KeyLos 7225 Steel

KeyLos 7225 Steel

Steel name: KeyLos 7225
Diagram No.: 2587
Mat.No. (Wr.Nr.) designation: 1.7225
DIN designation: 42CrMo4
AFNOR designation: 42CrMo4
UNI designation: 42CrMo4
Chemical composition in weight %: 0.38-0.45% C, 0.20-0.50% Si, 0.60-0.90% Mn, 0.90-1.20% Cr, 0.20-0.30% Mo
Steel group: Plastic mould steels
Properties: KeyLos 7225 is a Chromium Molybdenum alloyed basic pre-hardened steel intended for dies of small size, up to 500 mm, bolsters or for mechanical components where short manufacturing time and low tooling cost are necessary.
Applications: Plastics moulding.
Reference: Not shown in this demo version.

Heat Treatment
Hardening: 880°C, polymerl or water quench.
Tempering: See the diagram.
Diagram note: Tempering curve obtained on a test piece austenitised at 880 °C. After tempering it may be useful to carry out a stress relieving cycle at 50 °C less.

Tempering Diagram

Price: 20.00 US $
Buy Online Tempering Diagram

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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