About 440C Martensitic Stainless Steel
What is 440C Martensitic Stainless Steel?
Grade 440C stainless steel is a high carbon martensitic stainless steel.
Grade 440C is also referred to as the UNS S44004/W.Nr. 1.4125 stainless steel.
It has high strength, moderate corrosion resistance, good hardness and wear resistance.
Grade 440C stainless steel is widely used in knife blades, surgical instruments, ball bearings and valve parts.
Grade 440C stainless steel is available in the form of pipe, round bar, wire, plate, strip and foil section.
440C Martensitic Stainless Steel Standards
ASTM A276
ASTM A580
AMS 5630
440C Martensitic Stainless Steel Chemical Composition
440C Martensitic Stainless Steel Data Sheet
440C Martensitic Stainless Steel Equivalent Grades
| ASTM/AISI | WERKSTOFF NR. | UNS | GOST | GB | JIS | DIN | EN | OR |
| 440C | 1.4125 | S44004 | – | – | – | – | – | – |
440C Martensitic Stainless Steel Mechanical Properties
| Density | Melting Range | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.80 g/cm3 | 1483°C/2700°F | 758Mpa | 448Mpa | 14-2% |
440C Martensitic Stainless Steel Applications
440C Martensitic Stainless Steel Related Resources
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