SS 440C

SS 440C

Raj Metals supplies SS 440C, high-carbon martensitic stainless steel for hardness, wear resistance, bearings, cutting tools, precision shafts, and wear components. We provide dependable material selection, cutting support, documentation, and supply coordination for project and maintenance requirements.

Key Features

✓ High hardness after heat treatment
✓ Excellent wear resistance
✓ Good polishability
✓ Suitable for precision tooling

Product Specifications

Parameter Details
Material Family / Product Form High-Carbon Martensitic Stainless Steel
Common Grades SS 440C / UNS S44004
Available Forms Bars, Sheets, Plates, Pipes, Tubes, Fittings, Fasteners, and custom cut material as applicable
Standards ASTM, ASME, AMS, DIN, EN, JIS, and client-specific equivalent grades
Finish Options Bright, black, pickled, polished, machined, or as per requirement
Quality Support MTC, PMI, dimensional inspection, third-party inspection, and traceability on request

SS 440C Chemical Composition

Grade C Cr Mn Si Mo Other Elements
SS 440C 0.95 - 1.20 16.0 - 18.0 1.00 max 1.00 max 0.75 max P 0.040 max, S 0.030 max, Fe Balance

Industry Applications

Ball Bearings and Races

Knife and Cutting Tools

Valve Components

Precision Shafts

Mould Components

Wear Plates