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.
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440 Stainless Steel Bar Grinding Services
Type 440 Stainless Steel is available in:
440 Stainless Steel Specifications
The following specifications are generally applicable:
Sheets and Plates
Composition & Properties
.95 – 1.2
16.5 – 18.0
Hardened & Stress Relieved
Ultimate Tensile Strength (psi)
0.2% Yield Strength (psi)
Elongation (% in 2?)
Reduction in area (%)
Impact Strength (Izod, V-Notch) [ft-lbs]
Type 440 Stainless Steel Heat Treatment
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