Combined Metals of Chicago

Combined Metals of Chicago

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305 Stainless Steel Alloy

UNS: S30500
EN-DIN: 1.4303

Printable PDF: 305 Stainless Steel Alloy Data sheet

Industries supplied include:  appliances, kitchen utensils, tank covers, and other deep drawn parts. 305 grade stainless has similar corrosion resistance as 304 and has good oxidation resistance in air up to 1650 F (899 C). 305 can be readily formed and deep drawn into complex shapes due to its lower strength and work hardening rate and will remain nonmagnetic after cold work unlike 301 or 304.  A caution is autogenous welds in 305 are more sensitive to hot cracking than 304 or 304L.

Nominal Composition

C: 0.012 max
Mn: 2.0 max
P: 0.045 max
S: 0.030 max
Si: 1.00 max
Cr: 17.0 – 19.0
Ni: 10.0 – 13.0
N: 0.10 max
Fe: BAL

 

Physical Properties
At 70°F (At 20°C)      

Density
0.29 lb./in3 / (7.99 g/cm3)

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

Coefficient of Expansion
9.6 x 10-6 microinches/in.-°F (32-212°F) / (17.3 μm/m-°C) (0-100°C)

Electrical Resistivity
28.4 μ ohm.in / (72 μ ohm.cm)

Thermal Conductivity
9.4 Btu-in./ft.2hr.-°F  (100°C)/ (16.2 W/m-K (100°C))

Applicable Specifications

AMS 5514, ASTM A240

Typical Mechanical Properties – Typical Room Temperature Mechanical Properties

Typical mechanical properties are based on AK source, ASTM A240

Condition
Annealed (Min)

Tensile Strength Min (UTS)
85 ksi (586 MPa)

0.2% YS Min
35 ksi (241 MPa)

Elongation% in 2” Min (50.8 mm)
55%

Hardness Rockwell
70 HRBW (Max)

*The information and data in this product data sheet are accurate to the best of our knowledge and belief, but are intended for general information only.  Applications suggested for the materials are described only to help readers make their own evaluations and decisions, and are neither guarantees nor to be construed as express or implied warranties of suitability for these or other applications. Data was obtained from our melt sources with data referring to mechanical properties and chemical analyses are the result of tests performed on specimens obtained from specific locations with prescribed sampling procedures; any warranty thereof is limited to the values obtained at such locations and by such procedures. There is no warranty with respect to values of the materials at other locations.  Further information should be sought from the melt sources.


Additional Information on 305 Stainless Steel

We produce all of our stainless steel using the highest quality processes and materials. Our aim is to provide you with high quality metal that is competitively priced, carefully packaged, and delivered in spec and on time. One such high quality item is type 305 stainless steel, which we will go into detail on after first considering the primary types of stainless steel.

What Exactly is Stainless Steel?

Stainless steel is an Iron-based alloy containing a minimum of 11% Chromium, which is the property that resists rust, making it stain less than other metals.

Each type of stainless steel has a set of unique composition and unique qualities. The chemical composition of the stainless steel determines properties including hardness, strength, whether it is magnetic or not, and how easy the steel is to work with.

Stainless steel can be referred to in the following ways:

Ferritic – magnetic, low-carbon steels with Chromium like 430;

Austenitic – non-magnetic Chromium-Nickel steels like 201, 304, & 316; and

Martensitic – rarely-used, magnetic low-carbon steels with low levels of Nickel and 12% Chromium.

Properties of Type 305 Stainless Steel

Stainless Steel type 305 is an austenitic Chromium-Nickel alloy with a low rate of work hardening that makes it a good choice for many deep drawing applications. When ordering 305 stainless steel, note the deep drawing quality. Ordering annealed or dead soft will not guarantee this however. This alloy is non-magnetic but will slowly become so with increasing cold work.

The typical chemical composition of T305 stainless steel is as follows:

Carbon: 0.12 max
Manganese: 2.00 max
Silicon: 1.00 max
Chromium: 17.00-19.00
Nickel: 10.00 -13.00
Molybdenum: 0.75 max
Phosphorus: 0.040
Sulfur: 0.030 max
Copper: 0.75 max
Iron: Balance

Physical properties of T305 stainless steel include: Density: 0.29 lbs/in3 7.99 g/cm3, Electrical Resistivity: microhm-in (microhm-cm): 68 °F (20 °C): 28.4 (74.0),  Specific Heat: BTU/lb/°F (kJ/kg•K):  32 – 212 °F (0 – 100 °C): 0.12 (0.50), Modulus of Elasticity: ksi (MPa)  28 x 103 (193 x 103) in tension,  Magnetic Permeability, H = 200 Oersteds: Annealed < 1.02, Melting Range: 2550 – 2650 ° F (1399 – 1454 °C).

Processing & Forming of 305 Stainless Steel

Type 305 is an austenitic, Chromium-Nickel stainless steel alloy with an increased Nickel content that allows it to be spun and deep drawn easily while decreasing work hardening. Stainless steel 305 cannot be hardened by heat treatment.

Unlike Type 301 and 304, Type 305 stainless steel remains non-magnetic after cold work. It can be readily formed and deep drawn into complex shapes due to its lower strength and hardening rates. It is used for a wide variety of products in the chemical, textile, petroleum, dairy, and food industries.

Combined Metals of Chicago is committed to safely producing and distributing the best value, highest quality engineered stainless steel coil and sheet, specialty alloy strip, foil, and wire products to our customers around the world, on time and within spec.

Use CMC as your one source for coil-to-coil buffing, custom polished finishes, precision slitting, large and small blanks, and circle blanks.  We are here to fulfill our customers’ needs and make them happy. As such, we have become one of the premier stainless steel service centers in the country. Whatever your needs, get in touch with us for our courteous customer service and commitment to great results every time.

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CMC
2401 W Grant Avenue
Bellwood, IL 60104
Phone: 708-547-8800
Toll Free: 800-323-0758
Fax: 708-547-8818
Email Us: cmcinfo@combmet.com

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