1730 Steel

1730 Steel

Steel name: 1730
Diagram No.: 2284
EN designation: C45U
DIN designation: C45U
AISI/SAE designation: SAE 1045
BS designation: C45E
Chemical composition in weight %: 0.45% C, 0.35% Si, 0.70% Mn, 0.020% P, 0.005% S
Steel group: Unalloyed tool steels
Properties: Unalloyed tool steel with good machinability and weldability, and high toughness. For surface hardening, the outer layer can be hardened up to 57 HRC.
Applications: Normalised: In mould-making and tool-making for built-on parts, base plates, tool frames with low stress, and for blow moulds. Hardened: for blanking dies after stelliting.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: Temperature: 840 °C. Duration: 30 seconds per mm wall thickness.
Tempering: Temperature: See tempering curve. Duration: 1 hour per 25 mm wall thickness. Cooling: Air.
Diagram note: Average values on samples dia. 25 x 50 mm long, hardened at 840 °C in oil, HB converted from HRC.

Tempering Diagram

Price: 20.00 US $
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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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