Stainless 440C Product Guide

Applications | Specifications | Mechanical and Chemical Data | Tolerances

Overview

High strength, moderate corrosion resistant, good hardness and wear resistant material. After heat treatment, Stainless 440C is capable of attaining the highest strength, hardness and wear resistance of all the stainless alloys. Typically used in rolling element bearing, valve seats, high-quality knife blades, surgical instruments, chisels, gage blocks, cutlery, ball bearings and races, molds and dies, knives, valve components, measuring instruments.

Common Trade Names

UNS S44004, AISI 440C, Alloy 440C, Premar 440C, martensitic stainless steel

Other Resources

Safety Data Sheet | Weight Calculator | Mill Test Reports

Products

Purchase Ball 440C | Rectangle Bar 440C | Round Bar 440C | Square Bar 440C

Applications

• Rolling Element Bearings
• Valve Seats/Components
• Knife Blades
• Surgical Instruments
• Chisels
• Gage Blocks
• Cutlery
• Ball Bearings
• Molds
• Dies
• Measuring Instruments

Stainless 440C Specifications