
Annealed (Min)


Tensile Strength Min (UTS)
75 ksi (515 MPa)

0.2% YS Min
30 ksi (205 MPa)


Elongation% in 2” Min (50.8 mm)
40%


Hardness Rockwell
92 HRBW (Max)


*Tempered Properties available upon request*


Information for Type 301 Stainless Steel & 301 Stainless Steel Strip

GNEE stays competitive by understanding our customers’ needs. We seek to constantly improve to deliver high-quality stainless steel products on time with a reject rate of less than 1%.


If you think you might be in need of stainless steel for your current project or future work, you have come to the right place. Read on to understand more about the composition of stainless steel and how its varied qualities can work for you.


Properties of Type 301 Steel

Type 301 stainless steel is austenitic. This stainless steel attains high strength and ductility by cold working. Much like type 201 steel, 301 is non-magnetic in the annealed state becoming increasingly magnetic with cold working. Ultimately, however, it is only slightly more magnetic than other standard austenitic stainless steels.


Chemical composition of T301 in WT% is: Carbon 0.15 max, Manganese 2.00 max, Phosphorus 0.045 max, Sulfur 0.030 max, Silicon 0.75 max, Chromium 16.00 – 18.00, Nickel 6.00 – 8.00, Nitrogen 0.10 max, and Iron – balance.


Physical Properties of Type 301 Steel include: Density: 0.285 lbs/in3 7 .88 g/cm3, Electrical Resistivity: microhm-in (microhm-cm): 68 °F (20 °C): 27.4 (69.5), Specific Heat: BTU/lb/° F (kJ/kg•K): 32 -212 °F (0 -100 °C): 0.12 (0.50), Magnetic Permeability: H = 200 Oersteds: Annealed < 1.02 max, and Melting Range: 2250-2590 ° F (1399-1421 ° C).


301 stainless steel’s higher Carbon and lower Nickel content supports good drawing and forming characteristics. This composition, however, slightly compromises its corrosion resistance.


Preventing corrosion requires that stainless steel 301 undergo a secondary annealing process. The secondary process dissolves the Chromium carbides and removes weld discoloration, restoring 301’s corrosion resistance at the weld or laser cut edges.


301 stainless steel is a modification of type 304 where Chromium and Nickel contents have been lowered. This increases the cold work-hardening range allowing for higher tensile strengths to be attained by rolling, with simultaneous lower loss of ductility than with Type 304.


Uses for Stainless Steel 301

Staying within the scope of the ASTM, 301 specification allows for different chemical composition and processing modifications that can result in a wide range of finished products with varied engineered material properties to target specific applications.


Readily formed and drawn, 301 stainless steel may not be right in some forming applications. This is especially true of those requiring multiple forming operations.


The material is typically used in subway cars, aircraft structural parts, trailer bodies, automotive trim, and automobile wheel covers. You will also find it used in the production of drainage products, conveyor belts, and storm door frames. As you can see, 301steel is a versatile grade of stainless steel, ideal for a multitude of applications.


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