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440 Stainless Steel

440 Stainless Steel, also as known as “razor blade steel,” is a hardenable high-carbon chromium steel.

Type 440 attains the highest hardness of all stainless steels.  This lends itself to applications such as high quality knife blades, razor blade, high grade wood working tools such as chisels, surgical and dental instuments, valve components and ball bearings.

Contact us for the best prices for bar, wire and billets.

440 Stainless Steel Bar Grinding Services

Available Forms

Type 440 Stainless Steel is available in:

Typical Applications

440 Stainless Steel Specifications

The following specifications are generally applicable:

Sheets and Plates

Composition & Properties

Property

Type 440C

Carbon

.95 – 1.2

Manganese

1.25 max

Silicon

1.00 max

Phosphorus

.04 max

Sulfur

.04 max

Chromium

16.5 – 18.0

Molybdenum

75 max

Nickel

NA

Mechanical Properties

Properties

Annealed

Hardened & Stress Relieved

Ultimate Tensile Strength (psi)

110,000

285,000

0.2% Yield Strength (psi)

65,000

275,000

Elongation (% in 2?)

14

2

Reduction in area (%)

25

10

Rockwell Hardness

B97

C57

Impact Strength (Izod, V-Notch) [ft-lbs]

NA

1-5

Machinability

Formability

Type 440 Stainless Steel Heat Treatment

Forging

Corrosion Resistance

Welding

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If you need a Steel Rod and Bar supplier who will give you quick turnaround times and on-time delivery on quality machined products then you should be talking to us.