Ferro-Titanit S Steel

Ferro-Titanit S Steel

Steel name: Ferro-Titanit S
Diagram No.: 2341
Chemical composition in weight %: Carbide phase: 32% TiC, binder pahse: 0.5% C, 19.5% Cr, 2% Mo, Fe is balance.
Steel group: PM tool steels
Properties: Because of its high chromium and reduced carbon content, this grade is recommended in cases requiring properties elevated corrosion resistance.
Applications: For parts requiring a high resistance to corrosion as well as to wear, e.g. pumps, measuring tools, thrust disks, bearings, etc.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 1080 C, vacuum, quenching: 1 bar N2. Heating to hardening temperature is advisably performed over several preheating stages (e.g. 400 °C, 600 °C, 800 °C) in order to ensure uniform soaking of the parts that are to be hardened and to avoid any cracking induced by thermal stress. The selected soaking time at hardening temperature must be longer than for steel tools (roughly twice to three times). Because of the rigid titanium carbide skeleton, deleterious grain growth as found in tool steel and high-speed steel cannot occur during the heat treatment. It is hence possible to accept slightly higher hardening temperatures and longer soaking times rather than insufficient hardening.
Tempering: 180 C.
Diagram note: No tempering temperature other than the one indicated should be selected, as the strong, negative influence on the resistance to wear and pick-up does not justify the minor benefit of toughness improvement.

Tempering Diagram

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Other Steel Data links
Carbides in Steel
CCT and TTT Diagrams of Steels
CCT and TTT Diagram Calculating Service
Hardenability Diagrams of Steels
Hardenability Calculating Service
Macro Defects in Steel
Metal Etchants
Non-Metallic Inclusions in Steel
Semiconductor Etchants

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