1055 mod. Steel

1055 mod. Steel

Steel name: 1055 mod.
Diagram No.: 428
EN designation: C55E mod.
Mat.No. (Wr.Nr.) designation: 1.1203 mod.
AISI/SAE designation: 1055 mod.
Chemical composition in weight %: 0.52-0.60% C, <0.40% Si, 0.60-0.90% Mn, <0.025% P, <0.010% S
Steel group: Unalloyed carbon tool steel
Properties: 1055 is an unalloyed carbon tool steel for the construction of plastic mold assemblies. 1055 is designed for holderblock applications requiring extensive machining and high dimensional stability as mold assemblies, ejector plates, supports, clamping plates and housings for diecasting dies.
Applications: No data
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 79-820^oC/water
Tempering: See the diagram
Diagram note: Specimen size: dia 25 mm x 50 mm, hardened at 800^oC/water, tempering time: 1h, air cooling.

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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