AISI 440C Stainless Steel Wire
440C stainless steel is a type of martensitic stainless steel that contains chromium, carbon, and other elements. It is often used in various applications due to its corrosion resistance, good hardness, and relatively low cost compared to some other stainless steel grades.
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Description
Gnee Steel (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of aisi 440c stainless steel wire in China. With abundant experience, we warmly welcome you to wholesale customized aisi 440c stainless steel wire from our factory. For price consultation, contact us.
Products Description
440C (1.4215) martensitic stainless steel is heat treatable to attain the highest levels of strength, hardness and wear resistance of all of the stainless steels. It has a higher carbon content than 440A and 440B giving it these characteristics, but at the expense of slightly reduced corrosion resistance. Typically used in applications such as bearings and rollers, its high hardness make it ideal for all types of surgical cutting instruments.
Products properties
| CHEMICAL COMPOSITION OF 440C Stainless Spring Steel Wire: |
| Grade | C | Mn | Si | S | Fe | P | Cr | Ni |
| 440C | 0.95-1.2 max | 1.00max | 1.0 max | 0.030max | Bal | 0.035max | 16.00-18.00 | 0.60max |
| 440C Stainless Spring Steel Wire Mechanical Properties |
| Grade | Hardness(HRC) | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min |
| 440C | 58 to 62 | 1586 to 1724 | 1413 to 1551 | 8% to 10% |
AISI 440C Stainless Steel Wire

Grade 440C stainless steel is a high carbon martensitic stainless steel. It has high strength, moderate corrosion resistance, and good hardness and wear resistance. Grade 440C is capable of attaining, after heat treatment, the highest strength, hardness and wear resistance of all the stainless alloys. Its very high carbon content is responsible for these characteristics, which make 440C particularly suited to such applications as ball bearings and valve parts.
Typical applications include:
- Rolling element bearings
- Valve seats
- High quality knife blades
- Surgical instruments
- Chisels
customer case

FAQ
Q: What are the advantages of your company ?
A: We have many professionals, technical personnel, more competitive prices and best after-dales service than other stainless steel companies.
Q:About Smls Pipe product prices?
A:Prices vary from period to period due to cyclical changes in the price of raw materials.
Q: How many coutries you already exported ?
A: Exported to more than 50 countries mainly from America, UK, Kuwait, Egypt, Turkey, Jordan,India, etc.
Q: Can you provide sample ?
A: Yes. We can provide the small samples in stock for free, as long as you contact us.Customized samples will take about 5-7 days.
Q:Can you send samples?
A:Of course, we can send samples to all parts of the world, our samples are free, but customers need to bear the courier costs.
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