STAINLESS STEEL
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440C
Stainless 440C is a high-carbon martensitic stainless steel. As a martensitic stainless steel, 440C is magnetic and can be hardened by heat treatment. The high carbon content in 440C provides high hardness and strength. Despite this carbon content, the chromium content is sufficient to retain its stainless characteristics.
Martensitic steels are commonly used in applications where high strength and moderate corrosion resistance is required.
Features
Forms
Specifications
Common Trade Names
Applications
Literature
Features
- Attains the highest hardness of any stainless steel, when heat-treated
- Highest carbon content of 400 series stainless steels
Forms
Round Bar
Specifications
UNS: S44004
W. Nr.: 1.4125
ASTM: A 276
ASME: SA 276
AMS: 5630, 5880
Common Trade Names
440C Round Bar
Applications
- Valve Seats
- Surgical Instruments
- Bearings
- Bushings
- Nozzles
- Structural Aircraft Parts
Literature
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