ASTM 440C Stianless Steel Introduction
440C stainless steel is a kind of AISI and ASTM standard high carbon high chromium martensitic stainless steel, it has high strength, good hardness, corrosion resistance, wear resistance and high temperature dimensional stability.
AISI 440C Steel Chemical Composition
The following table shows the chemical composition of 440C stainless steel.
|AISI 440C Steel Chemical Composition (%)|
|Standard||Steel Grade||C||Si (≤)||Mn (≤)||P (≤)||S (≤)||Cr||Ni||Cr||Mo (≤)|
Mechanical Properties of Type 440C Steel
- Material Brinell Hardness: ≤269 HBW (hot finished); ≤285 HBW (cold finished);
- Material Rockwell Hardness: ≥58 HRC (Heat treatment temperature: 1020℃; Quenching media: air; Section thickness of sample for testing: ≤ 9.5mm)
AISI 440C steel equivalent to US ASTM, European Germany DIN, Britain BS, France NF… ISO, Asian Japanese JIS, and China GB standard. (For reference)
|ASTM 440C stainless steel equivalent grades|
|DIN EN 10088-3||X105CrMo17|
|BS EN 10088-3||X105CrMo17;|
|NF EN 10088-3||X105CrMo17|
|ISO 683-17||X108CrMo17||JIS G4303||SUS 440C||GB/T 1220||9Cr18Mo|
Applicatioins of AISI 440C Steel
AISI 440C steel is used to manufacture bearing parts working in corrosive environment, and can also be used to manufacture high quality tools (medical scalpels, scissors and blades), molds and dies, valve components, nozzles and measuring tools.